Date: Thu, 25 Sep 1997 23:37:40 -0600 (MDT) From: Nate Williams <nate@mt.sri.com> To: "Daniel O'Callaghan" <danny@panda.hilink.com.au> Cc: Nate Williams <nate@mt.sri.com>, Don Lewis <Don.Lewis@tsc.tdk.com>, security@freebsd.org Subject: Re: rc.firewall weakness? Message-ID: <199709260537.XAA21334@rocky.mt.sri.com> In-Reply-To: <Pine.BSF.3.91.970926131247.262Q@panda.hilink.com.au> References: <199709260216.UAA20908@rocky.mt.sri.com> <Pine.BSF.3.91.970926131247.262Q@panda.hilink.com.au>
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> > > You've got it, which is why I only permit UDP 53<->53 and 123<->123. > > > > How do you do that? You must not be using IPFW, since it really doesn't > > allow the ability to permit <port>-<port>. > > What about: > > ipfw add 1000 allow udp from any 53 to 1.2.3.4 53 in It doesn't work that way. ;( Nate
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