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BOOK / HTTP-Proxy-0.13 / eg / README 
The eg/ directory holds a few example proxies.

 * proxy.pl

   A very simple proxy.

   Filter: none

 * anonymiser.pl

   A simple anonymizing proxy, similar in functionnality to the one
   shown by Randal L. Schwartz in his WebTechniques #11 column.
   http://www.stonehenge.com/merlyn/WebTechniques/col11.html

   Filter: HTTP::Proxy::HeaderFilter::simple

 * proxy-auth.pl

   A very simple proxy, with Basic authentication.

   Filter: HTTP::Proxy::HeaderFilter::simple

 * leet.pl
 * rot13.pl
 * rainbow.pl

   These filters do simple modifications of all HTML pages.

   Filters: HTTP::Proxy::BodyFilter::tags
            HTTP::Proxy::BodyFilter::simple
            HTTP::Proxy::BodyFilter::htmltext

 * outline.pl

   These proxy do more complicated modifications of HTML pages, and
   require a HTML::Parser object to do so.

   Filter: HTTP::Proxy::BodyFilter::htmlparser

 * post.pl

   This filter outputs the request URI and the form parameters of
   all POST requests.

 * logger.pl

   This filter outputs the important information out of GET and POST
   requests: method, URI, cookies, content-type (text/*) and POST
   request parameters.

   Filter: HTTP::Proxy::HeaderFilter::simple

 * adblock.pl

   This is a very simple proxy that block ad sites.

   Filters: HTTP::Proxy::HeaderFilter::simple
            HTTP::Proxy::BodyFilter::simple

 * trim.pl

   A simple proxy that trims lines of HTML text.

   Filters: HTTP::Proxy::BodyFilter::lines
            HTTP::Proxy::BodyFilter::simple

 * javascript.pl

   A proxy that adds anything/javascript at the beginning of a HTML page.
   (right after the <body> tag)

   Filter: HTTP::Proxy::BodyFilter::htmlparser