Date: Thu, 14 Feb 2002 11:11:40 -0500 From: "Joe & Fhe Barbish" <barbish@a1poweruser.com> To: "FBSD" <freebsd-questions@FreeBSD.ORG> Cc: "Fn" <freebsd-newbies@FreeBSD.ORG>, "FI" <freebsd-isp@FreeBSD.ORG> Subject: IPFW statefull rules how-to Message-ID: <LPBBIGIAAKKEOEJOLEGOCEIMCHAA.barbish@a1poweruser.com>
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For the archives.
For all of you who have questions about coding stateful rules in IPFW.
I have read many posts asking questions about IPFW Stateful Filtering
and never really saw any replies that were useful. While searching the
net today I came across this and saw how good it was, I decided to post
it for the archives.
Do you want to know the difference between
add 1000 allow tcp from any to any established
add 2000 allow tcp from any to any 22 in setup
and
add 1000 check-state
add 2000 allow tcp from any to any 22 in setup keep-state
For a complete and detailed explanation read the
Introduction to Stateless and Stateful Filtering section at this link.
http://www.darthik.com/freebsd-docs/Ipfw-HOWTO.txt
I
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