Date: Mon, 20 Nov 2000 12:32:08 -0600 From: Hamilton Hoover <hamilton@twopoint.com> To: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, "freebsd-questions@FreeBSD.ORG" <freebsd-questions@freebsd.org> Subject: dual homed gateway system running ipfw and nat. need rules help. Message-ID: <3A196E28.3A9806A1@twopoint.com>
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Hi all,
I am running a dual homed system (2 nics) acting as a gateway/firewall
for our office T1. The private net uses 192.x.x.x and the public uses a
'real' address of 209.x.x.x. The firewall is up and seems to be working
well. I used rc.firewall "simple" and have customized it to our needs.
All outgoing requests appear to to originating from the public
interface. I want to be able to do two things that I have not been able
to figure out yet.
1) We keep out pop server on the private net. I need to be able to get
the incoming mail passed to the mail server that has a 192.x.x.x
address. I was thinking something like:
${fwcmd} pass tcp from any 25 to 192.x.x.x
Is this solid or am I opening myself up from more problems. I don't want
to relay from outside as mail is only checked from inside the private
side.
2) We want to be able to use the gateway/firewall as a PPTP server.
After asking a few questions I decided to go with mpd. I have installed
this and that seems ok. But I also need a rule to allow the incoming
connection from the public net. All connections will be coming from home
users running win9x who have static 'real' ip address. Also as i have
never used mpd or set up a vpn any suggestions on this set up would be
wonderfully helpful.
Hamilton Hoover
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