<p>The non-standard option letter <tt class="LITERAL">D</tt> (dynamic)
allows to use the variables $host, $origin (the IP address the request
- came from), $path and $url. They will be replaced with the value they
- refer to before the filter is executed.</p>
+ came from), $path, $url and $listen-address (the address on which Privoxy
+ accepted the client request. Example: 127.0.0.1:8118). They will be
+ replaced with the value they refer to before the filter is executed.</p>
<p>Note that '$' is a bad choice for a delimiter in a dynamic filter as
you might end up with unintended variables if you use a variable name
<p>External filters read the content from STDIN and write the rewritten
content to STDOUT. The environment variables PRIVOXY_URL, PRIVOXY_PATH,
- PRIVOXY_HOST, PRIVOXY_ORIGIN can be used to get some details about the
- client request.</p>
+ PRIVOXY_HOST, PRIVOXY_ORIGIN, PRIVOXY_LISTEN_ADDRESS can be used to get
+ some details about the client request.</p>
<p><span class="APPLICATION">Privoxy</span> will temporary store the
content to filter in the <tt class="LITERAL"><a href=