Date: Tue, 29 Jul 2003 18:02:57 -0500 From: "Micheal Patterson" <micheal@cancercare.net> To: "William Knechtel" <wknechtel@psi-np.org>, <freebsd-questions@freebsd.org> Subject: Re: Help with FreeBSD Bridged Firewall Message-ID: <00ad01c35625$8ea48070$0201a8c0@dredster> References: <000c01c35620$6f401a00$44d37b80@ad.psinp.org>
next in thread | previous in thread | raw e-mail | index | archive | help
----- Original Message ----- From: "William Knechtel" <wknechtel@psi-np.org> To: <freebsd-questions@freebsd.org> Sent: Tuesday, July 29, 2003 5:26 PM Subject: Help with FreeBSD Bridged Firewall > Hello! > > Help!! I'm running a PC with dual NICs and FreeBSD 4.8 as a bridged > firewall. I've got a private IP 10.0.0.1 tied to the internal card on > the > box for remote management. The firewall blocks any 10.x traffic coming > in on > the external card, so to remotely admin it, I have to shell into a > machine > on the same isolated network segment that it's on, and then shell over > from > that machine. > > Today around noon, the machine suddenly stopped responding to pings. I > went > down to the server room and couldn't find anything wrong. No notes on > the > console screen, no anomalous entries in the security or message logs. > So, in > the interest of getting it back up quickly, I rebooted it. That worked. > About an hour later, the same thing happened... my network monitor tells > me > that it's not responding to pings. So before I go down to the server > room, I > run a few tests... the firewall is still blocking packets like a champ. > I > run nmap against a host the firewall protects, and everything comes back > fine. But when I go downstairs to the console, I can't ping out to it's > 10.0.0.2 buddy, and no incoming pings work either. I'm at a loss on how > to > troubleshoot this, folks. I could really use a few ideas, so please > send > them along! > > Thanks in Advance! > Bill > Is this server directly behind your router and does it have a valid routeable ip on it also? -- Micheal Patterson Network Administration Cancer Care Network 405-733-2230
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?00ad01c35625$8ea48070$0201a8c0>