Re: [squid-users] squid and mails

In message <20030419123720.GA8939@charite.de> (on 19 April 2003 14:37:20
+0200), Ralf.Hildebrandt@charite.de (Ralf Hildebrandt) wrote:
>* Payal Rathod <linux@rpayal.cjb.net>:
>
>> Few days back someone on IRC mentined people can send mails thru' *http*. Is
>> it true?
>
>Yes. It's called "open proxy".
>
>> Where is squid involved in this?
>
>If Squid is misconfigured and
>
>a) allows anybody to use it to
>b) connect to privileged Ports, like 25
>
>then one can send mail via such an open proxy.

Quite. If people want to check on whether their Squid installation has been
reported as being abused thus, put its IP address into the form at
http://openrbl.org. There are a large number of blacklists listed there,
including a number for proxying (and a number of others for other problems).

          -Allen

-- 
Allen Smith                       http://cesario.rutgers.edu/easmith/
February 1, 2003                               Space Shuttle Columbia
Ad Astra Per Aspera                     To The Stars Through Asperity