X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=doc%2Fsource%2Fp-config.sgml;h=f41ec0760bdc3b01bf931923240b7427b4d37094;hp=3092b00ab4024a9a53708d90e3beaca0ff94c551;hb=706c8ab535b696ab96adbb76c17f8c94ffb56163;hpb=43ec91f4b57e37209dc82e7515620c3706a3a558
diff --git a/doc/source/p-config.sgml b/doc/source/p-config.sgml
index 3092b00a..f41ec076 100644
--- a/doc/source/p-config.sgml
+++ b/doc/source/p-config.sgml
@@ -1,11 +1,9 @@
@@
- Sample Configuration File for Privoxy v&p-version;
+ Sample Configuration File for Privoxy &p-version;
- $Id: p-config.sgml,v 2.88 2012/11/11 12:30:18 fabiankeil Exp $
-
-
-Copyright (C) 2001-2011 Privoxy Developers http://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. WINDOWS GUI OPTIONS #
- #
-#################################################################
-
+Copyright (C) 2001-2020 Privoxy Developers https://www.privoxy.org/
-I. INTRODUCTION
- ===============
+
+##################################################################
+ #
+ 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. HTTPS INSPECTION (EXPERIMENTAL) #
+ 8. WINDOWS GUI OPTIONS #
+ #
+##################################################################
+
+
+I. INTRODUCTION
+ ===============
+
This file holds Privoxy's main configuration. Privoxy detects
@@ -228,7 +219,7 @@ II. FORMAT OF THE CONFIGURATION FILE
Effect if unset:
- http://www.privoxy.org/version/user-manual/
+ https://www.privoxy.org/version/user-manual/
will be used, where version is the Privoxy version.
@@ -250,30 +241,22 @@ II. FORMAT OF THE CONFIGURATION FILE
Unix, in local filesystem (may not work with all browsers):
- user-manual file:///usr/share/doc/privoxy-&p-version;/user-manual/
-
Windows, in local filesystem, must use forward slash notation:
- user-manual file:/c:/some-dir/privoxy-&p-version;/user-manual/
-
Windows, UNC notation (with forward slashes):
- user-manual file://///some-server/some-path/privoxy-&p-version;/user-manual/
-
-->
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
-
+ 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:
@@ -284,9 +267,7 @@ II. FORMAT OF THE CONFIGURATION FILE
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/
-
+ user-manual http://example.com/privoxy/user-manual/
@@ -315,7 +296,7 @@ II. FORMAT OF THE CONFIGURATION FILE
-@@#user-manual http://www.privoxy.org/user-manual/]]>
+@@#user-manual https://www.privoxy.org/user-manual/]]>
@@ -533,16 +514,6 @@ II. FORMAT OF THE CONFIGURATION FILE
No trailing /, please.
-
@@ -597,6 +568,55 @@ II. FORMAT OF THE CONFIGURATION FILE
+
+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 .]]>
+
+
+
logdir
@@ -703,13 +723,6 @@ actionsfile
Actions files contain all the per site and per URL configuration for
ad blocking, cookie management, privacy considerations, etc.
- There is no point in using Privoxy without at
- least one actions file.
-
-
- Note that since Privoxy 3.0.7, the complete filename, including the .action
- extension has to be specified. The syntax change was necessary to be consistent
- with the other file options and to allow previously forbidden characters.
@@ -846,22 +859,22 @@ actionsfile
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 3.0.7 and later only log fatal
- errors by default.
+ 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.
-
- 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).
-
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.
+
@@ -1002,11 +1015,10 @@ actionsfile
The available debug levels are:
-
- debug 1 # Log the destination for each request &my-app; let through. See also debug 1024.
+ debug 1 # Log the destination for each request. See also debug 1024.
debug 2 # show each connection status
- debug 4 # show I/O status
+ debug 4 # show tagging-related messages
debug 8 # show header parsing
debug 16 # log all data written to the network
debug 32 # debug force feature
@@ -1021,7 +1033,6 @@ actionsfile
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.
@@ -1032,12 +1043,6 @@ actionsfile
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).
-
-
-
- &my-app; used to ship with the debug levels recommended above enabled by
- default, but due to privacy concerns 3.0.7 and later are configured to
- only log fatal errors.
If you are used to the more verbose settings, simply enable the debug lines
@@ -1083,13 +1088,13 @@ actionsfile
Type of value:
- None
+ 1 or 0Default value:
- Unset
+ 0
@@ -1112,7 +1117,7 @@ actionsfile
-@@#single-threaded]]>
+@@#single-threaded 1]]>
@@ -1255,13 +1260,16 @@ actionsfile
If the specified address isn't available on the system, or if the
hostname can't be resolved, Privoxy
will fail to start.
+ On GNU/Linux, and other platforms that can listen on not yet assigned IP
+ addresses, Privoxy will start and will listen on the specified
+ address whenever the IP address is assigned to the system
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.
+ http://config.privoxy.org/show-status.
Some operating systems will prefer IPv6 to IPv4 addresses even if the
@@ -1302,21 +1310,17 @@ actionsfile
(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
-
@@ -1365,18 +1369,6 @@ actionsfile
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.
-
-
-
- The windows version will only display the toggle icon in the system tray
- if this option is present.
@@ -1638,7 +1630,7 @@ actionsfile
- Examples:
+ Example:
enforce-blocks 1
@@ -1685,7 +1677,7 @@ ACLs: permit-access and deny-access
If your system implements
RFC 3493, then
src_addr and dst_addr can be IPv6 addresses delimeted by
+ class="parameter">dst_addr can be IPv6 addresses delimited by
brackets, port can be a number
or a service name, and
src_masklen and
@@ -1775,49 +1767,39 @@ ACLs: permit-access and deny-access
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
-
@@ -1882,6 +1864,216 @@ ACLs: permit-access and deny-access
@@buffer-limit 4096]]>
+
+enable-proxy-authentication-forwarding
+
+
+ Specifies:
+
+
+ Whether or not proxy authentication through &my-app; 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]]>
+
+
+
+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 &my-app; 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.
+
+
+ If the trusted source is supposed to access the CGI pages via
+ JavaScript the cors-allowed-origin
+ option can be used.
+
+
+
+ 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/local-privoxy-control-page]]>
+
+
+
+
+cors-allowed-origin
+
+
+ Specifies:
+
+
+ A trusted website which can access &my-app;'s CGI pages through JavaScript.
+
+
+
+
+ Type of value:
+
+ URL
+
+
+
+ Default value:
+
+ Unset
+
+
+
+ Effect if unset:
+
+
+ No external sites get access via cross-origin resource sharing.
+
+
+
+
+ Notes:
+
+
+ Modern browsers by default prevent cross-origin requests made
+ via JavaScript to &my-app;'s CGI interface even if &my-app;
+ would trust the referer because it's white listed via the
+ trusted-cgi-referer
+ directive.
+
+
+ Cross-origin resource sharing (CORS) is a mechanism to allow
+ cross-origin requests.
+
+
+ The cors-allowed-origin option can be used to specify
+ a domain that is allowed to make requests to Privoxy CGI interface
+ via JavaScript. It is used in combination with the
+ trusted-cgi-referer
+ directive.
+
+
+
+ Declaring domains 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.
+
+
+
+
+
+
+@@#cors-allowed-origin http://www.example.org/]]>
+
+
@@ -1986,40 +2178,32 @@ ACLs: permit-access and deny-access
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]:*> .
-
@@ -2046,7 +2230,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
target_pattern
- socks_proxy[:port]
+ [user:pass@]socks_proxy[:port]
http_parent[:port]
@@ -2059,7 +2243,8 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
(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
+ i.e. integer values from 1 to 65535. user and
+ pass can be used for SOCKS5 authentication if required.
@@ -2124,43 +2309,47 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
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 connect SOCKS5 proxy which requires username/password authentication:
+
+ forward-socks5 / user:pass@socks-gw.example.com:1080 .
+
To chain Privoxy and Tor, both running on the same system, you would use
something like:
-
- forward-socks5 / 127.0.0.1:9050 .
+ 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.*.*.*/ .
+ 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
@@ -2173,11 +2362,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
using their names, you will need additional exceptions that look like
this:
-
forward localhost/ .
-
@@ -2205,23 +2392,19 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
host-a:
-
forward / .
forward .isp-b.example.net host-b:8118
-
host-b:
-
forward / .
forward .isp-a.example.org host-a:8118
-
Now, your users can set their browser's proxy to use either
@@ -2240,7 +2423,6 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
run on the same box, your squid configuration could then look like this:
-
# Define Privoxy as parent proxy (without ICP)
cache_peer 127.0.0.1 parent 8118 7 no-query
@@ -2253,7 +2435,6 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
# Forward all the rest to Privoxy
never_direct allow all
-
You would then need to change your browser's proxy settings to squid's address and port.
@@ -2266,11 +2447,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
say, on antivir.example.com, port 8010:
-
forward / .
forward /.*\.(exe|com|dll|zip)$ antivir.example.com:8010
-
]]>
@@ -2329,7 +2508,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
- Examples:
+ Example:
forwarded-connect-retries 1
@@ -2386,6 +2565,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
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
@@ -2394,10 +2576,16 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
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:
+ Example:
accept-intercepted-requests 1
@@ -2455,7 +2643,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
- Examples:
+ Example:
allow-cgi-request-crunching 1
@@ -2522,7 +2710,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
- Examples:
+ Example:
split-large-forms 1
@@ -2605,7 +2793,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
- Examples:
+ Example:
keep-alive-timeout 300
@@ -2668,12 +2856,13 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
that improves performance mainly depends on the client configuration.
- This options is new and should be considered experimental.
+ If you are seeing problems with pages not properly loading,
+ disabling this option could work around the problem.
- Examples:
+ Example:
tolerate-pipelining 1
@@ -2681,7 +2870,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
-@@#tolerate-pipelining 1]]>
+@@tolerate-pipelining 1]]>
@@ -2754,7 +2943,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
- Examples:
+ Example:
default-server-timeout 60
@@ -2762,7 +2951,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
-@@#default-server-timeout 60]]>
+@@#default-server-timeout 5]]>
@@ -2853,7 +3042,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
- Examples:
+ Example:
connection-sharing 1
@@ -2909,7 +3098,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
- Examples:
+ Example:
socket-timeout 300
@@ -2942,7 +3131,7 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
Default value:
- None
+ 128
@@ -2987,10 +3176,17 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
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 &my-app; 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 &my-app; with a different FD_SETSIZE limit.
+
- Examples:
+ Example:
max-client-connections 256
@@ -3002,6 +3198,156 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
+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 limited 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
+ incoming 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.
+
+
+
+
+ Example:
+
+
+ listen-backlog 4096
+
+
+
+
+@@#listen-backlog -1]]>
+
+
+
+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:
+
+
+ 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.
+
+
+
+
+ Example:
+
+
+ enable-accept-filter 1
+
+
+
+
+@@#enable-accept-filter 1]]>
+
+
+
handle-as-empty-doc-returns-ok
@@ -3049,15 +3395,13 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
Notes:
- This is 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)
- As the bug has been fixed for quite some time this option should no longer
- be needed and will be removed in a future release. Please speak up if you
- have a reason why the option should be kept around.
+ 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.
@@ -3173,20 +3517,20 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
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
-
-
+
@@ -3244,53 +3588,876 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
@@#client-header-order Host \
-# User-Agent \
-# Accept \
-# Accept-Language \
-# Accept-Encoding \
-# Proxy-Connection,\
-# Referer,Cookie \
-# If-Modified-Since \
-# Cache-Control \
-# Content-Length \
-# Content-Type
+ User-Agent \
+ Accept \
+ Accept-Language \
+ Accept-Encoding \
+ Proxy-Connection \
+ Referer \
+ Cookie \
+ DNT \
+ If-Modified-Since \
+ Cache-Control \
+ Content-Length \
+ Content-Type
]]>
-
+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:
+
+
+
+ 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
+ client-specific-tag disable-content-filters Disable content-filters but do not affect other actions
+
+
+
+
+
+client-tag-lifetime
+
+
+ Specifies:
+
+
+ How long a temporarily enabled tag remains enabled.
+
+
+
+
+ Type of value:
+
+
+ Time in seconds.
+
+
+
+
+ Default value:
+
+ 60
+
+
+
+ Notes:
+
+
+
+ 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.
+
+
+
+
+ Example:
+
+
+ # Increase the time to life for temporarily enabled tags to 3 minutes
+ client-tag-lifetime 180
+
+
+
+
+
-
-
-
-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]]>
-
-
-
+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:
+
+
+
+ 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.
+
+
+
+
+ Example:
+
+
+ # Allow systems that can reach Privoxy to provide the client
+ # IP address with a X-Forwarded-For header.
+ trust-x-forwarded-for 1
+
+
+
+
+
+
+
+
+
+
+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.
+
+
+
+
+ Example:
+
+
+ # Increase the receive buffer size
+ receive-buffer-size 32768
+
+
+
+
+
+
+
+
+
+
+
+
+HTTPS Inspection (Experimental)
+
+
+ HTTPS inspection allows to filter encrypted requests.
+ This is only supported when Privoxy
+ has been built with FEATURE_HTTPS_INSPECTION.
+ If you aren't sure if your version supports it, have a look at
+ http://config.privoxy.org/show-status.
+
+
+
+
+ca-directory
+
+
+ Specifies:
+
+
+ Directory with the CA key, the CA certificate and the trusted CAs file.
+
+
+
+
+ Type of value:
+
+
+ Text
+
+
+
+
+ Default value:
+
+ Empty string
+
+
+
+ Effect if unset:
+
+
+ Default value is used.
+
+
+
+
+ Notes:
+
+
+ This directive specifies the directory where the
+ CA key, the CA certificate and the trusted CAs file
+ are located.
+
+
+ The permissions should only let &my-app; and the &my-app;
+ admin access the directory.
+
+
+
+
+ Example:
+
+
+ ca-directory /usr/local/etc/privoxy/CA
+
+
+
+
+@@#ca-directory /usr/local/etc/privoxy/CA]]>
+
+
+
+
+
+
+ca-cert-file
+
+
+ Specifies:
+
+
+ The CA certificate file in ".crt" format.
+
+
+
+
+ Type of value:
+
+
+ Text
+
+
+
+
+ Default value:
+
+ cacert.crt
+
+
+
+ Effect if unset:
+
+
+ Default value is used.
+
+
+
+
+ Notes:
+
+
+ This directive specifies the name of the CA certificate file
+ in ".crt" format.
+
+
+ The file is used by &my-app; to generate website certificates
+ when https inspection is enabled with the
+ https-inspection
+ action.
+
+
+ &my-app; clients should import the certificate so that they
+ can validate the generated certificates.
+
+
+ The file can be generated with:
+ openssl req -new -x509 -extensions v3_ca -keyout cakey.pem -out cacert.crt -days 3650
+
+
+
+
+ Example:
+
+
+ ca-cert-file root.crt
+
+
+
+
+@@#ca-cert-file cacert.crt]]>
+
+
+
+
+
+
+ca-key-file
+
+
+ Specifies:
+
+
+ The CA key file in ".pem" format.
+
+
+
+
+ Type of value:
+
+
+ Text
+
+
+
+
+ Default value:
+
+ cacert.pem
+
+
+
+ Effect if unset:
+
+
+ Default value is used.
+
+
+
+
+ Notes:
+
+
+ This directive specifies the name of the CA key file in ".pem" format.
+ The ca-cert-file section contains
+ a command to generate it.
+
+
+
+
+ Example:
+
+
+ ca-key-file cakey.pem
+
+
+
+
+@@#ca-key-file cakey.pem]]>
+
+
+
+
+
+
+ca-password
+
+
+ Specifies:
+
+
+ The password for the CA keyfile.
+
+
+
+
+ Type of value:
+
+
+ Text
+
+
+
+
+ Default value:
+
+ Empty string
+
+
+
+ Effect if unset:
+
+
+ Default value is used.
+
+
+
+
+ Notes:
+
+
+ This directive specifies the password for the CA keyfile
+ that is used when Privoxy generates certificates for intercepted
+ requests.
+
+
+ Note that the password is shown on the CGI page so don't
+ reuse an important one.
+
+
+
+
+ Example:
+
+
+ ca-password blafasel
+
+
+
+
+@@#ca-password swordfish]]>
+
+
+
+
+
+
+certificate-directory
+
+
+ Specifies:
+
+
+ Directory to save generated keys and certificates.
+
+
+
+
+ Type of value:
+
+
+ Text
+
+
+
+
+ Default value:
+
+ ./certs
+
+
+
+ Effect if unset:
+
+
+ Default value is used.
+
+
+
+
+ Notes:
+
+
+ This directive specifies the directory where generated
+ TLS/SSL keys and certificates are saved when https inspection
+ is enabled with the
+ https-inspection
+ action.
+
+
+ The keys and certificates currently have to be deleted manually
+ when changing the ca-cert-file
+ and the ca-cert-key.
+
+
+ The permissions should only let &my-app; and the &my-app;
+ admin access the directory.
+
+
+
+ &my-app; currently does not garbage-collect obsolete keys
+ and certificates and does not keep track of how may keys
+ and certificates exist.
+
+
+ &my-app; admins should monitor the size of the directory
+ and/or make sure there is sufficient space available.
+ A cron job to limit the number of keys and certificates
+ to a certain number may be worth considering.
+
+
+
+
+
+ Example:
+
+
+ certificate-directory /usr/local/var/privoxy/certs
+
+
+
+
+@@#certificate-directory /usr/local/var/privoxy/certs]]>
+
+
+
+
+
+
+cipher-list
+
+
+ Specifies:
+
+
+ A list of ciphers to use in TLS handshakes
+
+
+
+
+ Type of value:
+
+
+ Text
+
+
+
+
+ Default value:
+
+ None
+
+
+
+ Effect if unset:
+
+
+ A default value is inherited from the TLS library.
+
+
+
+
+ Notes:
+
+
+ This directive allows to specify a non-default list of ciphers to use
+ in TLS handshakes with clients and servers.
+
+
+ Ciphers are separated by colons. Which ciphers are supported
+ depends on the TLS library. When using OpenSSL, unsupported ciphers
+ are skipped. When using MbedTLS they are rejected.
+
+
+
+ Specifying an unusual cipher list makes fingerprinting easier.
+ Note that the default list provided by the TLS library may
+ be unusual when compared to the one used by modern browsers
+ as well.
+
+
+
+
+
+ Examples:
+
+
+ # Explicitly set a couple of ciphers with names used by MbedTLS
+ cipher-list cipher-list TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256:\
+TLS-ECDHE-ECDSA-WITH-CHACHA20-POLY1305-SHA256:\
+TLS-DHE-RSA-WITH-CHACHA20-POLY1305-SHA256:\
+TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256:\
+TLS-ECDHE-ECDSA-WITH-AES-256-GCM-SHA384:\
+TLS-ECDHE-ECDSA-WITH-AES-256-CCM:\
+TLS-ECDHE-ECDSA-WITH-AES-256-CCM-8:\
+TLS-ECDHE-ECDSA-WITH-AES-128-CCM:\
+TLS-ECDHE-ECDSA-WITH-AES-128-CCM-8:\
+TLS-ECDHE-ECDSA-WITH-CAMELLIA-128-GCM-SHA256:\
+TLS-ECDHE-ECDSA-WITH-CAMELLIA-256-GCM-SHA384:\
+TLS-ECDHE-RSA-WITH-AES-128-GCM-SHA256:\
+TLS-ECDHE-RSA-WITH-AES-256-GCM-SHA384:\
+TLS-ECDHE-RSA-WITH-CAMELLIA-128-GCM-SHA256:\
+TLS-ECDHE-RSA-WITH-CAMELLIA-256-GCM-SHA384:\
+TLS-DHE-RSA-WITH-AES-256-GCM-SHA384:\
+TLS-DHE-RSA-WITH-AES-128-GCM-SHA256:\
+TLS-DHE-RSA-WITH-AES-256-CCM:\
+TLS-DHE-RSA-WITH-AES-256-CCM-8:\
+TLS-DHE-RSA-WITH-AES-128-CCM:\
+TLS-DHE-RSA-WITH-AES-128-CCM-8:\
+TLS-DHE-RSA-WITH-CAMELLIA-128-GCM-SHA256:\
+TLS-DHE-RSA-WITH-CAMELLIA-256-GCM-SHA384:\
+TLS-ECDH-RSA-WITH-AES-128-GCM-SHA256:\
+TLS-ECDH-RSA-WITH-AES-256-GCM-SHA384:\
+TLS-ECDH-RSA-WITH-CAMELLIA-128-GCM-SHA256:\
+TLS-ECDH-RSA-WITH-CAMELLIA-256-GCM-SHA384:\
+TLS-ECDH-ECDSA-WITH-AES-128-GCM-SHA256:\
+TLS-ECDH-ECDSA-WITH-AES-256-GCM-SHA384:\
+TLS-ECDH-ECDSA-WITH-CAMELLIA-128-GCM-SHA256:\
+TLS-ECDH-ECDSA-WITH-CAMELLIA-256-GCM-SHA384
+
+
+ # Explicitly set a couple of ciphers with names used by OpenSSL
+cipher-list ECDHE-RSA-AES256-GCM-SHA384:\
+ECDHE-ECDSA-AES256-GCM-SHA384:\
+DH-DSS-AES256-GCM-SHA384:\
+DHE-DSS-AES256-GCM-SHA384:\
+DH-RSA-AES256-GCM-SHA384:\
+DHE-RSA-AES256-GCM-SHA384:\
+ECDH-RSA-AES256-GCM-SHA384:\
+ECDH-ECDSA-AES256-GCM-SHA384:\
+ECDHE-RSA-AES128-GCM-SHA256:\
+ECDHE-ECDSA-AES128-GCM-SHA256:\
+DH-DSS-AES128-GCM-SHA256:\
+DHE-DSS-AES128-GCM-SHA256:\
+DH-RSA-AES128-GCM-SHA256:\
+DHE-RSA-AES128-GCM-SHA256:\
+ECDH-RSA-AES128-GCM-SHA256:\
+ECDH-ECDSA-AES128-GCM-SHA256:\
+ECDHE-RSA-AES256-GCM-SHA384:\
+AES128-SHA
+
+
+ # Use keywords instead of explicitly naming the ciphers (Does not work with MbedTLS)
+ cipher-list ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH
+
+
+
+
+
+
+
+
+
+
+trusted-cas-file
+
+
+ Specifies:
+
+
+ The trusted CAs file in ".pem" format.
+
+
+
+
+ Type of value:
+
+
+ File name relative to ca-directory
+
+
+
+
+ Default value:
+
+ trustedCAs.pem
+
+
+
+ Effect if unset:
+
+
+ Default value is used.
+
+
+
+
+ Notes:
+
+
+ This directive specifies the trusted CAs file that is used when validating
+ certificates for intercepted TLS/SSL requests.
+
+
+ An example file can be downloaded from
+ https://curl.se/ca/cacert.pem.
+ If you want to create the file yourself, please see:
+ https://curl.se/docs/caextract.html.
+
+
+
+
+ Example:
+
+
+ trusted-cas-file trusted_cas_file.pem
+
+
+
+
+@@#trusted-cas-file trustedCAs.pem]]>
+
+
+
+
+
+
+
+
+
+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]]>
+
activity-animation 1
-
-
-
-
+
]]>
@@ -3304,15 +4471,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
@@#log-messages 1]]>
-
- log-messages 1
-
-
-
-
+
]]>
@@ -3330,15 +4491,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
@@#log-buffer-size 1]]>
-
- log-buffer-size 1
-
-
-
-
+
]]>
@@ -3350,15 +4505,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
@@#log-max-lines 200]]>
-
- log-max-lines 200
-
-
-
-
+
]]>
@@ -3371,15 +4520,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
@@#log-highlight-messages 1]]>
-
- log-highlight-messages 1
-
-
-
-
+
]]>
@@ -3390,15 +4533,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
@@#log-font-name Comic Sans MS]]>
-
- log-font-name Comic Sans MS
-
-
-
-
+
]]>
@@ -3409,15 +4546,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
@@#log-font-size 8]]>
-
- log-font-size 8
-
-
-
-
+
]]>
@@ -3430,15 +4561,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
@@#show-on-task-bar 0]]>
-
- show-on-task-bar 0
-
-
-
-
+
]]>
@@ -3451,15 +4576,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
@@#close-button-minimizes 1]]>
-
- close-button-minimizes 1
-
-
-
-
+
]]>
@@ -3473,15 +4592,9 @@ forward-socks4, forward-socks4a, forward-socks5 and forward-socks5t
@@#hide-console]]>
-
-
#hide-console
-
-
-
-
+
]]>