Re: FreeBSD 4.2 ipfw natd -- Port Forwarding?

["Michael A. Williams" <mike () netxsecure net>]

Russ wrote:
> Hi, fist time poster, thanks for the cool mailing list...
>
> I am using FreeBSD 4.2 and have set up a pretty good firewall using ipfw
> and natd via some tutorials and documentation I have found. So it works but
> now I need to customize it a little...
>
> Question:  How can I allow incoming connections through my firewall.  The
> client lets me specify what port to listen to incoming requests on, before
> I was using a router that had built in port forwarding... So the client is
> set to listen on 8877 and router forwards incoming request to port 8877 to
> computer with ip 192.168.1.3 for port 8877, you get the picture?

This probably should be on freebsd-questions :)
Look at man natd for redirect_port, 
combined with deny_incoming works well especially if you are planning to
deny all inbound connections apart form pre configured redirects.

Mike.

-- 
Michael A. Williams, InfoSec Technology Manager
NetXSecure NZ Limited, mike () netxsecure net www.netxsecure.com
Ph.+64.9.278.8348, Fax.+64.9.278.8352, Mob.+64.21.995.914

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