Salve!,
Somebody asked me to implement a porn-filering firewall for their company. I know that SQUID has a lot of features for stuff like that, but I recently played around with HTTP::Proxy and liked the fact that I could use my perl knowledge to implement filters and rules - so my initial idea is to simply block all outbound traffic on the masquerading router, and only allow HTTP traffic via a perl Proxy, which filters all traffic, blocking sites that contain any blacklisted words, or are on a blacklisted domain. Is this feasible, or am i overlooking something obvious? I know that no filter will ever be perfect, but would this work for a ca. 20 employee-company, running on some pentium 2 or 3 hardware, on a ca. 512kbps link?

In reply to using HTTP::PROXY instead of SQUID as a company firewall by schweini

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.