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[privoxy.git] / config

#        Sample Configuration File for Privoxy 3.0.26
#
# $Id: config,v 1.111 2016/05/22 12:44:17 fabiankeil Exp $
#
# Copyright (C) 2001-2016 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.
#
#  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.
#
#
#  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,
#
#  actionsfile default.action
#
#  Indicates that the actionsfile is named 'default.action'.
#
#  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. Removing the # again is called "uncommenting".
#
#  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 "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.
#
#
#  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.
#
#
#  1.1. user-manual
#  =================
#
#  Specifies:
#
#      Location of the Privoxy User Manual.
#
#  Type of value:
#
#      A fully qualified URI
#
#  Default value:
#
#      Unset
#
#  Effect if unset:
#
#      https://www.privoxy.org/version/user-manual/ will be used,
#      where version is the Privoxy version.
#
#  Notes:
#
#      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:
#
#      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 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.
#
#      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
#
#  1.3. admin-address
#  ===================
#
#  Specifies:
#
#      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:
#
#      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
#
#  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
#
#  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:
#
#      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.
#
confdir .
#
#  2.2. templdir
#  ==============
#
#  Specifies:
#
#      An alternative directory where the templates are loaded from.
#
#  Type of value:
#
#      Path name
#
#  Default value:
#
#      unset
#
#  Effect if unset:
#
#      The templates are assumed to be located in confdir/template.
#
#  Notes:
#
#      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:
#
#      A directory where Privoxy can create temporary files.
#
#  Type of value:
#
#      Path name
#
#  Default value:
#
#      unset
#
#  Effect if unset:
#
#      No temporary files are created, external filters don't work.
#
#  Notes:
#
#      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:
#
#      The directory where all logging takes place (i.e. where the
#      logfile is 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 .
#
#  2.5. actionsfile
#  =================
#
#  Specifies:
#
#      The actions file(s) to use
#
#  Type of value:
#
#      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:
#
#      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 # Actions that are applied to all sites and maybe overruled later on.
#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
#
#  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. handle-as-empty-doc-returns-ok
#  =====================================
#
#  Specifies:
#
#      The status code Privoxy returns for pages blocked with
#      +handle-as-empty-document.
#
#  Type of value:
#
#      0 or 1
#
#  Default value:
#
#      0
#
#  Effect if unset:
#
#      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:
#
#      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
#
#  6.11. enable-compression
#  =========================
#
#  Specifies:
#
#      Whether or not buffered content is compressed before delivery.
#
#  Type of value:
#
#      0 or 1
#
#  Default value:
#
#      0
#
#  Effect if unset:
#
#      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:
#
#      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
#
#  6.12. 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:
#
#          # 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
#
#  6.13. client-header-order
#  ==========================
#
#  Specifies:
#
#      The order in which client headers are sorted before forwarding
#      them.
#
#  Type of value:
#
#      Client header names delimited by spaces or tabs
#
#  Default value:
#
#      None
#
#  Notes:
#
#      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
#
#
#  6.14. client-specific-tag
#  ==========================
#
#  Specifies:
#
#      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
#
#
#
#  6.15. client-tag-lifetime
#  ==========================
#
#  Specifies:
#
#      How long a temporarily enabled tag remains enabled.
#
#  Type of value:
#
#      Time in seconds.
#
#  Default value:
#
#      60
#
#  Notes:
#
#      +-----------------------------------------------------+
#      |                       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:
#
#            # Increase the time to life for temporarily enabled tags to 3 minutes
#            client-tag-lifetime 180
#
#
#
#  6.16. trust-x-forwarded-for
#  ============================
#
#  Specifies:
#
#      Whether or not Privoxy should use IP addresses specified with
#      the X-Forwarded-For header
#
#  Type of value:
#
#      0 or one
#
#  Default value:
#
#      0
#
#  Notes:
#
#      +-----------------------------------------------------+
#      |                       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:
#
#            # Allow systems that can reach Privoxy to provide the client
#            # IP address with a X-Forwarded-For header.
#            trust-x-forwarded-for 1
#
#
#
#  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 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 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 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).
#
#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.
#
#hide-console
#
#
#