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Date:      Wed, 23 Jun 2010 20:30:22 +0200
From:      claudiu vasadi <claudiu.vasadi@gmail.com>
To:        freebsd-pf@freebsd.org
Subject:   can pf block a string ? or better, to limit it ?
Message-ID:  <AANLkTima26GreX5jtmdJiR2FbNiB5O4ixN92oqxktTmb@mail.gmail.com>

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Hello fellas,


system: freebsd 8.0 with pf


A couple of years ago I wanted to limit a string with pf and I could not
find a way to do it.

Back in the day, I was running a dc++ software on FreeBSD and the most
common way of flood was this "string attack". The idea was simple: more than
"x" number of packages containing this "string" = dc++ software stuck. I
remember a friend of mine was able to limit the number per second to
something but I was unable to do the same in pf. Back then I was using
FreeBSD6.2 but I can't find a way to do it even now.


Can someone shed some light ? Were you trying something similar ?



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