Date: Mon, 27 Jul 1998 00:55:00 -0700 (PDT) From: "Jan B. Koum " <jkb@best.com> To: Jesse <j@lumiere.net> Cc: freebsd-security@FreeBSD.ORG Subject: Re: ipfw rules to allow DNS activity Message-ID: <Pine.BSF.3.96.980727005011.23978A-100000@shell6.ba.best.com> In-Reply-To: <Pine.BSF.3.96.980727001106.118A-100000@leaf.lumiere.net>
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Take a look at /etc/rc.firewall: # Allow DNS queries out in the world ipfw add pass udp from any 53 to ${ip} ipfw add pass udp from ${ip} to any 53 You will need to enable same setup as above but for tcp for zone transfers (someone correct me if I am wrong). Also take a look at FreeBSD ipfw Configuration Page: http://www.metronet.com/~pgilley/freebsd/ipfw -- Yan Jan Koum jkb@best.com | "Turn up the lights; I don't want www.FreeBSD.org -- The Power to Serve | to go home in the dark." "Write longer sentences - they are paying us a lot of money" On Mon, 27 Jul 1998, Jesse wrote: > >Hi, > >I'm thinking of changing one of my boxes which is running bind (performing >primary secondary DNS functions) from >allow-anything-except-things-specifically-denied ipfw rules to >deny-everything-except-things-specifically-allowed rules (open vs closed? >hehe). Anyway, I was wondering what are the minimum rules necessary to >allow DNS queries/transfers from other servers to my server, and also to >allow queries from my server to other servers. > >I tried a variety of rules from the rc.firewall file, but it's still >blocking some traffic, so there must be something I'm missing. > >Thanks! :) > >--- >Jesse <j@lumiere.net> >http://www.lumiere.net/ > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe security" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe security" in the body of the message
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