Date: Wed, 24 Nov 1999 09:59:36 +0100 From: Jeroen Ruigrok van der Werven <asmodai@bart.nl> To: Ben Goodwin <ben-lists@atomicmatrix.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: IPFW letting me in when it shouldn't?? Message-ID: <19991124095936.A58890@lucifer.bart.nl> In-Reply-To: <002101bf3658$4e08ba40$6a477392@dsg.atomicmatrix.net>; from ben-lists@atomicmatrix.net on Wed, Nov 24, 1999 at 03:45:48AM -0500 References: <002101bf3658$4e08ba40$6a477392@dsg.atomicmatrix.net>
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-On [19991124 09:50], Ben Goodwin (ben-lists@atomicmatrix.net) wrote: >I have a 3.3R machine that's acting as a firewall. It's placed between my >router and my lan. I have a fairly lengthy rc.firewall, so I won't post it >yet .. I'm figuring that the problem I'm about to describe is either a known >issue or a "oh, you dummy, you forgot to do this" type of thing. >If I telnet to, say, port 111 from the outside world to a particular server >behind said firewall, I get denied (the telnet just "hangs", and the console >shows a refused entry). However, if I telnet to, say, port 25, which is >allowed thru, disconnect, and then try port 111 again, I'm allowed through! >If I wait 15 seconds, and try port 111 again, I'm disallowed. What's going >on here? Without your firewall rules we can't tell for sure. -- Jeroen Ruigrok van der Werven Network- and systemadministrator <asmodai@bart.nl> bART Internet Services / Tel: +31 - (0) 10 - 240 39 70 VIA NET.WORKS Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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