Date: Sun, 19 Nov 2000 00:11:56 +0100 From: Manuel Enrique Garcia Cuesta <megarcia@intercom.es> To: Sam Carleton <scarleton@bigfoot.com> Cc: FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: need help setting up firewall Message-ID: <20001119001156.F1196@ilex.kicelo.org> In-Reply-To: <3A170674.1DFCF40@bigfoot.com> References: <3A170674.1DFCF40@bigfoot.com>
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=== Sam Carleton escribia (Sat, Nov 18, 2000 at 05:45:08PM -0500): > I have read through the “Setting-up a Dual-Homed Host using IPFW and > NATD”, but the script is not working for me. My setup is a bit > different. My connectivity is via a cable modem. > > * In the article, it looks like the author was setup with a static > external IP address. I have a dynamic ip address. How do I allow the > DHCP server (Cable Modem) broadcasts to get to my outside NIC? Never done this myself, but I guess you have to allow the packets in through your external interface. Check /etc/services for the port numbers. > * In the article, the author is only allowing the inside connections to > connect to known DNS servers. I run a caching DNS server on the inside > so I need to have the firewall configured so that the internal DNS > server can talk to any other DNS server. Your rules look ok to me. > > * In the article, it looks like the author is allowing things like HTTP > and SSH to come into the firewall machine. I want those things to be > passed onto another internal machine. You can use natd's -redirect_port option. Hope this helps Manuel Garcia To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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