Date: Fri, 21 Jan 2000 13:08:46 -0300 (GMT) From: Fernando Schapachnik <fpscha@ns1.via-net-works.net.ar> To: avalon@coombs.anu.edu.au (Darren Reed) Cc: fpscha@via-net-works.net.ar, freebsd-security@FreeBSD.ORG Subject: Re: bugtraq posts: stream.c - new FreeBSD exploit? Message-ID: <200001211608.NAA24882@ns1.via-net-works.net.ar> In-Reply-To: <200001211408.BAA12379@cairo.anu.edu.au> from Darren Reed at "Jan 22, 0 01:08:45 am"
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En un mensaje anterior, Darren Reed escribió: > In some mail from Fernando Schapachnik, sie said: > > > > En un mensaje anterior, Darren Reed escribió: > > > btw, I think the better way to write the 3 rules is: > > > > > > block in quick proto tcp from any to any head 100 > > > pass in quick proto tcp from any to any flags S keep state group 100 > > > pass in all > > > > I usually work with ipfw, so I'm a newbie with ipfilter. > > > > I loaded a 3.3-R with an ipfilter enabled kernel. > > > > Then ipf -l block -f /file_with_rules > > > > Suprisingly: > [...] > > That's to be expected. It only lets through `new' connections. > You may (or may not) want to reboot. I see the same if I try to start a new connection after turning ipfilter on. Does it keeps record of inside initated connection or I have to do something else? TIA! Fernando P. Schapachnik Administración de la red VIA NET.WORKS ARGENTINA S.A. fernando@via-net-works.net.ar (54-11) 4323-3333 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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