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Date:      Wed, 20 Mar 2002 22:36:01 +0100
From:      Paul Everlund <tdv94ped@cs.umu.se>
To:        Paulius Bulotas <paulius@kaktusas.org>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: ipfw rules
Message-ID:  <3C9900C1.DB3A632D@cs.umu.se>
References:  <3C992774.D763B085@froekjaer.org> <200203201744.15491@silver.dt1.binity.net> <20020320194803.GA88168@kaktusas.org>

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Paulius Bulotas wrote:
> 
> On 02 03 20, Walter Hop wrote:
> > ipfw add 03300 allow udp from me to 194.109.6.66 53 keep-state via tun0
> > ipfw add 03301 allow udp from me to 194.109.9.99 53 keep-state via tun0
> 
> possibly I could be wrong, but does udp supports keep-state? udp is
> connectionless protocol, as far as I remember ;) so these rules are
> wrong (but still could be working, just keep-state is not useful?)

Keep state should work, even if it's a connectionless protocol. Setup will
on the other hand not work. Keep state checks IP-addresses and ports so
therefore it will work even with UDP.

Best regards,
Paul

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