From mboxrd@z Thu Jan 1 00:00:00 1970 From: davidsen@tmr.com (bill davidsen) Subject: Re: Microsoft PPTP VPN server behind FIREWALL Date: Tue, 25 Mar 2003 13:34:18 -0500 Sender: netfilter-admin@lists.netfilter.org Message-ID: <200303251834.NAA02380@gatekeeper.tmr.com> References: <083201c2f2cf$a4fc85c0$6e69690a@rimas> Return-path: In-Reply-To: <001501c2f2f5$2b662920$1001a8c0@s3ac> Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: rreid@studio3arc.com In article <001501c2f2f5$2b662920$1001a8c0@s3ac> you write: | | > | > I tried to use this command to make a forward to itenal IP | > address: iptables -t nat -A PREROUTING -d $EXTERNALIP -p tcp | > --dport 1723 -j DNAT --to 192.168.1.150:1723 But it doesn't | > work, I mean I cannot connect to my VPN server from outside. | > | > Any ideas or issues? | | | FYI iptables does not support pptp filtering. In order to support it you | need to apply the pptp patch from patchomatic. In my experience it's not | worth it. I ended up using FreeSwan installed on myfirewall gateway as | my VPN solution. I believe there is a userspace IPsec package, reasonably high overhead but runable where a patched kernel is politacally incorrect. Does that ring a bell with anyone? -- bill davidsen CTO, TMR Associates, Inc Doing interesting things with little computers since 1979.