Date: Thu, 28 Apr 2005 09:23:51 -0500 From: Clint Wilson <clint@southerncomp.com> To: freebsd-isp@freebsd.org Subject: Re: ipfw/natd broken? Message-ID: <4270F1F7.7010609@southerncomp.com> In-Reply-To: <427019F3.6000000@psknet.com> References: <427019F3.6000000@psknet.com>
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Troy Settle wrote: > All, > > I have a box (486, 16mb) running FreeBSD 3.51-something. It's been in > service for the better part of 10 years (originally 2.0.5 or so). > It's acting as a router/nat device for a network with about 50 desktop > systems, and has never given me a problem until this week. Troy, I would highly highly recommend upgrading your system. It is apparent it has internet access, and there are numerous exploits that could compromise the integrity of your entire network. > > It seems that VPN (PPTP) won't work behind NAT. I can use VPN tunnels > from XP PRO to both windows servers and linux-based VPN servers all > day long from home using my netgear broadband router, but from this > location, behind the FreeBSD box, they won't work. The aforementioned being said, I am unaware at this time of any reason why this might not work on 3.5. I am currently doing this same setup IPFW+NATD+FreeBSD 4.11 (Soon to be upgraded to 5.4) and it is working with no problems. There have been a lot of changes to IPFW since your version of FreeBSD I am also sure the natd daemon has been revised as well since your version. I would upgrade to 5.4 set your nat and ipfw back up and see if the problem still is there. > > What gives? > > -- Clint Wilson Southern Comp Solutions LLC http://www.scsisp.com
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