-# Sample Configuration file for Privoxy
-#
-# $Id: config,v 1.37 2002/04/27 21:05:27 hal9 Exp $
-#
-###################################################################
-# #
-# Table of Contents #
-# #
-# I. INTRODUCTION #
-# II. FORMAT OF THE CONFIGURATION FILE #
-# #
-# 1. CONFIGURATION AND LOG FILE LOCATIONS #
-# 2. LOCAL SET-UP DOCUMENTATION #
-# 3. DEBUGGING #
-# 4. ACCESS CONTROL AND SECURITY #
-# 5. FORWARDING #
-# 6. WINDOWS GUI OPTIONS #
-# #
-###################################################################
-
+# Sample Configuration File for Privoxy 3.0.28
+#
+# Copyright (C) 2001-2018 Privoxy Developers https://www.privoxy.org/
+#
+#####################################################################
+# #
+# Table of Contents #
+# #
+# I. INTRODUCTION #
+# II. FORMAT OF THE CONFIGURATION FILE #
+# #
+# 1. LOCAL SET-UP DOCUMENTATION #
+# 2. CONFIGURATION AND LOG FILE LOCATIONS #
+# 3. DEBUGGING #
+# 4. ACCESS CONTROL AND SECURITY #
+# 5. FORWARDING #
+# 6. MISCELLANEOUS #
+# 7. WINDOWS GUI OPTIONS #
+# #
+#####################################################################
+#
+#
# I. INTRODUCTION
-# ===============
+# ===============
+#
+# This file holds Privoxy's main configuration. Privoxy detects
+# configuration changes automatically, so you don't have to restart
+# it unless you want to load a different configuration file.
#
-# This file holds the Privoxy configuration. If you modify this
-# file, you will need to send a couple of requests to the proxy
-# before any changes take effect.
+# The configuration will be reloaded with the first request after
+# the change was done, this request itself will still use the old
+# configuration, though. In other words: it takes two requests
+# before you see the result of your changes. Requests that are
+# dropped due to ACL don't trigger reloads.
+#
+# When starting Privoxy on Unix systems, give the location of this
+# file as last argument. On Windows systems, Privoxy will look for
+# this file with the name 'config.txt' in the current working
+# directory of the Privoxy process.
#
-# When starting Privoxy on Unix systems, give the name of this
-# file as an argument. On Windows systems, Privoxy will look for
-# this file with the name 'config.txt' in the same directory where
-# Privoxy is installed.
#
-
# II. FORMAT OF THE CONFIGURATION FILE
# ====================================
#
-# Configuration lines consist of an initial keyword followed by a list
-# of values, all separated by whitespace (any number of spaces or
-# tabs). For example,
+# Configuration lines consist of an initial keyword followed by a
+# list of values, all separated by whitespace (any number of spaces
+# or tabs). For example,
#
# actionsfile default.action
#
# Indicates that the actionsfile is named 'default.action'.
#
-# The '#' indicates a comment. Any part of a line following a '#' is
+# The '#' indicates a comment. Any part of a line following a '#' is
# ignored, except if the '#' is preceded by a '\'.
#
-# Thus, by placing a # at the start of an existing configuration line,
-# you can make it a comment and it will be treated as if it weren't there.
-# This is called "commenting out" an option and can be useful.
+# Thus, by placing a # at the start of an existing configuration
+# line, you can make it a comment and it will be treated as if it
+# weren't there. This is called "commenting out" an option and can
+# be useful. Removing the # again is called "uncommenting".
#
-# Note that commenting out and option and leaving it at its default
+# Note that commenting out an option and leaving it at its default
# are two completely different things! Most options behave very
-# differently when unset. See the the "Effect if unset" explanation
-# in each option's description for details.
+# differently when unset. See the "Effect if unset" explanation in
+# each option's description for details.
#
-# Long lines can be continued on the next line by using a `\' as
-# the last character.
+# Long lines can be continued on the next line by using a `\' as the
+# last character.
#
-
-# 1. CONFIGURATION AND LOG FILE LOCATIONS
-# =======================================
#
-# Privoxy can (and normally does) use a number of other files for
-# additional configuration and logging. This section of the
-# configuration file tells Privoxy where to find those other files.
+# 1. LOCAL SET-UP DOCUMENTATION
+# ==============================
+#
+# If you intend to operate Privoxy for more users than just
+# yourself, it might be a good idea to let them know how to reach
+# you, what you block and why you do that, your policies, etc.
+#
#
-# The user running Privoxy, must have read permission for all
-# configuration files, and write permission to any files that would
-# be modified, such as log files.
-
# 1.1. user-manual
-# ================
-#
+# =================
+#
# Specifies:
-#
+#
# Location of the Privoxy User Manual.
-#
+#
# Type of value:
-#
+#
# A fully qualified URI
-#
-# Default value:
-#
-# http://www.privoxy.org/user-manual/
-#
-# Effect if unset:
-#
-# The default will be used.
-#
-# Notes:
-#
-# The User Manual is used for help hints from some of the internal
-# CGI pages. It is normally packaged with the binary distributions,
-# and would make more sense to have this pointed at a locally
-# installed copy.
-#
-# A more useful example (Unix):
-#
-# user-manual file:///usr/share/doc/privoxy-2.9.14/user-manual/
-#
-# +-----------------------------------------------------------------+
-# | Warning |
-# |-----------------------------------------------------------------|
-# |If this option is defined, it must come first! It is needed |
-# |before the rest of config is read. |
-# +-----------------------------------------------------------------+
-#
-#
-#user-manual http://www.privoxy.org/user-manual/
-
-# 1.2. confdir
-# ============
-#
-# Specifies:
-#
-# The directory where the other configuration files are located
-#
-# Type of value:
-#
-# Path name
-#
-# Default value:
-#
-# /etc/privoxy (Unix) or Privoxy installation dir (Windows)
-#
-# Effect if unset:
-#
-# Mandatory
-#
-# Notes:
-#
-# No trailing "/", please
-#
-# When development goes modular and multi-user, the blocker,
-# filter, and per-user config will be stored in subdirectories of
-# "confdir". For now, the configuration directory structure is
-# flat, except for confdir/templates, where the HTML templates for
-# CGI output reside (e.g. Privoxy's 404 error page).
-#
-confdir .
-
-
-# 1.3. logdir
-# ===========
-#
-# Specifies:
-#
-# The directory where all logging takes place (i.e. where logfile
-# and jarfile are located)
-#
-# Type of value:
-#
-# Path name
-#
-# Default value:
-#
-# /var/log/privoxy (Unix) or Privoxy installation dir (Windows)
-#
-# Effect if unset:
-#
-# Mandatory
-#
-# Notes:
-#
-# No trailing "/", please
#
-logdir .
-
-
-# 1.4. actionsfile
-# ================
-#
-# Specifies:
-#
-# The actions file to use
-#
-# Type of value:
-#
-# File name, relative to confdir, without the .action (Unix)
-# or .action.txt (Windows) extension.
-#
-# Default values:
-# standard # Internal purpose, recommended
-# default # Main actions file
-# user # User customizations
-#
-# Effect if unset:
-#
-# No action is taken at all. Simple neutral proxying.
-#
-# Notes:
-# Multiple actionsfile lines are OK and are in fact recommended!
-#
-# The default values include standard.action, which is used for
-# internal purposes and should be loaded, default.action, which
-# is the "main" actions file maintained by the developers, and
-# user.action, where you can make your personal additions.
-#
-# There is no point in using Privoxy without an actions file.
-#
-actionsfile standard # Internal purpose, recommended
-actionsfile default # Main actions file
-actionsfile user # User customizations
-
-
-# 1.5. filterfile
-# ===============
-#
-# Specifies:
-#
-# The filter file to use
-#
-# Type of value:
-#
-# File name, relative to confdir
-#
-# Default value:
-#
-# default.filter (Unix) or default.filter.txt (Windows)
-#
-# Effect if unset:
-#
-# No textual content filtering takes place, i.e. all +filter{name}
-# actions in the actions file are turned off
-#
-# Notes:
-#
-# The "default.filter" file contains content modification rules
-# that use "regular expressions". These rules permit powerful
-# changes on the content of Web pages, e.g., you could disable your
-# favorite JavaScript annoyances, re-write the actual displayed
-# text, or just have some fun replacing "Microsoft" with
-# "MicroSuck" wherever it appears on a Web page.
-#
-filterfile default.filter
-
-
-# 1.6. logfile
-# ============
-#
-# Specifies:
-#
-# The log file to use
-#
-# Type of value:
-#
-# File name, relative to logdir
-#
-# Default value:
-#
-# logfile (Unix) or privoxy.log (Windows)
-#
-# Effect if unset:
-#
-# No log file is used, all log messages go to the console
-# (stderr).
-#
-# Notes:
-#
-# The windows version will additionally log to the console.
-#
-# The logfile is where all logging and error messages are written.
-# The level of detail and number of messages are set with the debug
-# option (see below). The logfile can be useful for tracking down a
-# problem with Privoxy (e.g., it's not blocking an ad you think it
-# should block) but in most cases you probably will never look at
-# it.
-#
-# Your logfile will grow indefinitely, and you will probably want
-# to periodically remove it. On Unix systems, you can do this with
-# a cron job (see "man cron"). For Red Hat, a logrotate script has
-# been included.
-#
-# On SuSE Linux systems, you can place a line like
-# "/var/log/privoxy.* +1024k 644 nobody.nogroup" in /etc/logfiles,
-# with the effect that cron.daily will automatically archive, gzip,
-# and empty the log, when it exceeds 1M size.
-#
-# Any log files must be writable by whatever user Privoxy is being
-# run as (default on UNIX, user id is "privoxy").
-#
-logfile logfile
-
-
-# 1.7. jarfile
-# ============
-#
-# Specifies:
-#
-# The file to store intercepted cookies in
-#
-# Type of value:
-#
-# File name, relative to logdir
-#
-# Default value:
-#
-# jarfile (Unix) or privoxy.jar (Windows)
-#
-# Effect if unset:
-#
-# Intercepted cookies are not stored at all.
-#
-# Notes:
-#
-# The jarfile may grow to ridiculous sizes over time.
-#
-jarfile jarfile
-
-
-# 1.8. trustfile
-# ==============
-#
-# Specifies:
-#
-# The trust file to use
-#
-# Type of value:
-#
-# File name, relative to confdir
-#
# Default value:
-#
-# Unset (commented out). When activated: trust (Unix) or trust.txt
-# (Windows)
-#
+#
+# Unset
+#
# Effect if unset:
-#
-# The whole trust mechanism is turned off.
-#
+#
+# https://www.privoxy.org/version/user-manual/ will be used,
+# where version is the Privoxy version.
+#
# Notes:
-#
-# The trust mechanism is an experimental feature for building
-# white-lists and should be used with care. It is NOT recommended
-# for the casual user.
-#
-# If you specify a trust file, Privoxy will only allow access to
-# sites that are named in the trustfile. You can also mark sites as
-# trusted referrers (with +), with the effect that access to
-# untrusted sites will be granted, if a link from a trusted
-# referrer was used. The link target will then be added to the
-# "trustfile". Possible applications include limiting Internet
-# access for children.
-#
-# If you use + operator in the trust file, it may grow considerably
-# over time.
-#
-#trustfile trust
-
-
-# 2. LOCAL SET-UP DOCUMENTATION
-# =============================
-#
-# If you intend to operate Privoxy for more users that just yourself,
-# it might be a good idea to let them know how to reach you, what you
-# block and why you do that, your policies etc.
-#
-#
-# 2.1. trust-info-url
-# ===================
-#
+#
+# The User Manual URI is the single best source of information
+# on Privoxy, and is used for help links from some of the
+# internal CGI pages. The manual itself is normally packaged
+# with the binary distributions, so you probably want to set
+# this to a locally installed copy.
+#
+# Examples:
+#
+# The best all purpose solution is simply to put the full local
+# PATH to where the User Manual is located:
+#
+# user-manual /usr/share/doc/privoxy/user-manual
+#
+# The User Manual is then available to anyone with access to
+# Privoxy, by following the built-in URL: http://
+# config.privoxy.org/user-manual/ (or the shortcut: http://p.p/
+# user-manual/).
+#
+# If the documentation is not on the local system, it can be
+# accessed from a remote server, as:
+#
+# user-manual http://example.com/privoxy/user-manual/
+#
+# WARNING!!!
+#
+# If set, this option should be the first option in the
+# config file, because it is used while the config file is
+# being read.
+#
+#user-manual https://www.privoxy.org/user-manual/
+#
+# 1.2. trust-info-url
+# ====================
+#
# Specifies:
-#
+#
# A URL to be displayed in the error page that users will see if
# access to an untrusted page is denied.
-#
+#
# Type of value:
-#
+#
# URL
-#
+#
# Default value:
-#
-# Two example URL are provided
-#
+#
+# Unset
+#
# Effect if unset:
-#
+#
# No links are displayed on the "untrusted" error page.
-#
+#
# Notes:
-#
-# The value of this option only matters if the experimental trust
-# mechanism has been activated. (See trustfile above.)
-#
+#
+# The value of this option only matters if the experimental
+# trust mechanism has been activated. (See trustfile below.)
+#
# If you use the trust mechanism, it is a good idea to write up
-# some on-line documentation about your trust policy and to specify
-# the URL(s) here. Use multiple times for multiple URLs.
-#
+# some on-line documentation about your trust policy and to
+# specify the URL(s) here. Use multiple times for multiple URLs.
+#
# The URL(s) should be added to the trustfile as well, so users
# don't end up locked out from the information on why they were
# locked out in the first place!
-#
-trust-info-url http://www.example.com/why_we_block.html
-trust-info-url http://www.example.com/what_we_allow.html
-
-
-# 2.2. admin-address
-# ==================
-#
+#
+#trust-info-url http://www.example.com/why_we_block.html
+#trust-info-url http://www.example.com/what_we_allow.html
+#
+# 1.3. admin-address
+# ===================
+#
# Specifies:
-#
-# An email address to reach the proxy administrator.
-#
+#
+# An email address to reach the Privoxy administrator.
+#
# Type of value:
-#
+#
# Email address
-#
+#
# Default value:
-#
+#
# Unset
-#
+#
# Effect if unset:
-#
+#
# No email address is displayed on error pages and the CGI user
# interface.
-#
+#
# Notes:
-#
-# Highly recommended for multi-user installations.
#
# If both admin-address and proxy-info-url are unset, the whole
# "Local Privoxy Support" box on all generated pages will not be
# shown.
#
#admin-address privoxy-admin@example.com
-
-
-# 2.3. proxy-info-url
-# ===================
-#
+#
+# 1.4. proxy-info-url
+# ====================
+#
# Specifies:
-#
+#
# A URL to documentation about the local Privoxy setup,
# configuration or policies.
-#
+#
# Type of value:
-#
+#
# URL
-#
+#
# Default value:
-#
+#
# Unset
-#
+#
# Effect if unset:
-#
+#
# No link to local documentation is displayed on error pages and
# the CGI user interface.
-#
+#
# Notes:
-#
+#
# If both admin-address and proxy-info-url are unset, the whole
# "Local Privoxy Support" box on all generated pages will not be
# shown.
-#
+#
# This URL shouldn't be blocked ;-)
-#
+#
#proxy-info-url http://www.example.com/proxy-service.html
-
-
-# 3. DEBUGGING
-# ============
-#
-# These options are mainly useful when tracing a problem. Note that you
-# might also want to invoke Privoxy with the --no-daemon command line
-# option when debugging.
-#
-#
-# 3.1. debug
-# ==========
-#
+#
+# 2. CONFIGURATION AND LOG FILE LOCATIONS
+# ========================================
+#
+# Privoxy can (and normally does) use a number of other files for
+# additional configuration, help and logging. This section of the
+# configuration file tells Privoxy where to find those other files.
+#
+# The user running Privoxy, must have read permission for all
+# configuration files, and write permission to any files that would
+# be modified, such as log files and actions files.
+#
+#
+# 2.1. confdir
+# =============
+#
# Specifies:
-#
-# Key values that determine what information gets logged.
-#
+#
+# The directory where the other configuration files are located.
+#
# Type of value:
-#
-# Integer values
-#
+#
+# Path name
+#
# Default value:
-#
-# 12289 (i.e.: URLs plus warnings and errors)
-#
+#
+# /etc/privoxy (Unix) or Privoxy installation dir (Windows)
+#
# Effect if unset:
-#
-# Nothing gets logged.
-#
+#
+# Mandatory
+#
# Notes:
-#
-# The available debug levels are:
-#
-# debug 1 # show each GET/POST/CONNECT request
-# debug 2 # show each connection status
-# debug 4 # show I/O status
-# debug 8 # show header parsing
-# debug 16 # log all data into the logfile
-# debug 32 # debug force feature
-# debug 64 # debug regular expression filter
-# debug 128 # debug fast redirects
-# debug 256 # debug GIF de-animation
-# debug 512 # Common Log Format
-# debug 1024 # debug kill pop-ups
-# debug 4096 # Startup banner and warnings
-# debug 8192 # Non-fatal errors
-#
-#
-# To select multiple debug levels, you can either add them or use
-# multiple debug lines.
-#
-# A debug level of 1 is informative because it will show you each
-# request as it happens. 1, 4096 and 8192 are highly recommended so
-# that you will notice when things go wrong. The other levels are
-# probably only of interest if you are hunting down a specific
-# problem. They can produce a hell of an output (especially 16).
-#
-# The reporting of fatal errors (i.e. ones which crash Privoxy) is
-# always on and cannot be disabled.
-#
-# If you want to use CLF (Common Log Format), you should set "debug
-# 512" ONLY and not enable anything else.
-#
-debug 1 # show each GET/POST/CONNECT request
-debug 4096 # Startup banner and warnings
-debug 8192 # Errors - *we highly recommended enabling this*
-
-
-# 3.2. single-threaded
-# ====================
-#
+#
+# No trailing "/", please.
+#
+confdir .
+#
+# 2.2. templdir
+# ==============
+#
# Specifies:
-#
-# Whether to run only one server thread
-#
+#
+# An alternative directory where the templates are loaded from.
+#
# Type of value:
-#
-# None
-#
+#
+# Path name
+#
# Default value:
-#
-# Unset
-#
+#
+# unset
+#
# Effect if unset:
-#
-# Multi-threaded (or, where unavailable: forked) operation, i.e.
-# the ability to serve multiple requests simultaneously.
-#
+#
+# The templates are assumed to be located in confdir/template.
+#
# Notes:
-#
-# This option is only there for debug purposes and you should never
-# need to use it. It will drastically reduce performance.
-#
-#single-threaded
-
-
-# 4. ACCESS CONTROL AND SECURITY
-# ==============================
-#
-# This section of the config file controls the security-relevant
-# aspects of Privoxy's configuration.
-#
-#
-# 4.1. listen-address
-# ===================
-#
+#
+# Privoxy's original templates are usually overwritten with each
+# update. Use this option to relocate customized templates that
+# should be kept. As template variables might change between
+# updates, you shouldn't expect templates to work with Privoxy
+# releases other than the one they were part of, though.
+#
+#templdir .
+#
+# 2.3. temporary-directory
+# =========================
+#
# Specifies:
-#
-# The IP address and TCP port on which Privoxy will listen for
-# client requests.
-#
+#
+# A directory where Privoxy can create temporary files.
+#
# Type of value:
-#
-# [IP-Address]:Port
-#
+#
+# Path name
+#
# Default value:
-#
-# localhost:8118
-#
+#
+# unset
+#
# Effect if unset:
-#
-# Bind to localhost (127.0.0.1), port 8118. This is suitable and
-# recommended for home users who run Privoxy on the same machine as
-# their browser.
-#
+#
+# No temporary files are created, external filters don't work.
+#
# Notes:
-#
-# You will need to configure your browser(s) to this proxy address
-# and port.
-#
-# If you already have another service running on port 8118, or if
-# you want to serve requests from other machines (e.g. on your
-# local network) as well, you will need to override the default.
-#
-# If you leave out the IP address, Privoxy will bind to all
-# interfaces (addresses) on your machine and may become reachable
-# from the Internet. In that case, consider using access control
-# lists (acl's) (see "ACLs" below), or a firewall.
-#
-# Example:
-#
-# Suppose you are running Privoxy on a machine which has the
-# address 192.168.0.1 on your local private network (192.168.0.0)
-# and has another outside connection with a different address. You
-# want it to serve requests from inside only:
-#
-# listen-address 192.168.0.1:8118
-#
-listen-address 127.0.0.1:8118
-
-
-# 4.2. toggle
-# ===========
-#
+#
+# To execute external filters, Privoxy has to create temporary
+# files. This directive specifies the directory the temporary
+# files should be written to.
+#
+# It should be a directory only Privoxy (and trusted users) can
+# access.
+#
+#temporary-directory .
+#
+# 2.4. logdir
+# ============
+#
# Specifies:
-#
-# Initial state of "toggle" status
-#
+#
+# The directory where all logging takes place (i.e. where the
+# logfile is located).
+#
# Type of value:
-#
-# 1 or 0
-#
+#
+# Path name
+#
# Default value:
-#
-# 1
-#
+#
+# /var/log/privoxy (Unix) or Privoxy installation dir (Windows)
+#
# Effect if unset:
-#
-# Act as if toggled on
-#
+#
+# Mandatory
+#
# Notes:
-#
-# If set to 0, Privoxy will start in "toggled off" mode, i.e.
-# behave like a normal, content-neutral proxy. See
-# enable-remote-toggle below. This is not really useful anymore,
-# since toggling is much easier via the web interface then via
-# editing the conf file.
-#
-# The windows version will only display the toggle icon in the
-# system tray if this option is present.
-#
-#
-toggle 1
-
-
-# 4.3. enable-remote-toggle
-# =========================
-#
+#
+# No trailing "/", please.
+#
+logdir .
+#
+# 2.5. actionsfile
+# =================
+#
# Specifies:
-#
-# Whether or not the web-based toggle feature may be used
-#
+#
+# The actions file(s) to use
+#
# Type of value:
-#
-# 0 or 1
-#
-# Default value:
-#
-# 1
-#
+#
+# Complete file name, relative to confdir
+#
+# Default values:
+#
+# match-all.action # Actions that are applied to all sites and maybe overruled later on.
+#
+# default.action # Main actions file
+#
+# user.action # User customizations
+#
# Effect if unset:
-#
-# The web-based toggle feature is disabled.
-#
+#
+# No actions are taken at all. More or less neutral proxying.
+#
+# Notes:
+#
+# Multiple actionsfile lines are permitted, and are in fact
+# recommended!
+#
+# The default values are default.action, which is the "main"
+# actions file maintained by the developers, and user.action,
+# where you can make your personal additions.
+#
+# Actions files contain all the per site and per URL
+# configuration for ad blocking, cookie management, privacy
+# considerations, etc.
+#
+actionsfile match-all.action # Actions that are applied to all sites and maybe overruled later on.
+actionsfile default.action # Main actions file
+actionsfile user.action # User customizations
+#
+# 2.6. filterfile
+# ================
+#
+# Specifies:
+#
+# The filter file(s) to use
+#
+# Type of value:
+#
+# File name, relative to confdir
+#
+# Default value:
+#
+# default.filter (Unix) or default.filter.txt (Windows)
+#
+# Effect if unset:
+#
+# No textual content filtering takes place, i.e. all +filter{name}
+# actions in the actions files are turned neutral.
+#
+# Notes:
+#
+# Multiple filterfile lines are permitted.
+#
+# The filter files contain content modification rules that use
+# regular expressions. These rules permit powerful changes on
+# the content of Web pages, and optionally the headers as well,
+# e.g., you could try to disable your favorite JavaScript
+# annoyances, re-write the actual displayed text, or just have
+# some fun playing buzzword bingo with web pages.
+#
+# The +filter{name} actions rely on the relevant filter (name)
+# to be defined in a filter file!
+#
+# A pre-defined filter file called default.filter that contains
+# a number of useful filters for common problems is included in
+# the distribution. See the section on the filter action for a
+# list.
+#
+# It is recommended to place any locally adapted filters into a
+# separate file, such as user.filter.
+#
+filterfile default.filter
+filterfile user.filter # User customizations
+#
+# 2.7. logfile
+# =============
+#
+# Specifies:
+#
+# The log file to use
+#
+# Type of value:
+#
+# File name, relative to logdir
+#
+# Default value:
+#
+# Unset (commented out). When activated: logfile (Unix) or
+# privoxy.log (Windows).
+#
+# Effect if unset:
+#
+# No logfile is written.
+#
+# Notes:
+#
+# The logfile is where all logging and error messages are
+# written. The level of detail and number of messages are set
+# with the debug option (see below). The logfile can be useful
+# for tracking down a problem with Privoxy (e.g., it's not
+# blocking an ad you think it should block) and it can help you
+# to monitor what your browser is doing.
+#
+# Depending on the debug options below, the logfile may be a
+# privacy risk if third parties can get access to it. As most
+# users will never look at it, Privoxy only logs fatal errors by
+# default.
+#
+# For most troubleshooting purposes, you will have to change
+# that, please refer to the debugging section for details.
+#
+# Any log files must be writable by whatever user Privoxy is
+# being run as (on Unix, default user id is "privoxy").
+#
+# To prevent the logfile from growing indefinitely, it is
+# recommended to periodically rotate or shorten it. Many
+# operating systems support log rotation out of the box, some
+# require additional software to do it. For details, please
+# refer to the documentation for your operating system.
+#
+logfile logfile
+#
+# 2.8. trustfile
+# ===============
+#
+# Specifies:
+#
+# The name of the trust file to use
+#
+# Type of value:
+#
+# File name, relative to confdir
+#
+# Default value:
+#
+# Unset (commented out). When activated: trust (Unix) or
+# trust.txt (Windows)
+#
+# Effect if unset:
+#
+# The entire trust mechanism is disabled.
+#
+# Notes:
+#
+# The trust mechanism is an experimental feature for building
+# white-lists and should be used with care. It is NOT
+# recommended for the casual user.
+#
+# If you specify a trust file, Privoxy will only allow access to
+# sites that are specified in the trustfile. Sites can be listed
+# in one of two ways:
+#
+# Prepending a ~ character limits access to this site only (and
+# any sub-paths within this site), e.g. ~www.example.com allows
+# access to ~www.example.com/features/news.html, etc.
+#
+# Or, you can designate sites as trusted referrers, by
+# prepending the name with a + character. The effect is that
+# access to untrusted sites will be granted -- but only if a
+# link from this trusted referrer was used to get there. The
+# link target will then be added to the "trustfile" so that
+# future, direct accesses will be granted. Sites added via this
+# mechanism do not become trusted referrers themselves (i.e.
+# they are added with a ~ designation). There is a limit of 512
+# such entries, after which new entries will not be made.
+#
+# If you use the + operator in the trust file, it may grow
+# considerably over time.
+#
+# It is recommended that Privoxy be compiled with the
+# --disable-force, --disable-toggle and --disable-editor
+# options, if this feature is to be used.
+#
+# Possible applications include limiting Internet access for
+# children.
+#
+#trustfile trust
+#
+# 3. DEBUGGING
+# =============
+#
+# These options are mainly useful when tracing a problem. Note that
+# you might also want to invoke Privoxy with the --no-daemon command
+# line option when debugging.
+#
+#
+# 3.1. debug
+# ===========
+#
+# Specifies:
+#
+# Key values that determine what information gets logged.
+#
+# Type of value:
+#
+# Integer values
+#
+# Default value:
+#
+# 0 (i.e.: only fatal errors (that cause Privoxy to exit) are
+# logged)
+#
+# Effect if unset:
+#
+# Default value is used (see above).
+#
+# Notes:
+#
+# The available debug levels are:
+#
+# debug 1 # Log the destination for each request Privoxy let through. See also debug 1024.
+# debug 2 # show each connection status
+# debug 4 # show I/O status
+# debug 8 # show header parsing
+# debug 16 # log all data written to the network
+# debug 32 # debug force feature
+# debug 64 # debug regular expression filters
+# debug 128 # debug redirects
+# debug 256 # debug GIF de-animation
+# debug 512 # Common Log Format
+# debug 1024 # Log the destination for requests Privoxy didn't let through, and the reason why.
+# debug 2048 # CGI user interface
+# debug 4096 # Startup banner and warnings.
+# debug 8192 # Non-fatal errors
+# debug 32768 # log all data read from the network
+# debug 65536 # Log the applying actions
+#
+# To select multiple debug levels, you can either add them or
+# use multiple debug lines.
+#
+# A debug level of 1 is informative because it will show you
+# each request as it happens. 1, 1024, 4096 and 8192 are
+# recommended so that you will notice when things go wrong. The
+# other levels are probably only of interest if you are hunting
+# down a specific problem. They can produce a hell of an output
+# (especially 16).
+#
+# If you are used to the more verbose settings, simply enable
+# the debug lines below again.
+#
+# If you want to use pure CLF (Common Log Format), you should
+# set "debug 512" ONLY and not enable anything else.
+#
+# Privoxy has a hard-coded limit for the length of log messages.
+# If it's reached, messages are logged truncated and marked with
+# "... [too long, truncated]".
+#
+# Please don't file any support requests without trying to
+# reproduce the problem with increased debug level first. Once
+# you read the log messages, you may even be able to solve the
+# problem on your own.
+#
+#debug 1 # Log the destination for each request Privoxy let through. See also debug 1024.
+#debug 1024 # Log the destination for requests Privoxy didn't let through, and the reason why.
+#debug 4096 # Startup banner and warnings
+#debug 8192 # Non-fatal errors
+#
+# 3.2. single-threaded
+# =====================
+#
+# Specifies:
+#
+# Whether to run only one server thread.
+#
+# Type of value:
+#
+# 1 or 0
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# Multi-threaded (or, where unavailable: forked) operation, i.e.
+# the ability to serve multiple requests simultaneously.
+#
+# Notes:
+#
+# This option is only there for debugging purposes. It will
+# drastically reduce performance.
+#
+#single-threaded 1
+#
+# 3.3. hostname
+# ==============
+#
+# Specifies:
+#
+# The hostname shown on the CGI pages.
+#
+# Type of value:
+#
+# Text
+#
+# Default value:
+#
+# Unset
+#
+# Effect if unset:
+#
+# The hostname provided by the operating system is used.
+#
+# Notes:
+#
+# On some misconfigured systems resolving the hostname fails or
+# takes too much time and slows Privoxy down. Setting a fixed
+# hostname works around the problem.
+#
+# In other circumstances it might be desirable to show a
+# hostname other than the one returned by the operating system.
+# For example if the system has several different hostnames and
+# you don't want to use the first one.
+#
+# Note that Privoxy does not validate the specified hostname
+# value.
+#
+#hostname hostname.example.org
+#
+# 4. ACCESS CONTROL AND SECURITY
+# ===============================
+#
+# This section of the config file controls the security-relevant
+# aspects of Privoxy's configuration.
+#
+#
+# 4.1. listen-address
+# ====================
+#
+# Specifies:
+#
+# The address and TCP port on which Privoxy will listen for
+# client requests.
+#
+# Type of value:
+#
+# [IP-Address]:Port
+#
+# [Hostname]:Port
+#
+# Default value:
+#
+# 127.0.0.1:8118
+#
+# Effect if unset:
+#
+# Bind to 127.0.0.1 (IPv4 localhost), port 8118. This is
+# suitable and recommended for home users who run Privoxy on the
+# same machine as their browser.
+#
+# Notes:
+#
+# You will need to configure your browser(s) to this proxy
+# address and port.
+#
+# If you already have another service running on port 8118, or
+# if you want to serve requests from other machines (e.g. on
+# your local network) as well, you will need to override the
+# default.
+#
+# You can use this statement multiple times to make Privoxy
+# listen on more ports or more IP addresses. Suitable if your
+# operating system does not support sharing IPv6 and IPv4
+# protocols on the same socket.
+#
+# If a hostname is used instead of an IP address, Privoxy will
+# try to resolve it to an IP address and if there are multiple,
+# use the first one returned.
+#
+# If the address for the hostname isn't already known on the
+# system (for example because it's in /etc/hostname), this may
+# result in DNS traffic.
+#
+# If the specified address isn't available on the system, or if
+# the hostname can't be resolved, Privoxy will fail to start.
+#
+# IPv6 addresses containing colons have to be quoted by
+# brackets. They can only be used if Privoxy has been compiled
+# with IPv6 support. If you aren't sure if your version supports
+# it, have a look at http://config.privoxy.org/show-status.
+#
+# Some operating systems will prefer IPv6 to IPv4 addresses even
+# if the system has no IPv6 connectivity which is usually not
+# expected by the user. Some even rely on DNS to resolve
+# localhost which mean the "localhost" address used may not
+# actually be local.
+#
+# It is therefore recommended to explicitly configure the
+# intended IP address instead of relying on the operating
+# system, unless there's a strong reason not to.
+#
+# If you leave out the address, Privoxy will bind to all IPv4
+# interfaces (addresses) on your machine and may become
+# reachable from the Internet and/or the local network. Be aware
+# that some GNU/Linux distributions modify that behaviour
+# without updating the documentation. Check for non-standard
+# patches if your Privoxy version behaves differently.
+#
+# If you configure Privoxy to be reachable from the network,
+# consider using access control lists (ACL's, see below), and/or
+# a firewall.
+#
+# If you open Privoxy to untrusted users, you will also want to
+# make sure that the following actions are disabled:
+# enable-edit-actions and enable-remote-toggle
+#
+# Example:
+#
+# Suppose you are running Privoxy on a machine which has the
+# address 192.168.0.1 on your local private network
+# (192.168.0.0) and has another outside connection with a
+# different address. You want it to serve requests from inside
+# only:
+#
+# listen-address 192.168.0.1:8118
+#
+# Suppose you are running Privoxy on an IPv6-capable machine and
+# you want it to listen on the IPv6 address of the loopback
+# device:
+#
+# listen-address [::1]:8118
+#
+listen-address 127.0.0.1:8118
+#
+# 4.2. toggle
+# ============
+#
+# Specifies:
+#
+# Initial state of "toggle" status
+#
+# Type of value:
+#
+# 1 or 0
+#
+# Default value:
+#
+# 1
+#
+# Effect if unset:
+#
+# Act as if toggled on
+#
+# Notes:
+#
+# If set to 0, Privoxy will start in "toggled off" mode, i.e.
+# mostly behave like a normal, content-neutral proxy with both
+# ad blocking and content filtering disabled. See
+# enable-remote-toggle below.
+#
+toggle 1
+#
+# 4.3. enable-remote-toggle
+# ==========================
+#
+# Specifies:
+#
+# Whether or not the web-based toggle feature may be used
+#
+# Type of value:
+#
+# 0 or 1
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# The web-based toggle feature is disabled.
+#
+# Notes:
+#
+# When toggled off, Privoxy mostly acts like a normal,
+# content-neutral proxy, i.e. doesn't block ads or filter
+# content.
+#
+# Access to the toggle feature can not be controlled separately
+# by "ACLs" or HTTP authentication, so that everybody who can
+# access Privoxy (see "ACLs" and listen-address above) can
+# toggle it for all users. So this option is not recommended for
+# multi-user environments with untrusted users.
+#
+# Note that malicious client side code (e.g Java) is also
+# capable of using this option.
+#
+# As a lot of Privoxy users don't read documentation, this
+# feature is disabled by default.
+#
+# Note that you must have compiled Privoxy with support for this
+# feature, otherwise this option has no effect.
+#
+enable-remote-toggle 0
+#
+# 4.4. enable-remote-http-toggle
+# ===============================
+#
+# Specifies:
+#
+# Whether or not Privoxy recognizes special HTTP headers to
+# change its behaviour.
+#
+# Type of value:
+#
+# 0 or 1
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# Privoxy ignores special HTTP headers.
+#
+# Notes:
+#
+# When toggled on, the client can change Privoxy's behaviour by
+# setting special HTTP headers. Currently the only supported
+# special header is "X-Filter: No", to disable filtering for the
+# ongoing request, even if it is enabled in one of the action
+# files.
+#
+# This feature is disabled by default. If you are using Privoxy
+# in a environment with trusted clients, you may enable this
+# feature at your discretion. Note that malicious client side
+# code (e.g Java) is also capable of using this feature.
+#
+# This option will be removed in future releases as it has been
+# obsoleted by the more general header taggers.
+#
+enable-remote-http-toggle 0
+#
+# 4.5. enable-edit-actions
+# =========================
+#
+# Specifies:
+#
+# Whether or not the web-based actions file editor may be used
+#
+# Type of value:
+#
+# 0 or 1
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# The web-based actions file editor is disabled.
+#
+# Notes:
+#
+# Access to the editor can not be controlled separately by
+# "ACLs" or HTTP authentication, so that everybody who can
+# access Privoxy (see "ACLs" and listen-address above) can
+# modify its configuration for all users.
+#
+# This option is not recommended for environments with untrusted
+# users and as a lot of Privoxy users don't read documentation,
+# this feature is disabled by default.
+#
+# Note that malicious client side code (e.g Java) is also
+# capable of using the actions editor and you shouldn't enable
+# this options unless you understand the consequences and are
+# sure your browser is configured correctly.
+#
+# Note that you must have compiled Privoxy with support for this
+# feature, otherwise this option has no effect.
+#
+enable-edit-actions 0
+#
+# 4.6. enforce-blocks
+# ====================
+#
+# Specifies:
+#
+# Whether the user is allowed to ignore blocks and can "go there
+# anyway".
+#
+# Type of value:
+#
+# 0 or 1
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# Blocks are not enforced.
+#
+# Notes:
+#
+# Privoxy is mainly used to block and filter requests as a
+# service to the user, for example to block ads and other junk
+# that clogs the pipes. Privoxy's configuration isn't perfect
+# and sometimes innocent pages are blocked. In this situation it
+# makes sense to allow the user to enforce the request and have
+# Privoxy ignore the block.
+#
+# In the default configuration Privoxy's "Blocked" page contains
+# a "go there anyway" link to adds a special string (the force
+# prefix) to the request URL. If that link is used, Privoxy will
+# detect the force prefix, remove it again and let the request
+# pass.
+#
+# Of course Privoxy can also be used to enforce a network
+# policy. In that case the user obviously should not be able to
+# bypass any blocks, and that's what the "enforce-blocks" option
+# is for. If it's enabled, Privoxy hides the "go there anyway"
+# link. If the user adds the force prefix by hand, it will not
+# be accepted and the circumvention attempt is logged.
+#
+# Examples:
+#
+# enforce-blocks 1
+#
+enforce-blocks 0
+#
+# 4.7. ACLs: permit-access and deny-access
+# =========================================
+#
+# Specifies:
+#
+# Who can access what.
+#
+# Type of value:
+#
+# src_addr[:port][/src_masklen] [dst_addr[:port][/dst_masklen]]
+#
+# Where src_addr and dst_addr are IPv4 addresses in dotted
+# decimal notation or valid DNS names, port is a port number,
+# and src_masklen and dst_masklen are subnet masks in CIDR
+# notation, i.e. integer values from 2 to 30 representing the
+# length (in bits) of the network address. The masks and the
+# whole destination part are optional.
+#
+# If your system implements RFC 3493, then src_addr and dst_addr
+# can be IPv6 addresses delimeted by brackets, port can be a
+# number or a service name, and src_masklen and dst_masklen can
+# be a number from 0 to 128.
+#
+# Default value:
+#
+# Unset
+#
+# If no port is specified, any port will match. If no
+# src_masklen or src_masklen is given, the complete IP address
+# has to match (i.e. 32 bits for IPv4 and 128 bits for IPv6).
+#
+# Effect if unset:
+#
+# Don't restrict access further than implied by listen-address
+#
+# Notes:
+#
+# Access controls are included at the request of ISPs and
+# systems administrators, and are not usually needed by
+# individual users. For a typical home user, it will normally
+# suffice to ensure that Privoxy only listens on the localhost
+# (127.0.0.1) or internal (home) network address by means of the
+# listen-address option.
+#
+# Please see the warnings in the FAQ that Privoxy is not
+# intended to be a substitute for a firewall or to encourage
+# anyone to defer addressing basic security weaknesses.
+#
+# Multiple ACL lines are OK. If any ACLs are specified, Privoxy
+# only talks to IP addresses that match at least one
+# permit-access line and don't match any subsequent deny-access
+# line. In other words, the last match wins, with the default
+# being deny-access.
+#
+# If Privoxy is using a forwarder (see forward below) for a
+# particular destination URL, the dst_addr that is examined is
+# the address of the forwarder and NOT the address of the
+# ultimate target. This is necessary because it may be
+# impossible for the local Privoxy to determine the IP address
+# of the ultimate target (that's often what gateways are used
+# for).
+#
+# You should prefer using IP addresses over DNS names, because
+# the address lookups take time. All DNS names must resolve! You
+# can not use domain patterns like "*.org" or partial domain
+# names. If a DNS name resolves to multiple IP addresses, only
+# the first one is used.
+#
+# Some systems allow IPv4 clients to connect to IPv6 server
+# sockets. Then the client's IPv4 address will be translated by
+# the system into IPv6 address space with special prefix
+# ::ffff:0:0/96 (so called IPv4 mapped IPv6 address). Privoxy
+# can handle it and maps such ACL addresses automatically.
+#
+# Denying access to particular sites by ACL may have undesired
+# side effects if the site in question is hosted on a machine
+# which also hosts other sites (most sites are).
+#
+# Examples:
+#
+# Explicitly define the default behavior if no ACL and
+# listen-address are set: "localhost" is OK. The absence of a
+# dst_addr implies that all destination addresses are OK:
+#
+# permit-access localhost
+#
+# Allow any host on the same class C subnet as www.privoxy.org
+# access to nothing but www.example.com (or other domains hosted
+# on the same system):
+#
+# permit-access www.privoxy.org/24 www.example.com/32
+#
+# Allow access from any host on the 26-bit subnet 192.168.45.64
+# to anywhere, with the exception that 192.168.45.73 may not
+# access the IP address behind www.dirty-stuff.example.com:
+#
+# permit-access 192.168.45.64/26
+# deny-access 192.168.45.73 www.dirty-stuff.example.com
+#
+# Allow access from the IPv4 network 192.0.2.0/24 even if
+# listening on an IPv6 wild card address (not supported on all
+# platforms):
+#
+# permit-access 192.0.2.0/24
+#
+# This is equivalent to the following line even if listening on
+# an IPv4 address (not supported on all platforms):
+#
+# permit-access [::ffff:192.0.2.0]/120
+#
+#
+# 4.8. buffer-limit
+# ==================
+#
+# Specifies:
+#
+# Maximum size of the buffer for content filtering.
+#
+# Type of value:
+#
+# Size in Kbytes
+#
+# Default value:
+#
+# 4096
+#
+# Effect if unset:
+#
+# Use a 4MB (4096 KB) limit.
+#
+# Notes:
+#
+# For content filtering, i.e. the +filter and +deanimate-gif
+# actions, it is necessary that Privoxy buffers the entire
+# document body. This can be potentially dangerous, since a
+# server could just keep sending data indefinitely and wait for
+# your RAM to exhaust -- with nasty consequences. Hence this
+# option.
+#
+# When a document buffer size reaches the buffer-limit, it is
+# flushed to the client unfiltered and no further attempt to
+# filter the rest of the document is made. Remember that there
+# may be multiple threads running, which might require up to
+# buffer-limit Kbytes each, unless you have enabled
+# "single-threaded" above.
+#
+buffer-limit 4096
+#
+# 4.9. enable-proxy-authentication-forwarding
+# ============================================
+#
+# Specifies:
+#
+# Whether or not proxy authentication through Privoxy should
+# work.
+#
+# Type of value:
+#
+# 0 or 1
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# Proxy authentication headers are removed.
+#
+# Notes:
+#
+# Privoxy itself does not support proxy authentication, but can
+# allow clients to authenticate against Privoxy's parent proxy.
+#
+# By default Privoxy (3.0.21 and later) don't do that and remove
+# Proxy-Authorization headers in requests and Proxy-Authenticate
+# headers in responses to make it harder for malicious sites to
+# trick inexperienced users into providing login information.
+#
+# If this option is enabled the headers are forwarded.
+#
+# Enabling this option is not recommended if there is no parent
+# proxy that requires authentication or if the local network
+# between Privoxy and the parent proxy isn't trustworthy. If
+# proxy authentication is only required for some requests, it is
+# recommended to use a client header filter to remove the
+# authentication headers for requests where they aren't needed.
+#
+enable-proxy-authentication-forwarding 0
+#
+# 4.10. trusted-cgi-referer
+# ==========================
+#
+# Specifies:
+#
+# A trusted website or webpage whose links can be followed to
+# reach sensitive CGI pages
+#
+# Type of value:
+#
+# URL or URL prefix
+#
+# Default value:
+#
+# Unset
+#
+# Effect if unset:
+#
+# No external pages are considered trusted referers.
+#
+# Notes:
+#
+# Before Privoxy accepts configuration changes through CGI pages
+# like client-tags or the remote toggle, it checks the Referer
+# header to see if the request comes from a trusted source.
+#
+# By default only the webinterface domains config.privoxy.org
+# and p.p are considered trustworthy. Requests originating from
+# other domains are rejected to prevent third-parties from
+# modifiying Privoxy's state by e.g. embedding images that
+# result in CGI requests.
+#
+# In some environments it may be desirable to embed links to CGI
+# pages on external pages, for example on an Intranet homepage
+# the Privoxy admin controls.
+#
+# The "trusted-cgi-referer" option can be used to add that page,
+# or the whole domain, as trusted source so the resulting
+# requests aren't rejected. Requests are accepted if the
+# specified trusted-cgi-refer is the prefix of the Referer.
+#
+# +-----------------------------------------------------+
+# | Warning |
+# |-----------------------------------------------------|
+# |Declaring pages the admin doesn't control trustworthy|
+# |may allow malicious third parties to modify Privoxy's|
+# |internal state against the user's wishes and without |
+# |the user's knowledge. |
+# +-----------------------------------------------------+
+#
+#trusted-cgi-referer http://www.example.org/
+#
+#
+# 5. FORWARDING
+# ==============
+#
+# This feature allows routing of HTTP requests through a chain of
+# multiple proxies.
+#
+# Forwarding can be used to chain Privoxy with a caching proxy to
+# speed up browsing. Using a parent proxy may also be necessary if
+# the machine that Privoxy runs on has no direct Internet access.
+#
+# Note that parent proxies can severely decrease your privacy level.
+# For example a parent proxy could add your IP address to the
+# request headers and if it's a caching proxy it may add the "Etag"
+# header to revalidation requests again, even though you configured
+# Privoxy to remove it. It may also ignore Privoxy's header time
+# randomization and use the original values which could be used by
+# the server as cookie replacement to track your steps between
+# visits.
+#
+# Also specified here are SOCKS proxies. Privoxy supports the SOCKS
+# 4 and SOCKS 4A protocols.
+#
+#
+# 5.1. forward
+# =============
+#
+# Specifies:
+#
+# To which parent HTTP proxy specific requests should be routed.
+#
+# Type of value:
+#
+# target_pattern http_parent[:port]
+#
+# where target_pattern is a URL pattern that specifies to which
+# requests (i.e. URLs) this forward rule shall apply. Use / to
+# denote "all URLs". http_parent[:port] is the DNS name or IP
+# address of the parent HTTP proxy through which the requests
+# should be forwarded, optionally followed by its listening port
+# (default: 8000). Use a single dot (.) to denote "no
+# forwarding".
+#
+# Default value:
+#
+# Unset
+#
+# Effect if unset:
+#
+# Don't use parent HTTP proxies.
+#
+# Notes:
+#
+# If http_parent is ".", then requests are not forwarded to
+# another HTTP proxy but are made directly to the web servers.
+#
+# http_parent can be a numerical IPv6 address (if RFC 3493 is
+# implemented). To prevent clashes with the port delimiter, the
+# whole IP address has to be put into brackets. On the other
+# hand a target_pattern containing an IPv6 address has to be put
+# into angle brackets (normal brackets are reserved for regular
+# expressions already).
+#
+# Multiple lines are OK, they are checked in sequence, and the
+# last match wins.
+#
+# Examples:
+#
+# Everything goes to an example parent proxy, except SSL on port
+# 443 (which it doesn't handle):
+#
+# forward / parent-proxy.example.org:8080
+# forward :443 .
+#
+# Everything goes to our example ISP's caching proxy, except for
+# requests to that ISP's sites:
+#
+# forward / caching-proxy.isp.example.net:8000
+# forward .isp.example.net .
+#
+# Parent proxy specified by an IPv6 address:
+#
+# forward / [2001:DB8::1]:8000
+#
+# Suppose your parent proxy doesn't support IPv6:
+#
+# forward / parent-proxy.example.org:8000
+# forward ipv6-server.example.org .
+# forward <[2-3][0-9a-f][0-9a-f][0-9a-f]:*> .
+#
+#
+# 5.2. forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
+# =========================================================================
+#
+# Specifies:
+#
+# Through which SOCKS proxy (and optionally to which parent HTTP
+# proxy) specific requests should be routed.
+#
+# Type of value:
+#
+# target_pattern socks_proxy[:port] http_parent[:port]
+#
+# where target_pattern is a URL pattern that specifies to which
+# requests (i.e. URLs) this forward rule shall apply. Use / to
+# denote "all URLs". http_parent and socks_proxy are IP
+# addresses in dotted decimal notation or valid DNS names (
+# http_parent may be "." to denote "no HTTP forwarding"), and
+# the optional port parameters are TCP ports, i.e. integer
+# values from 1 to 65535
+#
+# Default value:
+#
+# Unset
+#
+# Effect if unset:
+#
+# Don't use SOCKS proxies.
+#
+# Notes:
+#
+# Multiple lines are OK, they are checked in sequence, and the
+# last match wins.
+#
+# The difference between forward-socks4 and forward-socks4a is
+# that in the SOCKS 4A protocol, the DNS resolution of the
+# target hostname happens on the SOCKS server, while in SOCKS 4
+# it happens locally.
+#
+# With forward-socks5 the DNS resolution will happen on the
+# remote server as well.
+#
+# forward-socks5t works like vanilla forward-socks5 but lets
+# Privoxy additionally use Tor-specific SOCKS extensions.
+# Currently the only supported SOCKS extension is optimistic
+# data which can reduce the latency for the first request made
+# on a newly created connection.
+#
+# socks_proxy and http_parent can be a numerical IPv6 address
+# (if RFC 3493 is implemented). To prevent clashes with the port
+# delimiter, the whole IP address has to be put into brackets.
+# On the other hand a target_pattern containing an IPv6 address
+# has to be put into angle brackets (normal brackets are
+# reserved for regular expressions already).
+#
+# If http_parent is ".", then requests are not forwarded to
+# another HTTP proxy but are made (HTTP-wise) directly to the
+# web servers, albeit through a SOCKS proxy.
+#
+# Examples:
+#
+# From the company example.com, direct connections are made to
+# all "internal" domains, but everything outbound goes through
+# their ISP's proxy by way of example.com's corporate SOCKS 4A
+# gateway to the Internet.
+#
+# forward-socks4a / socks-gw.example.com:1080 www-cache.isp.example.net:8080
+# forward .example.com .
+#
+# A rule that uses a SOCKS 4 gateway for all destinations but no
+# HTTP parent looks like this:
+#
+# forward-socks4 / socks-gw.example.com:1080 .
+#
+# To chain Privoxy and Tor, both running on the same system, you
+# would use something like:
+#
+# forward-socks5t / 127.0.0.1:9050 .
+#
+# Note that if you got Tor through one of the bundles, you may
+# have to change the port from 9050 to 9150 (or even another
+# one). For details, please check the documentation on the Tor
+# website.
+#
+# The public Tor network can't be used to reach your local
+# network, if you need to access local servers you therefore
+# might want to make some exceptions:
+#
+# forward 192.168.*.*/ .
+# forward 10.*.*.*/ .
+# forward 127.*.*.*/ .
+#
+# Unencrypted connections to systems in these address ranges
+# will be as (un)secure as the local network is, but the
+# alternative is that you can't reach the local network through
+# Privoxy at all. Of course this may actually be desired and
+# there is no reason to make these exceptions if you aren't sure
+# you need them.
+#
+# If you also want to be able to reach servers in your local
+# network by using their names, you will need additional
+# exceptions that look like this:
+#
+# forward localhost/ .
+#
+#
+# 5.3. forwarded-connect-retries
+# ===============================
+#
+# Specifies:
+#
+# How often Privoxy retries if a forwarded connection request
+# fails.
+#
+# Type of value:
+#
+# Number of retries.
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# Connections forwarded through other proxies are treated like
+# direct connections and no retry attempts are made.
+#
+# Notes:
+#
+# forwarded-connect-retries is mainly interesting for socks4a
+# connections, where Privoxy can't detect why the connections
+# failed. The connection might have failed because of a DNS
+# timeout in which case a retry makes sense, but it might also
+# have failed because the server doesn't exist or isn't
+# reachable. In this case the retry will just delay the
+# appearance of Privoxy's error message.
+#
+# Note that in the context of this option, "forwarded
+# connections" includes all connections that Privoxy forwards
+# through other proxies. This option is not limited to the HTTP
+# CONNECT method.
+#
+# Only use this option, if you are getting lots of
+# forwarding-related error messages that go away when you try
+# again manually. Start with a small value and check Privoxy's
+# logfile from time to time, to see how many retries are usually
+# needed.
+#
+# Examples:
+#
+# forwarded-connect-retries 1
+#
+forwarded-connect-retries 0
+#
+# 6. MISCELLANEOUS
+# =================
+#
+# 6.1. accept-intercepted-requests
+# =================================
+#
+# Specifies:
+#
+# Whether intercepted requests should be treated as valid.
+#
+# Type of value:
+#
+# 0 or 1
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# Only proxy requests are accepted, intercepted requests are
+# treated as invalid.
+#
+# Notes:
+#
+# If you don't trust your clients and want to force them to use
+# Privoxy, enable this option and configure your packet filter
+# to redirect outgoing HTTP connections into Privoxy.
+#
+# Note that intercepting encrypted connections (HTTPS) isn't
+# supported.
+#
+# Make sure that Privoxy's own requests aren't redirected as
+# well. Additionally take care that Privoxy can't intentionally
+# connect to itself, otherwise you could run into redirection
+# loops if Privoxy's listening port is reachable by the outside
+# or an attacker has access to the pages you visit.
+#
+# If you are running Privoxy as intercepting proxy without being
+# able to intercept all client requests you may want to adjust
+# the CGI templates to make sure they don't reference content
+# from config.privoxy.org.
+#
+# Examples:
+#
+# accept-intercepted-requests 1
+#
+accept-intercepted-requests 0
+#
+# 6.2. allow-cgi-request-crunching
+# =================================
+#
+# Specifies:
+#
+# Whether requests to Privoxy's CGI pages can be blocked or
+# redirected.
+#
+# Type of value:
+#
+# 0 or 1
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# Privoxy ignores block and redirect actions for its CGI pages.
+#
+# Notes:
+#
+# By default Privoxy ignores block or redirect actions for its
+# CGI pages. Intercepting these requests can be useful in
+# multi-user setups to implement fine-grained access control,
+# but it can also render the complete web interface useless and
+# make debugging problems painful if done without care.
+#
+# Don't enable this option unless you're sure that you really
+# need it.
+#
+# Examples:
+#
+# allow-cgi-request-crunching 1
+#
+allow-cgi-request-crunching 0
+#
+# 6.3. split-large-forms
+# =======================
+#
+# Specifies:
+#
+# Whether the CGI interface should stay compatible with broken
+# HTTP clients.
+#
+# Type of value:
+#
+# 0 or 1
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# The CGI form generate long GET URLs.
+#
+# Notes:
+#
+# Privoxy's CGI forms can lead to rather long URLs. This isn't a
+# problem as far as the HTTP standard is concerned, but it can
+# confuse clients with arbitrary URL length limitations.
+#
+# Enabling split-large-forms causes Privoxy to divide big forms
+# into smaller ones to keep the URL length down. It makes
+# editing a lot less convenient and you can no longer submit all
+# changes at once, but at least it works around this browser
+# bug.
+#
+# If you don't notice any editing problems, there is no reason
+# to enable this option, but if one of the submit buttons
+# appears to be broken, you should give it a try.
+#
+# Examples:
+#
+# split-large-forms 1
+#
+split-large-forms 0
+#
+# 6.4. keep-alive-timeout
+# ========================
+#
+# Specifies:
+#
+# Number of seconds after which an open connection will no
+# longer be reused.
+#
+# Type of value:
+#
+# Time in seconds.
+#
+# Default value:
+#
+# None
+#
+# Effect if unset:
+#
+# Connections are not kept alive.
+#
+# Notes:
+#
+# This option allows clients to keep the connection to Privoxy
+# alive. If the server supports it, Privoxy will keep the
+# connection to the server alive as well. Under certain
+# circumstances this may result in speed-ups.
+#
+# By default, Privoxy will close the connection to the server if
+# the client connection gets closed, or if the specified timeout
+# has been reached without a new request coming in. This
+# behaviour can be changed with the connection-sharing option.
+#
+# This option has no effect if Privoxy has been compiled without
+# keep-alive support.
+#
+# Note that a timeout of five seconds as used in the default
+# configuration file significantly decreases the number of
+# connections that will be reused. The value is used because
+# some browsers limit the number of connections they open to a
+# single host and apply the same limit to proxies. This can
+# result in a single website "grabbing" all the connections the
+# browser allows, which means connections to other websites
+# can't be opened until the connections currently in use time
+# out.
+#
+# Several users have reported this as a Privoxy bug, so the
+# default value has been reduced. Consider increasing it to 300
+# seconds or even more if you think your browser can handle it.
+# If your browser appears to be hanging, it probably can't.
+#
+# Examples:
+#
+# keep-alive-timeout 300
+#
+keep-alive-timeout 5
+#
+# 6.5. tolerate-pipelining
+# =========================
+#
+# Specifies:
+#
+# Whether or not pipelined requests should be served.
+#
+# Type of value:
+#
+# 0 or 1.
+#
+# Default value:
+#
+# None
+#
+# Effect if unset:
+#
+# If Privoxy receives more than one request at once, it
+# terminates the client connection after serving the first one.
+#
+# Notes:
+#
+# Privoxy currently doesn't pipeline outgoing requests, thus
+# allowing pipelining on the client connection is not guaranteed
+# to improve the performance.
+#
+# By default Privoxy tries to discourage clients from pipelining
+# by discarding aggressively pipelined requests, which forces
+# the client to resend them through a new connection.
+#
+# This option lets Privoxy tolerate pipelining. Whether or not
+# that improves performance mainly depends on the client
+# configuration.
+#
+# If you are seeing problems with pages not properly loading,
+# disabling this option could work around the problem.
+#
+# Examples:
+#
+# tolerate-pipelining 1
+#
+tolerate-pipelining 1
+#
+# 6.6. default-server-timeout
+# ============================
+#
+# Specifies:
+#
+# Assumed server-side keep-alive timeout if not specified by the
+# server.
+#
+# Type of value:
+#
+# Time in seconds.
+#
+# Default value:
+#
+# None
+#
+# Effect if unset:
+#
+# Connections for which the server didn't specify the keep-alive
+# timeout are not reused.
+#
+# Notes:
+#
+# Enabling this option significantly increases the number of
+# connections that are reused, provided the keep-alive-timeout
+# option is also enabled.
+#
+# While it also increases the number of connections problems
+# when Privoxy tries to reuse a connection that already has been
+# closed on the server side, or is closed while Privoxy is
+# trying to reuse it, this should only be a problem if it
+# happens for the first request sent by the client. If it
+# happens for requests on reused client connections, Privoxy
+# will simply close the connection and the client is supposed to
+# retry the request without bothering the user.
+#
+# Enabling this option is therefore only recommended if the
+# connection-sharing option is disabled.
+#
+# It is an error to specify a value larger than the
+# keep-alive-timeout value.
+#
+# This option has no effect if Privoxy has been compiled without
+# keep-alive support.
+#
+# Examples:
+#
+# default-server-timeout 60
+#
+#default-server-timeout 60
+#
+# 6.7. connection-sharing
+# ========================
+#
+# Specifies:
+#
+# Whether or not outgoing connections that have been kept alive
+# should be shared between different incoming connections.
+#
+# Type of value:
+#
+# 0 or 1
+#
+# Default value:
+#
+# None
+#
+# Effect if unset:
+#
+# Connections are not shared.
+#
+# Notes:
+#
+# This option has no effect if Privoxy has been compiled without
+# keep-alive support, or if it's disabled.
+#
+# Notes:
+#
+# Note that reusing connections doesn't necessary cause
+# speedups. There are also a few privacy implications you should
+# be aware of.
+#
+# If this option is effective, outgoing connections are shared
+# between clients (if there are more than one) and closing the
+# browser that initiated the outgoing connection does no longer
+# affect the connection between Privoxy and the server unless
+# the client's request hasn't been completed yet.
+#
+# If the outgoing connection is idle, it will not be closed
+# until either Privoxy's or the server's timeout is reached.
+# While it's open, the server knows that the system running
+# Privoxy is still there.
+#
+# If there are more than one client (maybe even belonging to
+# multiple users), they will be able to reuse each others
+# connections. This is potentially dangerous in case of
+# authentication schemes like NTLM where only the connection is
+# authenticated, instead of requiring authentication for each
+# request.
+#
+# If there is only a single client, and if said client can keep
+# connections alive on its own, enabling this option has next to
+# no effect. If the client doesn't support connection
+# keep-alive, enabling this option may make sense as it allows
+# Privoxy to keep outgoing connections alive even if the client
+# itself doesn't support it.
+#
+# You should also be aware that enabling this option increases
+# the likelihood of getting the "No server or forwarder data"
+# error message, especially if you are using a slow connection
+# to the Internet.
+#
+# This option should only be used by experienced users who
+# understand the risks and can weight them against the benefits.
+#
+# Examples:
+#
+# connection-sharing 1
+#
+#connection-sharing 1
+#
+# 6.8. socket-timeout
+# ====================
+#
+# Specifies:
+#
+# Number of seconds after which a socket times out if no data is
+# received.
+#
+# Type of value:
+#
+# Time in seconds.
+#
+# Default value:
+#
+# None
+#
+# Effect if unset:
+#
+# A default value of 300 seconds is used.
+#
+# Notes:
+#
+# The default is quite high and you probably want to reduce it.
+# If you aren't using an occasionally slow proxy like Tor,
+# reducing it to a few seconds should be fine.
+#
+# Examples:
+#
+# socket-timeout 300
+#
+socket-timeout 300
+#
+# 6.9. max-client-connections
+# ============================
+#
+# Specifies:
+#
+# Maximum number of client connections that will be served.
+#
+# Type of value:
+#
+# Positive number.
+#
+# Default value:
+#
+# 128
+#
+# Effect if unset:
+#
+# Connections are served until a resource limit is reached.
+#
+# Notes:
+#
+# Privoxy creates one thread (or process) for every incoming
+# client connection that isn't rejected based on the access
+# control settings.
+#
+# If the system is powerful enough, Privoxy can theoretically
+# deal with several hundred (or thousand) connections at the
+# same time, but some operating systems enforce resource limits
+# by shutting down offending processes and their default limits
+# may be below the ones Privoxy would require under heavy load.
+#
+# Configuring Privoxy to enforce a connection limit below the
+# thread or process limit used by the operating system makes
+# sure this doesn't happen. Simply increasing the operating
+# system's limit would work too, but if Privoxy isn't the only
+# application running on the system, you may actually want to
+# limit the resources used by Privoxy.
+#
+# If Privoxy is only used by a single trusted user, limiting the
+# number of client connections is probably unnecessary. If there
+# are multiple possibly untrusted users you probably still want
+# to additionally use a packet filter to limit the maximal
+# number of incoming connections per client. Otherwise a
+# malicious user could intentionally create a high number of
+# connections to prevent other users from using Privoxy.
+#
+# Obviously using this option only makes sense if you choose a
+# limit below the one enforced by the operating system.
+#
+# One most POSIX-compliant systems Privoxy can't properly deal
+# with more than FD_SETSIZE file descriptors at the same time
+# and has to reject connections if the limit is reached. This
+# will likely change in a future version, but currently this
+# limit can't be increased without recompiling Privoxy with a
+# different FD_SETSIZE limit.
+#
+# Examples:
+#
+# max-client-connections 256
+#
+#max-client-connections 256
+#
+# 6.10. listen-backlog
+# =====================
+#
+# Specifies:
+#
+# Connection queue length requested from the operating system.
+#
+# Type of value:
+#
+# Number.
+#
+# Default value:
+#
+# 128
+#
+# Effect if unset:
+#
+# A connection queue length of 128 is requested from the
+# operating system.
+#
+# Notes:
+#
+# Under high load incoming connection may queue up before
+# Privoxy gets around to serve them. The queue length is
+# limitted by the operating system. Once the queue is full,
+# additional connections are dropped before Privoxy can accept
+# and serve them.
+#
+# Increasing the queue length allows Privoxy to accept more
+# incomming connections that arrive roughly at the same time.
+#
+# Note that Privoxy can only request a certain queue length,
+# whether or not the requested length is actually used depends
+# on the operating system which may use a different length
+# instead.
+#
+# On many operating systems a limit of -1 can be specified to
+# instruct the operating system to use the maximum queue length
+# allowed. Check the listen man page to see if your platform
+# allows this.
+#
+# On some platforms you can use "netstat -Lan -p tcp" to see the
+# effective queue length.
+#
+# Effectively using a value above 128 usually requires changing
+# the system configuration as well. On FreeBSD-based system the
+# limit is controlled by the kern.ipc.soacceptqueue sysctl.
+#
+# Examples:
+#
+# listen-backlog 4096
+#
+#listen-backlog -1
+#
+# 6.11. enable-accept-filter
+# ===========================
+#
+# Specifies:
+#
+# Whether or not Privoxy should use an accept filter
+#
+# Type of value:
+#
+# 0 or 1
+#
+# Default value:
+#
+# 0
+#
+# Effect if unset:
+#
+# No accept filter is enabled.
+#
# Notes:
-#
-# When toggled off, Privoxy acts like a normal, content-neutral
-# proxy, i.e. it acts as if none of the actions applied to any
-# URL.
-#
-# For the time being, access to the toggle feature can not be
-# controlled separately by "ACLs" or HTTP authentication, so that
-# everybody who can access Privoxy (see "ACLs" and listen-address
-# above) can toggle it for all users. So this option is not
-# recommended for multi-user environments with untrusted users.
-#
-# Note that you must have compiled Privoxy with support for this
-# feature, otherwise this option has no effect.
-#
-enable-remote-toggle 1
-
-
-# 4.4. enable-edit-actions
-# ========================
-#
+#
+# Accept filters reduce the number of context switches by not
+# passing sockets for new connections to Privoxy until a
+# complete HTTP request is available.
+#
+# As a result, Privoxy can process the whole request right away
+# without having to wait for additional data first.
+#
+# For this option to work, Privoxy has to be compiled with
+# FEATURE_ACCEPT_FILTER and the operating system has to support
+# it (which may require loading a kernel module).
+#
+# Currently accept filters are only supported on FreeBSD-based
+# systems. Check the accf_http(9) man page to learn how to
+# enable the support in the operating system.
+#
+# Examples:
+#
+# enable-accept-filter 1
+#
+#enable-accept-filter 1
+#
+# 6.12. handle-as-empty-doc-returns-ok
+# =====================================
+#
# Specifies:
-#
-# Whether or not the web-based actions file editor may be used
-#
+#
+# The status code Privoxy returns for pages blocked with
+# +handle-as-empty-document.
+#
# Type of value:
-#
+#
# 0 or 1
-#
+#
# Default value:
-#
-# 1
-#
+#
+# 0
+#
# Effect if unset:
-#
-# The web-based actions file editor is disabled.
-#
+#
+# Privoxy returns a status 403(forbidden) for all blocked pages.
+#
+# Effect if set:
+#
+# Privoxy returns a status 200(OK) for pages blocked with
+# +handle-as-empty-document and a status 403(Forbidden) for all
+# other blocked pages.
+#
# Notes:
-#
-# For the time being, access to the editor can not be controlled
-# separately by "ACLs" or HTTP authentication, so that everybody
-# who can access Privoxy (see "ACLs" and listen-address above) can
-# modify its configuration for all users. So this option is not
-# recommended for multi-user environments with untrusted users.
-#
-# Note that you must have compiled Privoxy with support for this
-# feature, otherwise this option has no effect.
-#
-enable-edit-actions 1
-
-
-# 4.5. ACLs: permit-access and deny-access
-# ========================================
-#
+#
+# This directive was added as a work-around for Firefox bug
+# 492459: "Websites are no longer rendered if SSL requests for
+# JavaScripts are blocked by a proxy."
+# (https://bugzilla.mozilla.org/show_bug.cgi?id=492459), the bug
+# has been fixed for quite some time, but this directive is also
+# useful to make it harder for websites to detect whether or not
+# resources are being blocked.
+#
+#handle-as-empty-doc-returns-ok 1
+#
+# 6.13. enable-compression
+# =========================
+#
# Specifies:
-#
-# Who can access what.
-#
+#
+# Whether or not buffered content is compressed before delivery.
+#
# Type of value:
-#
-# src_addr[/src_masklen] [dst_addr[/dst_masklen]]
-#
-# Where src_addr and dst_addr are IP addresses in dotted decimal
-# notation or valid DNS names, and src_masklen and dst_masklen are
-# subnet masks in CIDR notation, i.e. integer values from 2 to 32
-# representing the length (in bits) of the network address. The
-# masks and the whole destination part are optional.
-#
+#
+# 0 or 1
+#
# Default value:
-#
-# Unset
-#
+#
+# 0
+#
# Effect if unset:
-#
-# Don't restrict access further than implied by listen-address
-#
+#
+# Privoxy does not compress buffered content.
+#
+# Effect if set:
+#
+# Privoxy compresses buffered content before delivering it to
+# the client, provided the client supports it.
+#
# Notes:
-#
-# Access controls are included at the request of ISPs and systems
-# administrators, and are not usually needed by individual users.
-# For a typical home user, it will normally suffice to ensure that
-# Privoxy only listens on the localhost or internal (home) network
-# address by means of the listen-address option.
-#
-# Please see the warnings in the FAQ that this proxy is not
-# intended to be a substitute for a firewall or to encourage anyone
-# to defer addressing basic security weaknesses.
-#
-# Multiple ACL lines are OK. If any ACLs are specified, then the
-# Privoxy talks only to IP addresses that match at least one
-# permit-access line and don't match any subsequent deny-access
-# line. In other words, the last match wins, with the default being
-# deny-access.
-#
-# If Privoxy is using a forwarder (see forward below) for a
-# particular destination URL, the dst_addr that is examined is the
-# address of the forwarder and NOT the address of the ultimate
-# target. This is necessary because it may be impossible for the
-# local Privoxy to determine the IP address of the ultimate target
-# (that's often what gateways are used for).
-#
-# You should prefer using IP addresses over DNS names, because the
-# address lookups take time. All DNS names must resolve! You can
-# not use domain patterns like "*.org" or partial domain names. If
-# a DNS name resolves to multiple IP addresses, only the first one
-# is used.
-#
-# Denying access to particular sites by ACL may have undesired side
-# effects if the site in question is hosted on a machine which also
-# hosts other sites.
-#
+#
+# This directive is only supported if Privoxy has been compiled
+# with FEATURE_COMPRESSION, which should not to be confused with
+# FEATURE_ZLIB.
+#
+# Compressing buffered content is mainly useful if Privoxy and
+# the client are running on different systems. If they are
+# running on the same system, enabling compression is likely to
+# slow things down. If you didn't measure otherwise, you should
+# assume that it does and keep this option disabled.
+#
+# Privoxy will not compress buffered content below a certain
+# length.
+#
+#enable-compression 1
+#
+# 6.14. compression-level
+# ========================
+#
+# Specifies:
+#
+# The compression level that is passed to the zlib library when
+# compressing buffered content.
+#
+# Type of value:
+#
+# Positive number ranging from 0 to 9.
+#
+# Default value:
+#
+# 1
+#
+# Notes:
+#
+# Compressing the data more takes usually longer than
+# compressing it less or not compressing it at all. Which level
+# is best depends on the connection between Privoxy and the
+# client. If you can't be bothered to benchmark it for yourself,
+# you should stick with the default and keep compression
+# disabled.
+#
+# If compression is disabled, the compression level is
+# irrelevant.
+#
# Examples:
-#
-# Explicitly define the default behavior if no ACL and
-# listen-address are set: "localhost" is OK. The absence of a
-# dst_addr implies that all destination addresses are OK:
-#
-# permit-access localhost
-#
-#
-# Allow any host on the same class C subnet as www.privoxy.org
-# access to nothing but www.example.com:
-#
-# permit-access www.privoxy.org/24 www.example.com/32
-#
-#
-# Allow access from any host on the 26-bit subnet 192.168.45.64 to
-# anywhere, with the exception that 192.168.45.73 may not access
-# www.dirty-stuff.example.com:
-#
-# permit-access 192.168.45.64/26
-# deny-access 192.168.45.73 www.dirty-stuff.example.com
-#
-
-
-# 4.6. buffer-limit
-# =================
-#
+#
+# # Best speed (compared to the other levels)
+# compression-level 1
+#
+# # Best compression
+# compression-level 9
+#
+# # No compression. Only useful for testing as the added header
+# # slightly increases the amount of data that has to be sent.
+# # If your benchmark shows that using this compression level
+# # is superior to using no compression at all, the benchmark
+# # is likely to be flawed.
+# compression-level 0
+#
+#
+#compression-level 1
+#
+# 6.15. client-header-order
+# ==========================
+#
# Specifies:
-#
-# Maximum size of the buffer for content filtering.
-#
+#
+# The order in which client headers are sorted before forwarding
+# them.
+#
# Type of value:
-#
-# Size in Kbytes
-#
+#
+# Client header names delimited by spaces or tabs
+#
# Default value:
-#
-# 4096
-#
-# Effect if unset:
-#
-# Use a 4MB (4096 KB) limit.
-#
+#
+# None
+#
# Notes:
-#
-# For content filtering, i.e. the +filter and +deanimate-gif
-# actions, it is necessary that Privoxy buffers the entire document
-# body. This can be potentially dangerous, since a server could
-# just keep sending data indefinitely and wait for your RAM to
-# exhaust -- with nasty consequences. Hence this option.
-#
-# When a document buffer size reaches the buffer-limit, it is
-# flushed to the client unfiltered and no further attempt to filter
-# the rest of the document is made. Remember that there may be
-# multiple threads running, which might require up to buffer-limit
-# Kbytes each, unless you have enabled "single-threaded" above.
-#
-buffer-limit 4096
-
-
-# 5. FORWARDING
-# =============
-#
-# This feature allows routing of HTTP requests through a chain of
-# multiple proxies. It can be used to better protect privacy and
-# confidentiality when accessing specific domains by routing requests
-# to those domains through an anonymous public proxy (see e.g.
-# http://www.multiproxy.org/anon_list.htm) Or to use a caching proxy to
-# speed up browsing. Or chaining to a parent proxy may be necessary
-# because the machine that Privoxy runs on has no direct Internet
-# access.
-#
-# Also specified here are SOCKS proxies. Privoxy supports the SOCKS 4
-# and SOCKS 4A protocols.
-#
-
-
-# 5.1. forward
-# ============
+#
+# By default Privoxy leaves the client headers in the order they
+# were sent by the client. Headers are modified in-place, new
+# headers are added at the end of the already existing headers.
+#
+# The header order can be used to fingerprint client requests
+# independently of other headers like the User-Agent.
+#
+# This directive allows to sort the headers differently to
+# better mimic a different User-Agent. Client headers will be
+# emitted in the order given, headers whose name isn't
+# explicitly specified are added at the end.
+#
+# Note that sorting headers in an uncommon way will make
+# fingerprinting actually easier. Encrypted headers are not
+# affected by this directive.
+#
+#client-header-order Host \
+# Accept \
+# Accept-Language \
+# Accept-Encoding \
+# Proxy-Connection \
+# Referer \
+# Cookie \
+# DNT \
+# If-Modified-Since \
+# Cache-Control \
+# Content-Length \
+# Content-Type
+#
+#
+# 6.16. client-specific-tag
+# ==========================
#
# Specifies:
-#
-# To which parent HTTP proxy specific requests should be routed.
-#
+#
+# The name of a tag that will always be set for clients that
+# requested it through the webinterface.
+#
+# Type of value:
+#
+# Tag name followed by a description that will be shown in the
+# webinterface
+#
+# Default value:
+#
+# None
+#
+# Notes:
+#
+# +-----------------------------------------------------+
+# | Warning |
+# |-----------------------------------------------------|
+# |This is an experimental feature. The syntax is likely|
+# |to change in future versions. |
+# +-----------------------------------------------------+
+#
+# Client-specific tags allow Privoxy admins to create different
+# profiles and let the users chose which one they want without
+# impacting other users.
+#
+# One use case is allowing users to circumvent certain blocks
+# without having to allow them to circumvent all blocks. This is
+# not possible with the enable-remote-toggle feature because it
+# would bluntly disable all blocks for all users and also affect
+# other actions like filters. It also is set globally which
+# renders it useless in most multi-user setups.
+#
+# After a client-specific tag has been defined with the
+# client-specific-tag directive, action sections can be
+# activated based on the tag by using a CLIENT-TAG pattern. The
+# CLIENT-TAG pattern is evaluated at the same priority as URL
+# patterns, as a result the last matching pattern wins. Tags
+# that are created based on client or server headers are
+# evaluated later on and can overrule CLIENT-TAG and URL
+# patterns!
+#
+# The tag is set for all requests that come from clients that
+# requested it to be set. Note that "clients" are differentiated
+# by IP address, if the IP address changes the tag has to be
+# requested again.
+#
+# Clients can request tags to be set by using the CGI interface
+# http://config.privoxy.org/client-tags. The specific tag
+# description is only used on the web page and should be phrased
+# in away that the user understand the effect of the tag.
+#
+# Examples:
+#
+# # Define a couple of tags, the described effect requires action sections
+# # that are enabled based on CLIENT-TAG patterns.
+# client-specific-tag circumvent-blocks Overrule blocks but do not affect other actions
+# disable-content-filters Disable content-filters but do not affect other actions
+#
+#
+#
+# 6.17. client-tag-lifetime
+# ==========================
+#
+# Specifies:
+#
+# How long a temporarily enabled tag remains enabled.
+#
# Type of value:
-#
-# target_domain[:port] http_parent[:port]
-#
-# Where target_domain is a domain name pattern (see the chapter on
-# domain matching in the actions file), http_parent is the address
-# of the parent HTTP proxy as an IP addresses in dotted decimal
-# notation or as a valid DNS name (or "." to denote "no
-# forwarding", and the optional port parameters are TCP ports, i.e.
-# integer values from 1 to 64535
-#
+#
+# Time in seconds.
+#
# Default value:
-#
-# Unset
-#
-# Effect if unset:
-#
-# Don't use parent HTTP proxies.
-#
+#
+# 60
+#
# Notes:
-#
-# If http_parent is ".", then requests are not forwarded to another
-# HTTP proxy but are made directly to the web servers.
-#
-# Multiple lines are OK, they are checked in sequence, and the last
-# match wins.
-#
+#
+# +-----------------------------------------------------+
+# | Warning |
+# |-----------------------------------------------------|
+# |This is an experimental feature. The syntax is likely|
+# |to change in future versions. |
+# +-----------------------------------------------------+
+#
+# In case of some tags users may not want to enable them
+# permanently, but only for a short amount of time, for example
+# to circumvent a block that is the result of an overly-broad
+# URL pattern.
+#
+# The CGI interface http://config.privoxy.org/client-tags
+# therefore provides a "enable this tag temporarily" option. If
+# it is used, the tag will be set until the client-tag-lifetime
+# is over.
+#
# Examples:
-#
-# Everything goes to an example anonymizing proxy, except SSL on
-# port 443 (which it doesn't handle):
-#
-# forward .* anon-proxy.example.org:8080
-# forward :443 .
-#
-#
-# Everything goes to our example ISP's caching proxy, except for
-# requests to that ISP's sites:
-#
-# forward .*. caching-proxy.example-isp.net:8000
-# forward .example-isp.net .
-#
-
-
-# 5.2. forward-socks4 and forward-socks4a
-# =======================================
+#
+# # Increase the time to life for temporarily enabled tags to 3 minutes
+# client-tag-lifetime 180
+#
+#
+#
+# 6.18. trust-x-forwarded-for
+# ============================
#
# Specifies:
-#
-# Through which SOCKS proxy (and to which parent HTTP proxy)
-# specific requests should be routed.
-#
+#
+# Whether or not Privoxy should use IP addresses specified with
+# the X-Forwarded-For header
+#
# Type of value:
-#
-# target_domain[:port] socks_proxy[:port] http_parent[:port]
-#
-# Where target_domain is a domain name pattern (see the chapter on
-# domain matching in the actions file), http_parent and socks_proxy
-# are IP addresses in dotted decimal notation or valid DNS names
-# (http_parent may be "." to denote "no HTTP forwarding"), and the
-# optional port parameters are TCP ports, i.e. integer values from
-# 1 to 64535
-#
+#
+# 0 or one
+#
# Default value:
-#
-# Unset
-#
-# Effect if unset:
-#
-# Don't use SOCKS proxies.
-#
+#
+# 0
+#
# Notes:
-#
-# Multiple lines are OK, they are checked in sequence, and the last
-# match wins.
-#
-# The difference between forward-socks4 and forward-socks4a is that
-# in the SOCKS 4A protocol, the DNS resolution of the target
-# hostname happens on the SOCKS server, while in SOCKS 4 it happens
-# locally.
-#
-# If http_parent is ".", then requests are not forwarded to another
-# HTTP proxy but are made (HTTP-wise) directly to the web servers,
-# albeit through a SOCKS proxy.
-#
+#
+# +-----------------------------------------------------+
+# | Warning |
+# |-----------------------------------------------------|
+# |This is an experimental feature. The syntax is likely|
+# |to change in future versions. |
+# +-----------------------------------------------------+
+#
+# If clients reach Privoxy through another proxy, for example a
+# load balancer, Privoxy can't tell the client's IP address from
+# the connection. If multiple clients use the same proxy, they
+# will share the same client tag settings which is usually not
+# desired.
+#
+# This option lets Privoxy use the X-Forwarded-For header value
+# as client IP address. If the proxy sets the header, multiple
+# clients using the same proxy do not share the same client tag
+# settings.
+#
+# This option should only be enabled if Privoxy can only be
+# reached through a proxy and if the proxy can be trusted to set
+# the header correctly. It is recommended that ACL are used to
+# make sure only trusted systems can reach Privoxy.
+#
+# If access to Privoxy isn't limited to trusted systems, this
+# option would allow malicious clients to change the client tags
+# for other clients or increase Privoxy's memory requirements by
+# registering lots of client tag settings for clients that don't
+# exist.
+#
# Examples:
-#
-# From the company example.com, direct connections are made to all
-# "internal" domains, but everything outbound goes through their
-# ISP's proxy by way of example.com's corporate SOCKS 4A gateway to
-# the Internet.
-#
-# forward-socks4a .*. socks-gw.example.com:1080 www-cache.example-isp.net:8080
-# forward .example.com .
-#
-#
-# A rule that uses a SOCKS 4 gateway for all destinations but no
-# HTTP parent looks like this:
-#
-# forward-socks4 .*. socks-gw.example.com:1080 .
-#
-# See the user manual for more advanced examples.
-#
-
-
-# 6. WINDOWS GUI OPTIONS
-# ======================
-#
+#
+# # Allow systems that can reach Privoxy to provide the client
+# # IP address with a X-Forwarded-For header.
+# trust-x-forwarded-for 1
+#
+#
+#
+# 6.19. receive-buffer-size
+# ==========================
+#
+# Specifies:
+#
+# The size of the buffer Privoxy uses to receive data from the
+# server.
+#
+# Type of value:
+#
+# Size in bytes
+#
+# Default value:
+#
+# 5000
+#
+# Notes:
+#
+# Increasing the receive-buffer-size increases Privoxy's memory
+# usage but can lower the number of context switches and thereby
+# reduce the cpu usage and potentially increase the throughput.
+#
+# This is mostly relevant for fast network connections and large
+# downloads that don't require filtering.
+#
+# Reducing the buffer size reduces the amount of memory Privoxy
+# needs to handle the request but increases the number of
+# systemcalls and may reduce the throughput.
+#
+# A dtrace command like: "sudo dtrace -n 'syscall::read:return /
+# execname == "privoxy"/ { @[execname] = llquantize(arg0, 10, 0,
+# 5, 20); @m = max(arg0)}'" can be used to properly tune the
+# receive-buffer-size. On systems without dtrace, strace or
+# truss may be used as less convenient alternatives.
+#
+# If the buffer is too large it will increase Privoxy's memory
+# footprint without any benefit. As the memory is (currently)
+# cleared before using it, a buffer that is too large can
+# actually reduce the throughput.
+#
+# Examples:
+#
+# # Increase the receive buffer size
+# receive-buffer-size 32768
+#
+#
+#
+# 7. WINDOWS GUI OPTIONS
+# =======================
+#
# Privoxy has a number of options specific to the Windows GUI
# interface:
-#
+#
+#
+#
# If "activity-animation" is set to 1, the Privoxy icon will animate
# when "Privoxy" is active. To turn off, set to 0.
-#
-#activity-animation 1
-
-# If "log-messages" is set to 1, Privoxy will log messages to the
-# console window:
-#
-#log-messages 1
-
+#
+#activity-animation 1
+#
+#
+#
+# If "log-messages" is set to 1, Privoxy copies log messages to the
+# console window. The log detail depends on the debug directive.
+#
+#log-messages 1
+#
+#
+#
# If "log-buffer-size" is set to 1, the size of the log buffer, i.e.
# the amount of memory used for the log messages displayed in the
# console window, will be limited to "log-max-lines" (see below).
-#
+#
# Warning: Setting this to 0 will result in the buffer to grow
# infinitely and eat up all your memory!
-#
+#
#log-buffer-size 1
-
-# log-max-lines is the maximum number of lines held in the log buffer.
-# See above.
-#
+#
+#
+#
+# log-max-lines is the maximum number of lines held in the log
+# buffer. See above.
+#
#log-max-lines 200
-
+#
+#
+#
# If "log-highlight-messages" is set to 1, Privoxy will highlight
# portions of the log messages with a bold-faced font:
-#
+#
#log-highlight-messages 1
-#
-
+#
+#
+#
# The font used in the console window:
-#
+#
#log-font-name Comic Sans MS
-#
-
+#
+#
+#
# Font size used in the console window:
-#
+#
#log-font-size 8
-#
-
-# "show-on-task-bar" controls whether or not Privoxy will appear as a
-# button on the Task bar when minimized:
-#
+#
+#
+#
+# "show-on-task-bar" controls whether or not Privoxy will appear as
+# a button on the Task bar when minimized:
+#
#show-on-task-bar 0
-#
-
+#
+#
+#
# If "close-button-minimizes" is set to 1, the Windows close button
-# will minimize Privoxy instead of closing the program (close with the
-# exit option on the File menu).
-#
+# will minimize Privoxy instead of closing the program (close with
+# the exit option on the File menu).
+#
#close-button-minimizes 1
-#
-
-# The "hide-console" option is specific to the MS-Win console version
-# of Privoxy. If this option is used, Privoxy will disconnect from and
-# hide the command console.
-#
+#
+#
+#
+# The "hide-console" option is specific to the MS-Win console
+# version of Privoxy. If this option is used, Privoxy will
+# disconnect from and hide the command console.
+#
#hide-console
#
+#
+#
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