IMHO this is the main disadvantage of FreeBSD and IPFW.

Sure Linux has a better support on string match for IPS.

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Message: 1
Date: Wed, 9 Nov 2005 11:52:35 -0300
From: "Cesar" <[EMAIL PROTECTED]>
Subject: String Match
To: <freebsd-ipfw@freebsd.org>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
        reply-type=original

An interesting thing in iptables is that option to match strings, like this 
example:

iptables -A FORWARD -p TCP -m string --string "BitTorrent protocol" -j 
REJECT --reject-with tcp-reset
iptables -A FORWARD -p TCP -m string --string "GET /announce" -j 
REJECT --reject-with tcp-reset

Did anyone wrote a similar patch to ipfw? or ... Is this something desirable

to ipfw which the developers will put in the future?

Thanks 



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