[privoxy.git] / doc / source / privoxy-man-page.sgml

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 Copyright (C) 2001, 2002 Privoxy Developers <developers@privoxy.org>
 See LICENSE.

 ========================================================================
 NOTE: Please read developer-manual/documentation.html before touching 
 anything in this, or other Privoxy documentation. 
 ========================================================================

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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.1//EN"[
<!entity % dummy "IGNORE"> 
<!entity p-intro SYSTEM "privoxy.sgml">
<!entity seealso SYSTEM "seealso.sgml">
<!entity copyright SYSTEM "copyright.sgml">
<!entity license SYSTEM "license.sgml">
<!entity authors SYSTEM "p-authors.sgml">
<!entity p-version SYSTEM "doc_version.tmp">
<!entity p-status SYSTEM "doc_status.tmp">
<!entity % p-not-stable "IGNORE">
<!entity % p-stable "IGNORE">
<!entity % p-alpha "IGNORE">
<!entity % p-beta "IGNORE">
<!entity % p-text "IGNORE">           <!-- define we are not a text only doc -->
<!entity % p-authors-formal "IGNORE"> <!-- exclude additional formating      -->
<!entity my-copy "(C)">               <!-- db2man barfs on copyright symbol  -->
]>

<refentry id="privoxy">
<refentryinfo>
 <date>2002-05-14</date>
</refentryinfo>
<refmeta>
 <refentrytitle>privoxy</refentrytitle> 
 <manvolnum>1</manvolnum>
 <refmiscinfo>
  Privoxy &p-version;<![%p-not-stable;[ &p-status;]]>
 </refmiscinfo>
</refmeta>

<refnamediv>
 <refname><application>privoxy</application></refname>
 <refpurpose>Privacy Enhancing Proxy</refpurpose>
</refnamediv>

<refsynopsisdiv>
 <cmdsynopsis> 
  <command>privoxy</command>
  <arg><option>--help</option></arg>
  <arg><option>--version</option></arg>
  <arg><option>--no-daemon</option></arg>
  <arg><option>--pidfile </option><replaceable class="parameter">pidfile</replaceable></arg>  
  <arg><option>--user </option><replaceable class="parameter">user[.group]</replaceable></arg> 
  <arg><replaceable class="parameter">configfile</replaceable></arg>        
  <command>(UNIX)</command>
 </cmdsynopsis>

 <cmdsynopsis> 
  <command>privoxy.exe</command>              
  <arg><replaceable class="parameter">configfile</replaceable></arg>
  <command>(Windows)</command>
 </cmdsynopsis>                                      
</refsynopsisdiv>


<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>Options</title>
 <para>
  <command>Privoxy</command> may be invoked with the following command line
  options:
 </para>

 <variablelist>                                          
  <varlistentry>
    <term>--help</term>
      <listitem>
       <para>
         Print brief usage info and exit.
        </para>
      </listitem>
  </varlistentry>

  <varlistentry>
    <term>--version</term>
      <listitem>
       <para>
         Print version info and exit.
        </para>
      </listitem>
  </varlistentry>

  <varlistentry>
    <term>--no-daemon</term>
     <listitem>
      <para>
        Don't  become  a daemon, i.e. don't fork and become process group
        leader, don't detach from controlling tty, and do all logging there.
      </para>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term>--pidfile <replaceable class="parameter">pidfile</replaceable></term>
     <listitem>
      <para>
        On startup, write the process ID to <replaceable class="parameter">pidfile</replaceable>.
        Delete the <replaceable class="parameter">pidfile</replaceable> on exit.
        Failiure to create or delete the <replaceable class="parameter">pidfile</replaceable>
        is non-fatal. If no <command>--pidfile</command> option is given, no PID file will be used.
      </para>
    </listitem>
  </varlistentry>

  <varlistentry>
    <term>--user <replaceable class="parameter">user[.group]</replaceable></term>
     <listitem>
      <para>
       <!-- Note: replaceable is maybe the wrong tag, but generates  -->
       <!-- correct looking man output.                              -->
       After (optionally) writing the PID file, assume the user ID of
       <replaceable class="parameter">user</replaceable> and the GID of
       <replaceable class="parameter">group</replaceable>, or, if the optional
       <replaceable class="parameter">group</replaceable> was not given, the default group of
       <replaceable class="parameter">user</replaceable>. Exit if the privileges are not
       sufficient to do so.
     </para>
    </listitem>
  </varlistentry>
 </variablelist>
 
 <para>
  If the <filename>configfile</filename> is not specified on  the  command  line,
  <command>Privoxy</command>  will  look for a file named
  <filename>config</filename> in the current directory (except on Win32 where
  it will try <filename>config.txt</filename>). If no
  <filename>configfile</filename> is found, <command>Privoxy</command> will 
  fail to start.
 </para>

</refsect1>


<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>Description</title>
<!-- Include privoxy.sgml boilerplate: -->
 &p-intro;
<!-- end boilerplate -->
</refsect1>


<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>Installation and Usage</title>
<para>
 Browsers must be individually configured to use <command>Privoxy</command> as
 a HTTP proxy.  The default setting is  for  localhost,  on port  8118
 (configurable in the main config file).  To set the HTTP proxy in Netscape
 and Mozilla, go through:  <command>Edit</command>;
 <command>Preferences</command>;  <command>Advanced</command>;
 <command>Proxies</command>;  <command>Manual Proxy Configuration</command>;
 <command>View</command>. 
</para>
<para>
 For Internet Explorer, go through: <command>Tools</command>; 
 <command>Internet Properties</command>; <command>Connections</command>;
 <command>LAN Settings</command>. 
</para>
<para>
 The Secure (SSL) Proxy should also be set to the same values, otherwise
 https: URLs will not be proxied. Note: <command>Privoxy</command> can only
 proxy HTTP and HTTPS traffic. Do not try it with FTP or other protocols.
</para>
<para>
 For other browsers, check the documentation.
</para>
</refsect1>


<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>Configuration</title>
<para>
 <command>Privoxy</command> can be configured with the various configuration
 files. The default configuration files are: <filename>config</filename>,
 <filename>default.filter</filename>, and
 <filename>default.action</filename>. <filename>user.action</filename> should 
 be used for locally defined exceptions to the default rules of
 <filename>default.action</filename> These are all well commented.  On Unix
 and Unix-like systems, these are located in
 <filename>/etc/privoxy/</filename> by default. On Windows, OS/2 and AmigaOS,
 these files are in the same directory as the <command>Privoxy</command>
 executable.
</para>
<para>
 The name and number of configuration files has changed from previous
 versions<![%p-not-stable;[, and is subject to change as development
 progresses]]>. In fact, the configuration itself is changed  and  much more
 sophisticated. See the <ulink
 url="http://www.privoxy.org/user-manual/">user-manual</ulink> for a complete
 explanation of all configuration options and general usage, and notes for 
 upgrading from <command>Junkbuster</command> and earlier <command>Privoxy</command>
 versions.
</para>
<para>
 The actions list (ad blocks, etc) can also be configured with your
 web browser at <ulink url="http://config.privoxy.org/">http://config.privoxy.org/</ulink>.
 <command>Privoxy's</command> configuration parameters  can also  be viewed at
 the same page. In addition, <command>Privoxy</command> can be toggled on/off.
 This is an internal page, and does not require Internet access.
</para>
</refsect1>


<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>Sample Configuration</title>
<para>
 A brief example of what a simple <filename>default.action</filename>
 configuration might look like:
</para>

<literallayout>
 # Define a few useful custom aliases for later use
 {{alias}}

 # Useful aliases
 +crunch-cookies = +crunch-incoming-cookies +crunch-outgoing-cookies
 -crunch-cookies = -crunch-incoming-cookies -crunch-outgoing-cookies
 +imageblock      = +block +handle-as-image

 # Fragile sites should have the minimum changes
 fragile     = -block -deanimate-gifs -fast-redirects -filter \
               -hide-referer -prevent-cookies -kill-popups

 ## Turn some actions on ################################
 { \
 -add-header \
 -block \
 +deanimate-gifs{last} \
 -downgrade-http-version \
 -fast-redirects \
 +filter{html-annoyances} \
 +filter{js-annoyances} \
 +filter{content-cookies} \
 +filter{webbugs} \
 +filter{banners-by-size} \
 +hide-forwarded-for-headers \
 +hide-from-header{block} \
 +hide-referrer{forge} \
 -hide-user-agent \
 -handle-as-image \
 +set-image-blocker{pattern} \
 -limit-connect \
 +prevent-compression \
 +session-cookies-only \
 -crunch-cookies \
 -kill-popups \
 }
 /   # '/' Matches *all* URL patterns
 
 # Block, and treat these URL patterns as if they were 'images'.
 # We would expect these to be ads.
 {+imageblock}
  .ad.doubleclick.net
  .a[0-9].yimg.com/(?:(?!/i/).)*$
  ad.*.doubleclick.net

 # Block any URLs that match these patterns
 {+block}
  ad*.
  .*ads.
  banner?.
  /.*count(er)?\.(pl|cgi|exe|dll|asp|php[34]?)
  .hitbox.com 

 # Make exceptions for these harmless ones that would be 
 # caught by our +block patterns just above.
 {-block}
  adsl.
  advice.
  .*downloads.

</literallayout>

<para>
 Then for a <filename>user.action</filename>, we would put local,
 narrowly defined exceptions:
</para>

<literallayout>
 # Re-define aliases as needed here
 {{alias}}

 # Useful aliases
 -crunch-cookies = -crunch-incoming-cookies -crunch-outgoing-cookies
 
 # Set personal exceptions to the policies in default.action #######

 # Sites where we want persistant cookies, so allow *all* cookies
 {-crunch-cookies -session-cookies-only}
  .redhat.com
  .sun.com
  .msdn.microsoft.com
 
 # This site breaks easily.
 {-block -fast-redirects}
  .forbes.com

</literallayout>

<para>
 See the comments in the configuration files themselves, or the 
 <citetitle>user-manual</citetitle>
 for explanations of the above syntax, and other <command>Privoxy</command>
 configuration options.
</para>

</refsect1>


<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>Files</title>
<!-- this is a cheesy way to do this, but WTF. -->
<literallayout> 
 <filename>/usr/sbin/privoxy</filename>
 <filename>/etc/privoxy/config</filename>
 <filename>/etc/privoxy/default.action</filename>
 <filename>/etc/privoxy/standard.action</filename>
 <filename>/etc/privoxy/user.action</filename>
 <filename>/etc/privoxy/default.filter</filename>
 <filename>/etc/privoxy/trust</filename>
 <filename>/etc/privoxy/templates/*</filename>
 <filename>/var/log/privoxy/logfile</filename>
</literallayout>

<para>
 Various other files should be included, but may vary depending on platform
 and build configuration. More documentation should be included in the local
 documentation directory.
</para>

</refsect1>


<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>Signals</title>
<para>
 <!-- command tag is used here to get proper looking format  -->
 <command>Privoxy</command> terminates on the <command>SIGINT</command>,
 <command>SIGTERM</command> and <command>SIGABRT</command> signals. Log
 rotation scripts may cause a re-opening of the logfile by sending a 
 <command>SIGHUP</command> to <command>Privoxy</command>. Note that unlike
 other daemons,  <command>Privoxy</command> does not need to be made aware of
 config file changes by <command>SIGHUP</command> -- it will detect them
 automatically. 
</para>

</refsect1>

<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>Notes</title>
<![%p-not-stable;[
<para>
 This is a &p-status; version of <command>Privoxy</command>. Buyer beware! Do 
 not use in production situations.]]> 
<![%p-beta;[ Not all features are well tested. </para>]]>
<![%p-alpha;[ Various features may be partially implemented, and 
other stages of brokenness may well exist. Documentation may also be out of 
sync with current code.</para>]]>
<para>
 Please see the <citetitle>User Manual</citetitle> on how to contact the
 developers for feature requests, reporting problems, and other questions.
</para>

</refsect1>

<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>See Also</title>
<!-- Include seealso.sgml boilerplate: -->
 &seealso;
<!-- end boilerplate -->
</refsect1>

<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>Development Team</title>
<!-- Include p-authors.sgml boilerplate: -->
 &authors;
<!-- end boilerplate -->
</refsect1>

<!--   ~~~~~       New section      ~~~~~     -->
<refsect1><title>Copyright and License</title>

<refsect2><title>Copyright</title>
<!-- Include copyright.sgml boilerplate: -->
 &copyright;
<!-- end boilerplate -->
</refsect2>

<refsect2><title>License</title>
<!-- Include license.sgml boilerplate: -->
 &license;
<!-- end boilerplate -->
</refsect2>
</refsect1>

</refentry>