Date: Wed, 12 May 2004 11:56:07 +0930 From: Tim Aslat <tim@spyderweb.com.au> To: freebsd security list <freebsd-security@freebsd.org> Subject: quick FW question Message-ID: <20040512115607.23ac80ea@bofh.spyderweb.com.au>
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I hope this isn't too off topic, but I'd like a quick solution to a problem. I have a small network behind a NAT firewall (FreeBSD of course) and I'd like to block/redirect all traffic from the internal network to the local mail server (same box as firewall) in order to prevent direct smtp requests to the outside world (mainly virus/trokan programs). I think I have it right in this rule, but I would prefer to get a second, or even a third opinion. ipfw add fwd 127.0.0.1,25 tcp from any to me dst-port 25 Cheers Tim -- Tim Aslat <tim@spyderweb.com.au> Spyderweb Consulting http://www.spyderweb.com.au Phone: +61 0401088479
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