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<!--
File : $Source: /cvsroot/ijbswa/current/doc/source/p-config.sgml,v $
Purpose : Used with other docs and files only.
$Id: p-config.sgml,v 2.41 2009/02/19 16:59:41 fabiankeil Exp $
Copyright (C) 2001-2009 Privoxy Developers http://www.privoxy.org/
See LICENSE.
========================================================================
NOTE: Please read developer-manual/documentation.html before touching
anything in this, or other Privoxy documentation.
========================================================================
This file contains all the config file comments and options. It used to
build both the user-manual config sections, and all of config (yes, the main
config file) itself.
Rationale: This is broken up into two files since a file with a prolog
(DTD, etc) cannot be sourced as a secondary file. config.sgml is basically
a wrapper for this file.
IMPORTANT:
OPTIONS: The actual options are included in this file and prefixed with
'@@', and processed by the Makefile to strip the '@@'. Default options
that should appear commented out should be listed as: '@@#OPTION'.
Otherwise, as '@@OPTION'. Example:
@@listen-address 127.0.0.1:8118
The Makefile does significant other processing too. The final results
should be checked to make sure that the perl processing does not
fubar something!!! Makefile processing requires w3m, fmt (shell line
formatter), and perl.
This file is included into:
user-manual.sgml
config (the actual Privoxy config file)
-->
<![%user-man;[
<!-- This part only goes into user-manual -->
<sect1 id="config">
<title>The Main Configuration File</title>
<para>
Again, the main configuration file is named <filename>config</filename> on
Linux/Unix/BSD and OS/2, and <filename>config.txt</filename> on Windows.
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:
</para>
<para>
<literal>
<msgtext>
<literallayout>
<emphasis>confdir /etc/privoxy</emphasis></literallayout>
</msgtext>
</literal>
</para>
<para>
Assigns the value <literal>/etc/privoxy</literal> to the option
<literal>confdir</literal> and thus indicates that the configuration
directory is named <quote>/etc/privoxy/</quote>.
</para>
<para>
All options in the config file except for <literal>confdir</literal> and
<literal>logdir</literal> are optional. Watch out in the below description
for what happens if you leave them unset.
</para>
<para>
The main config file controls all aspects of <application>Privoxy</application>'s
operation that are not location dependent (i.e. they apply universally, no matter
where you may be surfing).
</para>
]]>
<![%config-file;[
<!-- This part only goes into the config file -->
<sect1 id="config">
<title>
@@TITLE<!-- between the @@ is stripped by Makefile -->@@
Sample Configuration File for Privoxy v&p-version;
</title>
<para>
$Id: p-config.sgml,v 2.41 2009/02/19 16:59:41 fabiankeil Exp $
</para>
<para>
Copyright (C) 2001-2009 Privoxy Developers http://www.privoxy.org/
</para>
<para>
<literallayout>
#################################################################
#
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 #
#
#################################################################
</literallayout>
</para>
<literallayout>I. INTRODUCTION
=============== <!-- fuck this madness --></literallayout>
<para>
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.
</para>
<para>
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.
</para>
<para>
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.
</para>
<para>
<literallayout><!-- funky spacing -->
II. FORMAT OF THE CONFIGURATION FILE
====================================</literallayout>
</para>
<para>
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,
</para>
<para>
actionsfile default.action
</para>
<para>
Indicates that the actionsfile is named 'default.action'.
</para>
<para>
The '#' indicates a comment. Any part of a line following a '#' is
ignored, except if the '#' is preceded by a '\'.
</para>
<para>
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".
</para>
<para>
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.
</para>
<para>
Long lines can be continued on the next line by using a `\' as
the last character.
</para>
]]>
<!-- ************************************************ -->
<!-- The following is common to both outputs (mostly) -->
<!-- ************************************************ -->
<!-- ~~~~~ New section ~~~~~ -->
<sect2 id="local-set-up">
<title>Local Set-up Documentation</title>
<para>
If you intend to operate <application>Privoxy</application> 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.
</para>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="user-manual"><title>user-manual</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Location of the <application>Privoxy</application> User Manual.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>A fully qualified URI</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
<ulink url="http://www.privoxy.org/user-manual/">http://www.privoxy.org/<replaceable class="parameter">version</replaceable>/user-manual/</ulink>
will be used, where <replaceable class="parameter">version</replaceable> is the <application>Privoxy</application> version.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
The User Manual URI is the single best source of information on
<application>Privoxy</application>, 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.
</para>
<para>
Examples:
</para>
<!--
<para>
Unix, in local filesystem (may not work with all browsers):
</para>
<para>
<screen>&nbsp;&nbsp;user-manual&nbsp;&nbsp;file:///usr/share/doc/privoxy-&p-version;/user-manual/</screen>
</para>
<para>
Windows, in local filesystem, <emphasis>must</emphasis> use forward slash notation:
</para>
<para>
<screen>&nbsp;&nbsp;user-manual&nbsp;&nbsp;file:/c:/some-dir/privoxy-&p-version;/user-manual/</screen>
</para>
<para>
Windows, UNC notation (with forward slashes):
</para>
<para>
<screen>&nbsp;&nbsp;user-manual&nbsp;&nbsp;file://///some-server/some-path/privoxy-&p-version;/user-manual/</screen>
</para>
-->
<para>
The best all purpose solution is simply to put the full local
<literal>PATH</literal> to where the <citetitle>User Manual</citetitle> is
located:
</para>
<para>
<screen>&nbsp;&nbsp;user-manual&nbsp;&nbsp;/usr/share/doc/privoxy/user-manual</screen>
</para>
<para>
The User Manual is then available to anyone with access to
<application>Privoxy</application>, by following the built-in URL:
<literal>http://config.privoxy.org/user-manual/</literal>
(or the shortcut: <literal>http://p.p/user-manual/</literal>).
</para>
<para>
If the documentation is not on the local system, it can be accessed
from a remote server, as:
</para>
<para>
<screen>&nbsp;&nbsp;user-manual&nbsp;&nbsp;http://example.com/privoxy/user-manual/</screen>
</para>
<![%user-man;[
<!-- this gets hammered in conversion to config. Text repeated below. -->
<warning>
<para>
If set, this option should be <emphasis>the first option in the config
file</emphasis>, because it is used while the config file is being read
on start-up.
</para>
</warning>
]]>
<![%config-file;[
<!-- alternate -->
<para>
WARNING!!!
</para>
<blockquote>
<para>
If set, this option should be the first option in the config
file, because it is used while the config file is being read.
</para>
</blockquote>
]]>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@#user-manual http://www.privoxy.org/user-manual/</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="trust-info-url"><title>trust-info-url</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
A URL to be displayed in the error page that users will see if access to an untrusted page is denied.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>URL</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
No links are displayed on the "untrusted" error page.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
The value of this option only matters if the experimental trust mechanism has been
activated. (See <link linkend="trustfile"><emphasis>trustfile</emphasis></link> below.)
</para>
<para>
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.
</para>
<para>
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!
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@#trust-info-url http://www.example.com/why_we_block.html</literallayout>]]>
<![%config-file;[<literallayout>@@#trust-info-url http://www.example.com/what_we_allow.html</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="admin-address"><title>admin-address</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
An email address to reach the <application>Privoxy</application> administrator.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>Email address</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
No email address is displayed on error pages and the CGI user interface.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
If both <literal>admin-address</literal> and <literal>proxy-info-url</literal>
are unset, the whole "Local Privoxy Support" box on all generated pages will
not be shown.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@#admin-address privoxy-admin@example.com</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="proxy-info-url"><title>proxy-info-url</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
A URL to documentation about the local <application>Privoxy</application> setup,
configuration or policies.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>URL</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
No link to local documentation is displayed on error pages and the CGI user interface.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
If both <literal>admin-address</literal> and <literal>proxy-info-url</literal>
are unset, the whole "Local Privoxy Support" box on all generated pages will
not be shown.
</para>
<para>
This URL shouldn't be blocked ;-)
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@#proxy-info-url http://www.example.com/proxy-service.html</literallayout>]]>
</sect3>
</sect2>
<!-- ~ End section ~ -->
<!-- ~~~~~ New section ~~~~~ -->
<sect2 id="conf-log-loc">
<title>Configuration and Log File Locations</title>
<para>
<application>Privoxy</application> can (and normally does) use a number of
other files for additional configuration, help and logging.
This section of the configuration file tells <application>Privoxy</application>
where to find those other files.
</para>
<para>
The user running <application>Privoxy</application>, 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.
</para>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="confdir"><title>confdir</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>The directory where the other configuration files are located.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>Path name</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>/etc/privoxy (Unix) <emphasis>or</emphasis> <application>Privoxy</application> installation dir (Windows) </para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para><emphasis>Mandatory</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
No trailing <quote><literal>/</literal></quote>, please.
</para>
<!--
This is really outdated and not likely to happen. HB 09/20/06
<para>
When development goes modular and multi-user, the blocker, filter, and
per-user config will be stored in subdirectories of <quote>confdir</quote>.
For now, the configuration directory structure is flat, except for
<filename>confdir/templates</filename>, where the HTML templates for CGI
output reside (e.g. <application>Privoxy's</application> 404 error page).
</para>
-->
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@confdir .</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="templdir"><title>templdir</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>An alternative directory where the templates are loaded from.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>Path name</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>unset</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>The templates are assumed to be located in confdir/template.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
<application>Privoxy's</application> 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
<application>Privoxy</application> releases other than the one
they were part of, though.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@#templdir .</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="logdir"><title>logdir</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
The directory where all logging takes place
(i.e. where the <filename>logfile</filename> is located).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>Path name</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>/var/log/privoxy (Unix) <emphasis>or</emphasis> <application>Privoxy</application> installation dir (Windows) </para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para><emphasis>Mandatory</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
No trailing <quote><literal>/</literal></quote>, please.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@logdir .</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="actionsfile"><title>
actionsfile
</title>
<anchor id="default.action">
<anchor id="standard.action">
<anchor id="user.action">
<!-- Note: slightly modified this section 04/28/02, hal. See NOTE. -->
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
The <link linkend="actions-file">actions file(s)</link> to use
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>Complete file name, relative to <literal>confdir</literal></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default values:</term>
<listitem>
<simplelist>
<member>
<msgtext><literallayout> match-all.action # Actions that are applied to all sites and maybe overruled later on.</literallayout></msgtext>
</member>
<member>
<msgtext><literallayout> default.action # Main actions file</literallayout></msgtext>
</member>
<member>
<msgtext><literallayout> user.action # User customizations</literallayout></msgtext>
</member>
</simplelist>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
No actions are taken at all. More or less neutral proxying.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
Multiple <literal>actionsfile</literal> lines are permitted, and are in fact recommended!
</para>
<para>
The default values are <filename>default.action</filename>, which is the
<quote>main</quote> actions file maintained by the developers, and
<filename>user.action</filename>, where you can make your personal additions.
</para>
<para>
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 <application>Privoxy</application> without at
least one actions file.
</para>
<para>
Note that since Privoxy 3.0.7, the complete filename, including the <quote>.action</quote>
extension has to be specified. The syntax change was necessary to be consistent
with the other file options and to allow previously forbidden characters.
</para>
</listitem>
</varlistentry>
</variablelist>
<!-- NOTE: alternate markup to make a simpler list doesn't work due to -->
<!-- html -> text conversion, blah -->
<![%config-file;[<literallayout>@@actionsfile match-all.action # Actions that are applied to all sites and maybe overruled later on.</literallayout>]]>
<![%config-file;[<literallayout>@@actionsfile default.action # Main actions file</literallayout>]]>
<!--
XXX: Like user.filter, user.action should probably be commented out
by default as not all packages install it into the default directory.
fk 2007-11-07
-->
<![%config-file;[<literallayout>@@actionsfile user.action # User customizations</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="filterfile"><title>filterfile</title>
<anchor id="default.filter">
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
The <link linkend="filter-file">filter file(s)</link> to use
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>File name, relative to <literal>confdir</literal></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>default.filter (Unix) <emphasis>or</emphasis> default.filter.txt (Windows)</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
No textual content filtering takes place, i.e. all
<literal>+<link linkend="filter">filter</link>{<replaceable class="parameter">name</replaceable>}</literal>
actions in the actions files are turned neutral.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
Multiple <literal>filterfile</literal> lines are permitted.
</para>
<para>
The <link linkend="filter-file">filter files</link> contain content modification
rules that use <link linkend="regex">regular expressions</link>. 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.
</para>
<para>
The
<literal>+<link linkend="filter">filter</link>{<replaceable class="parameter">name</replaceable>}</literal>
actions rely on the relevant filter (<replaceable class="parameter">name</replaceable>)
to be defined in a filter file!
</para>
<para>
A pre-defined filter file called <filename>default.filter</filename> that contains
a number of useful filters for common problems is included in the distribution.
See the section on the <literal><link linkend="filter">filter</link></literal>
action for a list.
</para>
<para>
It is recommended to place any locally adapted filters into a separate
file, such as <filename>user.filter</filename>.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@filterfile default.filter</literallayout>]]>
<![%config-file;[<literallayout>@@#filterfile user.filter # User customizations</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="logfile"><title>logfile</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
The log file to use
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>File name, relative to <literal>logdir</literal></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset (commented out)</emphasis>. When activated: logfile (Unix) <emphasis>or</emphasis> privoxy.log (Windows).</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
No logfile is written.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
The logfile is where all logging and error messages are written. The level
of detail and number of messages are set with the <literal>debug</literal>
option (see below). The logfile can be useful for tracking down a problem with
<application>Privoxy</application> (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.
</para>
<para>
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, <application>Privoxy</application> 3.0.7 and later only log fatal
errors by default.
</para>
<para>
For most troubleshooting purposes, you will have to change that,
please refer to the debugging section for details.
</para>
<para>
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 <quote>man cron</quote>). For Red Hat based Linux distributions, a
<command>logrotate</command> script has been included.
</para>
<para>
Any log files must be writable by whatever user <application>Privoxy</application>
is being run as (on Unix, default user id is <quote>privoxy</quote>).
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@logfile logfile</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="trustfile"><title>trustfile</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
The name of the trust file to use
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>File name, relative to <literal>confdir</literal></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset (commented out)</emphasis>. When activated: trust (Unix) <emphasis>or</emphasis> trust.txt (Windows)</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
The entire trust mechanism is disabled.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
The trust mechanism is an experimental feature for building white-lists and should
be used with care. It is <emphasis>NOT</emphasis> recommended for the casual user.
</para>
<para>
If you specify a trust file, <application>Privoxy</application> will only allow
access to sites that are specified in the trustfile. Sites can be listed
in one of two ways:
</para>
<para>
Prepending a <literal>~</literal> character limits access to this site
only (and any sub-paths within this site), e.g.
<literal>~www.example.com</literal> allows access to
<literal>~www.example.com/features/news.html</literal>, etc.
</para>
<para>
Or, you can designate sites as <emphasis>trusted referrers</emphasis>, by
prepending the name with a <literal>+</literal> 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 <quote>trustfile</quote> 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 <literal>~</literal> designation).
There is a limit of 512 such entries, after which new entries will not be
made.
</para>
<para>
If you use the <literal>+</literal> operator in the trust file, it may grow
considerably over time.
</para>
<para>
It is recommended that <application>Privoxy</application> be compiled with
the <literal>--disable-force</literal>, <literal>--disable-toggle</literal> and
<literal> --disable-editor</literal> options, if this feature is to be
used.
</para>
<para>
Possible applications include limiting Internet access for children.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@#trustfile trust</literallayout>]]>
</sect3>
</sect2>
<!-- ~ End section ~ -->
<!-- ~~~~~ New section ~~~~~ -->
<sect2 id="debugging">
<title>Debugging</title>
<para>
These options are mainly useful when tracing a problem.
Note that you might also want to invoke
<application>Privoxy</application> with the <literal>--no-daemon</literal>
command line option when debugging.
</para>
<sect3 renderas="sect4" id="debug"><title>debug</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Key values that determine what information gets logged.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>Integer values</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>0 (i.e.: only fatal errors (that cause Privoxy to exit) are logged)</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Default value is used (see above).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
The available debug levels are:
</para>
<para>
<programlisting>
debug 1 # Log the destination for each request &my-app; 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 into the logfile
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 &my-app; didn't let through, and the reason why.
debug 2048 # CGI user interface
debug 4096 # Startup banner and warnings.
debug 8192 # Non-fatal errors
</programlisting>
</para>
<para>
To select multiple debug levels, you can either add them or use
multiple <literal>debug</literal> lines.
</para>
<para>
A debug level of 1 is informative because it will show you each request
as it happens. <emphasis>1, 4096 and 8192 are recommended</emphasis>
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).
<!-- LOL -->
</para>
<para>
&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.
</para>
<para>
If you are used to the more verbose settings, simply enable the debug lines
below again.
</para>
<para>
If you want to use pure CLF (Common Log Format), you should set <quote>debug
512</quote> <emphasis>ONLY</emphasis> and not enable anything else.
</para>
<para>
<application>Privoxy</application> has a hard-coded limit for the
length of log messages. If it's reached, messages are logged truncated
and marked with <quote>... [too long, truncated]</quote>.
</para>
<para>
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.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@#debug 1 # Log the destination for each request &my-app; let through.</literallayout>]]>
<![%config-file;[<literallayout>@@#debug 1024 # Log the destination for requests &my-app; didn't let through, and the reason why.</literallayout>]]>
<![%config-file;[<literallayout>@@#debug 4096 # Startup banner and warnings</literallayout>]]>
<![%config-file;[<literallayout>@@#debug 8192 # Non-fatal errors</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="single-threaded"><title>single-threaded</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Whether to run only one server thread.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para><emphasis>None</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Multi-threaded (or, where unavailable: forked) operation, i.e. the ability to
serve multiple requests simultaneously.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
This option is only there for debugging purposes.
<emphasis>It will drastically reduce performance.</emphasis>
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@#single-threaded</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="hostname"><title>hostname</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
The hostname shown on the CGI pages.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>Text</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
The hostname provided by the operating system is used.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
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.
</para>
<para>
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.
</para>
<para>
Note that Privoxy does not validate the specified hostname value.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@#hostname hostname.example.org</literallayout>]]>
</sect3>
</sect2>
<!-- ~ End section ~ -->
<!-- ~~~~~ New section ~~~~~ -->
<sect2 id="access-control">
<title>Access Control and Security</title>
<para>
This section of the config file controls the security-relevant aspects
of <application>Privoxy</application>'s configuration.
</para>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="listen-address"><title>listen-address</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
The IP address and TCP port on which <application>Privoxy</application> will
listen for client requests.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>[<replaceable class="parameter">IP-Address</replaceable>]:<replaceable class="parameter">Port</replaceable></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>127.0.0.1:8118</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Bind to 127.0.0.1 (localhost), port 8118. This is suitable and recommended for
home users who run <application>Privoxy</application> on the same machine as
their browser.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
You will need to configure your browser(s) to this proxy address and port.
</para>
<para>
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.
</para>
<para>
If you leave out the IP address, <application>Privoxy</application> will
bind to all interfaces (addresses) on your machine and may become reachable
from the Internet. In that case, consider using <link
linkend="acls">access control lists</link> (ACL's, see below), and/or
a firewall.
</para>
<para>
If you open <application>Privoxy</application> to untrusted users, you will
also want to make sure that the following actions are disabled: <literal><link
linkend="enable-edit-actions">enable-edit-actions</link></literal> and
<literal><link linkend="enable-remote-toggle">enable-remote-toggle</link></literal>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Example:</term>
<listitem>
<para>
Suppose you are running <application>Privoxy</application> 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:
</para>
<para>
<programlisting>
listen-address 192.168.0.1:8118
</programlisting>
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@listen-address 127.0.0.1:8118</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="toggle"><title>toggle</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Initial state of "toggle" status
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>1 or 0</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>1</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Act as if toggled on
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
If set to 0, <application>Privoxy</application> will start in
<quote>toggled off</quote> mode, i.e. mostly behave like a normal,
content-neutral proxy with both ad blocking and content filtering
disabled. See <literal>enable-remote-toggle</literal> below.
<!--
This is not really useful
anymore, since toggling is much easier via <ulink
url="http://config.privoxy.org/toggle">the web interface</ulink> than via
editing the <filename>conf</filename> file.
Remote toggling is now disabled by default. fk 2007-11-07)
-->
</para>
<para>
The windows version will only display the toggle icon in the system tray
if this option is present.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@toggle 1</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="enable-remote-toggle"><title>enable-remote-toggle</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Whether or not the <ulink url="http://config.privoxy.org/toggle">web-based toggle
feature</ulink> may be used
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>0 or 1</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>0</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
The web-based toggle feature is disabled.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
When toggled off, <application>Privoxy</application> mostly acts like a normal,
content-neutral proxy, i.e. doesn't block ads or filter content.
</para>
<para>
Access to the toggle feature can <emphasis>not</emphasis> be
controlled separately by <quote>ACLs</quote> or HTTP authentication,
so that everybody who can access <application>Privoxy</application> (see
<quote>ACLs</quote> and <literal>listen-address</literal> above) can
toggle it for all users. So this option is <emphasis>not recommended</emphasis>
for multi-user environments with untrusted users.
</para>
<para>
Note that malicious client side code (e.g Java) is also
capable of using this option.
</para>
<para>
As a lot of <application>Privoxy</application> users don't read
documentation, this feature is disabled by default.
</para>
<para>
Note that you must have compiled <application>Privoxy</application> with
support for this feature, otherwise this option has no effect.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@enable-remote-toggle 0</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="enable-remote-http-toggle"><title>enable-remote-http-toggle</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Whether or not Privoxy recognizes special HTTP headers to change its behaviour.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>0 or 1</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>0</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Privoxy ignores special HTTP headers.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
When toggled on, the client can change <application>Privoxy's</application>
behaviour by setting special HTTP headers. Currently the only supported
special header is <quote>X-Filter: No</quote>, to disable filtering for
the ongoing request, even if it is enabled in one of the action files.
</para>
<para>
This feature is disabled by default. If you are using
<application>Privoxy</application> 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.
</para>
<para>
This option will be removed in future releases as it has been obsoleted
by the more general header taggers.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@enable-remote-http-toggle 0</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="enable-edit-actions"><title>enable-edit-actions</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Whether or not the <ulink url="http://config.privoxy.org/show-status">web-based actions
file editor</ulink> may be used
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>0 or 1</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>0</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
The web-based actions file editor is disabled.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
Access to the editor can <emphasis>not</emphasis> be
controlled separately by <quote>ACLs</quote> or HTTP authentication,
so that everybody who can access <application>Privoxy</application> (see
<quote>ACLs</quote> and <literal>listen-address</literal> above) can
modify its configuration for all users.
</para>
<para>
This option is <emphasis>not recommended</emphasis> for environments
with untrusted users and as a lot of <application>Privoxy</application>
users don't read documentation, this feature is disabled by default.
</para>
<para>
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.
</para>
<para>
Note that you must have compiled <application>Privoxy</application> with
support for this feature, otherwise this option has no effect.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@enable-edit-actions 0</literallayout>]]>
</sect3>
<sect3 renderas="sect4" id="enforce-blocks"><title>enforce-blocks</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Whether the user is allowed to ignore blocks and can <quote>go there anyway</quote>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>
<replaceable>0 or 1</replaceable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>0</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Blocks are not enforced.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
<application>Privoxy</application> 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. <application>Privoxy's</application> 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
<application>Privoxy</application> ignore the block.
</para>
<para>
In the default configuration <application>Privoxy's</application>
<quote>Blocked</quote> page contains a <quote>go there anyway</quote>
link to adds a special string (the force prefix) to the request URL.
If that link is used, <application>Privoxy</application> will
detect the force prefix, remove it again and let the request pass.
</para>
<para>
Of course <application>Privoxy</application> 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 <quote>enforce-blocks</quote>
option is for. If it's enabled, <application>Privoxy</application> hides
the <quote>go there anyway</quote> link. If the user adds the force
prefix by hand, it will not be accepted and the circumvention attempt
is logged.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Examples:</term>
<listitem>
<para>
enforce-blocks 1
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@enforce-blocks 0</literallayout>]]>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="acls"><title>
ACLs: permit-access and deny-access</title>
<anchor id="permit-access">
<anchor id="deny-access">
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Who can access what.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>
<replaceable class="parameter">src_addr</replaceable>[/<replaceable class="parameter">src_masklen</replaceable>]
[<replaceable class="parameter">dst_addr</replaceable>[/<replaceable class="parameter">dst_masklen</replaceable>]]
</para>
<para>
Where <replaceable class="parameter">src_addr</replaceable> and
<replaceable class="parameter">dst_addr</replaceable> are IP addresses in dotted decimal notation or valid
DNS names, and <replaceable class="parameter">src_masklen</replaceable> and
<replaceable class="parameter">dst_masklen</replaceable> 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.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Don't restrict access further than implied by <literal>listen-address</literal>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
Access controls are included at the request of ISPs and systems
administrators, and <emphasis>are not usually needed by individual users</emphasis>.
For a typical home user, it will normally suffice to ensure that
<application>Privoxy</application> only listens on the localhost
(127.0.0.1) or internal (home) network address by means of the
<link linkend="listen-address"><emphasis>listen-address</emphasis></link>
option.
</para>
<para>
Please see the warnings in the FAQ that <application>Privoxy</application>
is not intended to be a substitute for a firewall or to encourage anyone
to defer addressing basic security weaknesses.
</para>
<para>
Multiple ACL lines are OK.
If any ACLs are specified, <application>Privoxy</application> only talks
to IP addresses that match at least one <literal>permit-access</literal> line
and don't match any subsequent <literal>deny-access</literal> line. In other words, the
last match wins, with the default being <literal>deny-access</literal>.
</para>
<para>
If <application>Privoxy</application> is using a forwarder (see <literal>forward</literal> below)
for a particular destination URL, the <replaceable class="parameter">dst_addr</replaceable>
that is examined is the address of the forwarder and <emphasis>NOT</emphasis> the address
of the ultimate target. This is necessary because it may be impossible for the local
<application>Privoxy</application> to determine the IP address of the
ultimate target (that's often what gateways are used for).
</para>
<para>
You should prefer using IP addresses over DNS names, because the address lookups take
time. All DNS names must resolve! You can <emphasis>not</emphasis> use domain patterns
like <quote>*.org</quote> or partial domain names. If a DNS name resolves to multiple
IP addresses, only the first one is used.
</para>
<para>
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).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Examples:</term>
<listitem>
<para>
Explicitly define the default behavior if no ACL and
<literal>listen-address</literal> are set: <quote>localhost</quote>
is OK. The absence of a <replaceable class="parameter">dst_addr</replaceable> implies that
<emphasis>all</emphasis> destination addresses are OK:
</para>
<para>
<screen>
permit-access localhost
</screen>
</para>
<para>
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):
</para>
<para>
<screen>
permit-access www.privoxy.org/24 www.example.com/32
</screen>
</para>
<para>
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:
</para>
<para>
<screen>
permit-access 192.168.45.64/26
deny-access 192.168.45.73 www.dirty-stuff.example.com
</screen>
</para>
</listitem>
</varlistentry>
</variablelist>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="buffer-limit"><title>buffer-limit</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Maximum size of the buffer for content filtering.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>Size in Kbytes</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>4096</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Use a 4MB (4096 KB) limit.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
For content filtering, i.e. the <literal>+filter</literal> and
<literal>+deanimate-gif</literal> actions, it is necessary that
<application>Privoxy</application> 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.
</para>
<para>
When a document buffer size reaches the <literal>buffer-limit</literal>, 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 <literal>buffer-limit</literal> Kbytes
<emphasis>each</emphasis>, unless you have enabled <quote>single-threaded</quote>
above.
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@buffer-limit 4096</literallayout>]]>
</sect3>
</sect2>
<!-- ~ End section ~ -->
<!-- ~~~~~ New section ~~~~~ -->
<sect2 id="forwarding">
<title>Forwarding</title>
<para>
This feature allows routing of HTTP requests through a chain of
multiple proxies.
</para>
<para>
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 <application>Privoxy</application> runs on has no direct Internet access.
</para>
<para>
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 <quote>Etag</quote>
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.
</para>
<para>
Also specified here are SOCKS proxies. <application>Privoxy</application>
supports the SOCKS 4 and SOCKS 4A protocols.
</para>
<sect3 renderas="sect4" id="forward"><title>forward</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
To which parent HTTP proxy specific requests should be routed.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>
<replaceable class="parameter">target_pattern</replaceable>
<replaceable class="parameter">http_parent</replaceable>[:<replaceable class="parameter">port</replaceable>]
</para>
<para>
where <replaceable class="parameter">target_pattern</replaceable> is a <link linkend="af-patterns">URL pattern</link>
that specifies to which requests (i.e. URLs) this forward rule shall apply. Use <literal>/</literal> to
denote <quote>all URLs</quote>.
<replaceable class="parameter">http_parent</replaceable>[:<replaceable class="parameter">port</replaceable>]
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: 8080).
Use a single dot (<literal>.</literal>) to denote <quote>no forwarding</quote>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Don't use parent HTTP proxies.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
If <replaceable class="parameter">http_parent</replaceable> is <quote>.</quote>, then requests are not
forwarded to another HTTP proxy but are made directly to the web servers.
</para>
<para>
Multiple lines are OK, they are checked in sequence, and the last match wins.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Examples:</term>
<listitem>
<para>
Everything goes to an example parent proxy, except SSL on port 443 (which it doesn't handle):
</para>
<para>
<screen>
forward / parent-proxy.example.org:8080
forward :443 .
</screen>
</para>
<para>
Everything goes to our example ISP's caching proxy, except for requests
to that ISP's sites:
</para>
<para>
<screen>
forward / caching-proxy.isp.example.net:8000
forward .isp.example.net .
</screen>
</para>
</listitem>
</varlistentry>
</variablelist>
</sect3>
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="socks"><title>
forward-socks4, forward-socks4a and forward-socks5</title>
<anchor id="forward-socks4">
<anchor id="forward-socks4a">
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Through which SOCKS proxy (and optionally to which parent HTTP proxy) specific requests should be routed.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>
<replaceable class="parameter">target_pattern</replaceable>
<replaceable class="parameter">socks_proxy</replaceable>[:<replaceable class="parameter">port</replaceable>]
<replaceable class="parameter">http_parent</replaceable>[:<replaceable class="parameter">port</replaceable>]
</para>
<para>
where <replaceable class="parameter">target_pattern</replaceable> is a
<link linkend="af-patterns">URL pattern</link> that specifies to which
requests (i.e. URLs) this forward rule shall apply. Use <literal>/</literal> to
denote <quote>all URLs</quote>. <replaceable class="parameter">http_parent</replaceable>
and <replaceable class="parameter">socks_proxy</replaceable>
are IP addresses in dotted decimal notation or valid DNS names
(<replaceable class="parameter">http_parent</replaceable>
may be <quote>.</quote> to denote <quote>no HTTP forwarding</quote>), and the optional
<replaceable class="parameter">port</replaceable> parameters are TCP ports,
i.e. integer values from 1 to 65535
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>Unset</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Don't use SOCKS proxies.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
Multiple lines are OK, they are checked in sequence, and the last match wins.
</para>
<para>
The difference between <literal>forward-socks4</literal> and <literal>forward-socks4a</literal>
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.
</para>
<para>
With <literal>forward-socks5</literal> the DNS resolution will happen on the remote server as well.
</para>
<para>
If <replaceable class="parameter">http_parent</replaceable> is <quote>.</quote>, then requests are not
forwarded to another HTTP proxy but are made (HTTP-wise) directly to the web servers, albeit through
a SOCKS proxy.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Examples:</term>
<listitem>
<para>
From the company example.com, direct connections are made to all
<quote>internal</quote> domains, but everything outbound goes through
their ISP's proxy by way of example.com's corporate SOCKS 4A gateway to
the Internet.
</para>
<para>
<screen>
forward-socks4a / socks-gw.example.com:1080 www-cache.isp.example.net:8080
forward .example.com .
</screen>
</para>
<para>
A rule that uses a SOCKS 4 gateway for all destinations but no HTTP parent looks like this:
</para>
<para>
<screen>
forward-socks4 / socks-gw.example.com:1080 .
</screen>
</para>
<para>
To chain Privoxy and Tor, both running on the same system, you would use
something like:
</para>
<para>
<screen>
forward-socks4a / 127.0.0.1:9050 .
</screen>
</para>
<para>
The public <application>Tor</application> 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:
</para>
<para>
<screen>
forward 192.168.*.*/ .
forward 10.*.*.*/ .
forward 127.*.*.*/ .
</screen>
</para>
<para>
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 <application>Privoxy</application>
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.
</para>
<para>
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:
</para>
<para>
<screen>
forward localhost/ .
</screen>
</para>
</listitem>
</varlistentry>
</variablelist>
</sect3>
<![%user-man;[ <!-- not included in config due to length -->
<!-- ~~~~~ New section ~~~~~ -->
<sect3 renderas="sect4" id="advanced-forwarding-examples"><title>Advanced Forwarding Examples</title>
<para>
If you have links to multiple ISPs that provide various special content
only to their subscribers, you can configure multiple <application>Privoxies</application>
which have connections to the respective ISPs to act as forwarders to each other, so that
<emphasis>your</emphasis> users can see the internal content of all ISPs.
</para>
<para>
Assume that host-a has a PPP connection to isp-a.example.net. And host-b has a PPP connection to
isp-b.example.org. Both run <application>Privoxy</application>. Their forwarding
configuration can look like this:
</para>
<para>
host-a:
</para>
<para>
<screen>
forward / .
forward .isp-b.example.net host-b:8118
</screen>
</para>
<para>
host-b:
</para>
<para>
<screen>
forward / .
forward .isp-a.example.org host-a:8118
</screen>
</para>
<para>
Now, your users can set their browser's proxy to use either
host-a or host-b and be able to browse the internal content
of both isp-a and isp-b.
</para>
<para>
If you intend to chain <application>Privoxy</application> and
<application>squid</application> locally, then chaining as
<literal>browser -> squid -> privoxy</literal> is the recommended way.
</para>
<para>
Assuming that <application>Privoxy</application> and <application>squid</application>
run on the same box, your <application>squid</application> configuration could then look like this:
</para>
<para>
<screen>
# Define Privoxy as parent proxy (without ICP)
cache_peer 127.0.0.1 parent 8118 7 no-query
# Define ACL for protocol FTP
acl ftp proto FTP
# Do not forward FTP requests to Privoxy
always_direct allow ftp
# Forward all the rest to Privoxy
never_direct allow all</screen>
</para>
<para>
You would then need to change your browser's proxy settings to <application>squid</application>'s address and port.
Squid normally uses port 3128. If unsure consult <literal>http_port</literal> in <filename>squid.conf</filename>.
</para>
<para>
You could just as well decide to only forward requests you suspect
of leading to Windows executables through a virus-scanning parent proxy,
say, on <literal>antivir.example.com</literal>, port 8010:
</para>
<para>
<screen>
forward / .
forward /.*\.(exe|com|dll|zip)$ antivir.example.com:8010</screen>
</para>
</sect3>
]]>
<sect3 renderas="sect4" id="forwarded-connect-retries"><title>forwarded-connect-retries</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
How often Privoxy retries if a forwarded connection request fails.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>
<replaceable class="parameter">Number of retries.</replaceable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>0</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Connections forwarded through other proxies are treated like direct connections and no retry attempts are made.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
<replaceable class="parameter">forwarded-connect-retries</replaceable> is mainly interesting
for socks4a connections, where <application>Privoxy</application> 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.
</para>
<para>
Note that in the context of this option, <quote>forwarded connections</quote> includes all connections
that Privoxy forwards through other proxies. This option is not limited to the HTTP CONNECT method.
</para>
<para>
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.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Examples:</term>
<listitem>
<para>
forwarded-connect-retries 1
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@forwarded-connect-retries 0</literallayout>]]>
</sect3>
<sect3 renderas="sect4" id="accept-intercepted-requests"><title>accept-intercepted-requests</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Whether intercepted requests should be treated as valid.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>
<replaceable>0 or 1</replaceable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>0</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Only proxy requests are accepted, intercepted requests are treated as invalid.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
If you don't trust your clients and want to force them
to use <application>Privoxy</application>, enable this
option and configure your packet filter to redirect outgoing
HTTP connections into <application>Privoxy</application>.
</para>
<para>
Make sure that <application>Privoxy's</application> own requests
aren't redirected as well. Additionally take care that
<application>Privoxy</application> can't intentionally connect
to itself, otherwise you could run into redirection loops if
<application>Privoxy's</application> listening port is reachable
by the outside or an attacker has access to the pages you visit.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Examples:</term>
<listitem>
<para>
accept-intercepted-requests 1
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@accept-intercepted-requests 0</literallayout>]]>
</sect3>
<sect3 renderas="sect4" id="allow-cgi-request-crunching"><title>allow-cgi-request-crunching</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Whether requests to <application>Privoxy's</application> CGI pages can be blocked or redirected.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>
<replaceable>0 or 1</replaceable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>0</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
<application>Privoxy</application> ignores block and redirect actions for its CGI pages.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
By default <application>Privoxy</application> 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.
</para>
<para>
Don't enable this option unless you're sure that you really need it.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Examples:</term>
<listitem>
<para>
allow-cgi-request-crunching 1
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@allow-cgi-request-crunching 0</literallayout>]]>
</sect3>
<sect3 renderas="sect4" id="split-large-forms"><title>split-large-forms</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Whether the CGI interface should stay compatible with broken HTTP clients.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>
<replaceable>0 or 1</replaceable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para><emphasis>0</emphasis></para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
The CGI form generate long GET URLs.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
<application>Privoxy's</application> 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.
</para>
<para>
Enabling split-large-forms causes <application>Privoxy</application>
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.
</para>
<para>
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.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Examples:</term>
<listitem>
<para>
split-large-forms 1
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@split-large-forms 0</literallayout>]]>
</sect3>
<sect3 renderas="sect4" id="keep-alive-timeout"><title>keep-alive-timeout</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Number of seconds after which an open connection will no longer be reused.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>
<replaceable>Time in seconds.</replaceable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>None</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
Connections are not reused.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
This option has no effect if <application>Privoxy</application>
has been compiled without keep-alive support.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
Note that reusing connections doesn't necessary cause speedups.
There are also a few privacy implications you should be aware of.
</para>
<para>
Outgoing connections are shared between clients (if there are more
than one) and closing the client that initiated the outgoing connection
does not affect the connection between &my-app; 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 <application>Privoxy's</application>
or the server's timeout is reached. While it's open, the server knows
that the system running &my-app; is still there.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Examples:</term>
<listitem>
<para>
keep-alive-timeout 300
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@keep-alive-timeout 300</literallayout>]]>
</sect3>
<sect3 renderas="sect4" id="socket-timeout"><title>socket-timeout</title>
<variablelist>
<varlistentry>
<term>Specifies:</term>
<listitem>
<para>
Number of seconds after which a socket times out if
no data is received.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Type of value:</term>
<listitem>
<para>
<replaceable>Time in seconds.</replaceable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Default value:</term>
<listitem>
<para>None</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Effect if unset:</term>
<listitem>
<para>
A default value of 300 seconds is used.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Notes:</term>
<listitem>
<para>
For SOCKS requests the timeout currently doesn't start until
the SOCKS server accepted the request. This will be fixed in
the next release.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>Examples:</term>
<listitem>
<para>
socket-timeout 300
</para>
</listitem>
</varlistentry>
</variablelist>
<![%config-file;[<literallayout>@@socket-timeout 300</literallayout>]]>
</sect3>
</sect2>
<!-- ~ End section ~ -->
<!-- ~~~~~ New section ~~~~~ -->
<sect2 id="windows-gui">
<title>Windows GUI Options</title>
<para>
<application>Privoxy</application> has a number of options specific to the
Windows GUI interface:
</para>
<anchor id="activity-animation">
<![%config-file;[<para>@@</para>]]> <!-- for spacing -->
<para>
If <quote>activity-animation</quote> is set to 1, the
<application>Privoxy</application> icon will animate when
<quote>Privoxy</quote> is active. To turn off, set to 0.
</para>
<![%config-file;[<literallayout>@@#activity-animation 1</literallayout>]]>
<![%user-man;[
<para>
<literal>
<msgtext>
<literallayout>
<emphasis>activity-animation 1</emphasis>
</literallayout>
</msgtext>
</literal>
</para>
]]>
<anchor id="log-messages">
<![%config-file;[<para>@@</para>]]> <!-- for spacing -->
<para>
If <quote>log-messages</quote> is set to 1,
<application>Privoxy</application> will log messages to the console
window:
</para>
<![%config-file;[<literallayout>@@#log-messages 1</literallayout>]]>
<![%user-man;[
<para>
<literal>
<msgtext>
<literallayout>
<emphasis>log-messages 1</emphasis>
</literallayout>
</msgtext>
</literal>
</para>
]]>
<anchor id="log-buffer-size">
<![%config-file;[<para>@@</para>]]> <!-- for spacing -->
<para>
If <quote>log-buffer-size</quote> 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 <quote>log-max-lines</quote> (see below).
</para>
<para>
Warning: Setting this to 0 will result in the buffer to grow infinitely and
eat up all your memory!
</para>
<![%config-file;[<literallayout>@@#log-buffer-size 1</literallayout>]]>
<![%user-man;[
<para>
<literal>
<msgtext>
<literallayout>
<emphasis>log-buffer-size 1</emphasis>
</literallayout>
</msgtext>
</literal>
</para>
]]>
<anchor id="log-max-lines">
<![%config-file;[<para>@@</para>]]> <!-- for spacing -->
<para>
<application>log-max-lines</application> is the maximum number of lines held
in the log buffer. See above.
</para>
<![%config-file;[<literallayout>@@#log-max-lines 200</literallayout>]]>
<![%user-man;[
<para>
<literal>
<msgtext>
<literallayout>
<emphasis>log-max-lines 200</emphasis>
</literallayout>
</msgtext>
</literal>
</para>
]]>
<anchor id="log-highlight-messages">
<![%config-file;[<para>@@</para>]]> <!-- for spacing -->
<para>
If <quote>log-highlight-messages</quote> is set to 1,
<application>Privoxy</application> will highlight portions of the log
messages with a bold-faced font:
</para>
<![%config-file;[<literallayout>@@#log-highlight-messages 1</literallayout>]]>
<![%user-man;[
<para>
<literal>
<msgtext>
<literallayout>
<emphasis>log-highlight-messages 1</emphasis>
</literallayout>
</msgtext>
</literal>
</para>
]]>
<anchor id="log-font-name">
<![%config-file;[<para>@@</para>]]> <!-- for spacing -->
<para>
The font used in the console window:
</para>
<![%config-file;[<literallayout>@@#log-font-name Comic Sans MS</literallayout>]]>
<![%user-man;[
<para>
<literal>
<msgtext>
<literallayout>
<emphasis>log-font-name Comic Sans MS</emphasis>
</literallayout>
</msgtext>
</literal>
</para>
]]>
<anchor id="log-font-size">
<![%config-file;[<para>@@</para>]]> <!-- for spacing -->
<para>
Font size used in the console window:
</para>
<![%config-file;[<literallayout>@@#log-font-size 8</literallayout>]]>
<![%user-man;[
<para>
<literal>
<msgtext>
<literallayout>
<emphasis>log-font-size 8</emphasis>
</literallayout>
</msgtext>
</literal>
</para>
]]>
<anchor id="show-on-task-bar">
<![%config-file;[<para>@@</para>]]> <!-- for spacing -->
<para>
<quote>show-on-task-bar</quote> controls whether or not
<application>Privoxy</application> will appear as a button on the Task bar
when minimized:
</para>
<![%config-file;[<literallayout>@@#show-on-task-bar 0</literallayout>]]>
<![%user-man;[
<para>
<literal>
<msgtext>
<literallayout>
<emphasis>show-on-task-bar 0</emphasis>
</literallayout>
</msgtext>
</literal>
</para>
]]>
<anchor id="close-button-minimizes">
<![%config-file;[<para>@@</para>]]> <!-- for spacing -->
<para>
If <quote>close-button-minimizes</quote> is set to 1, the Windows close
button will minimize <application>Privoxy</application> instead of closing
the program (close with the exit option on the File menu).
</para>
<![%config-file;[<literallayout>@@#close-button-minimizes 1</literallayout>]]>
<![%user-man;[
<para>
<literal>
<msgtext>
<literallayout>
<emphasis>close-button-minimizes 1</emphasis>
</literallayout>
</msgtext>
</literal>
</para>
]]>
<anchor id="hide-console">
<![%config-file;[<para>@@</para>]]> <!-- for spacing -->
<para>
The <quote>hide-console</quote> option is specific to the MS-Win console
version of <application>Privoxy</application>. If this option is used,
<application>Privoxy</application> will disconnect from and hide the
command console.
</para>
<![%config-file;[<literallayout>@@#hide-console</literallayout>]]>
<![%user-man;[
<para>
<literal>
<msgtext>
<literallayout>
#<emphasis>hide-console</emphasis>
</literallayout>
</msgtext>
</literal>
</para>
]]>
</sect2>
</sect1>
<!-- end config content common to both outputs -->
<![%config-file;[
<!-- These are dummy anchors to keep the processor quiet -->
<!-- when building config-file only (ie. they are used in u-m only) -->
<sect1 label="">
<title></title>
<anchor id="filter">
<anchor id="filter-file">
<anchor id="regex">
<anchor id="actions-file">
<anchor id="af-patterns">
</sect1>
]]>
<!-- eof p-config.sgml -->
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