The network we are having trouble VPN'ing with PPTP is running FreeBSD
5.4-stable with mpd VPN and ipf.
Thanks again - I sure hope someone can help us pinpoint a solution for this
>From: John Benjamin [mailto:john at thebenjs dot com]
>Sent: Friday, December 02, 2005 2:11 AM
>To: m0n0wall at lists dot m0n0 dot ch
>Subject: [m0n0wall] Outbound VPN while forwarding to an LAN
>based NAT'd VPN Server
>I am running 1.2 and using the PPTP Forwarding option to a
>W2k3/SBS box on the LAN as my VPN Server. All works well, there.
>I'm having problems with outbound PPTP/VPN sessions to one
>particular network. Outbound VPNs initiated from the w2k3/sbs
>box work infrequently.
>Resetting firewall and NAT state tables seem to be of
>PPTP/VPN sessions from other clients (XP Pro) never succeed to
>this one particular network. But those XP Pro clients can
>connect to other VPN servers without fail.
>So, it seems to be specific to the hardware on both ends.
>We've started talking to the techs for the VPN that we are
>having trouble connecting to so we can find out more details
>about their config, what hardware they are using, and if there
>is anything in the logs to shed a clue.
>I wanted to get more information from the m0n0wall list.
>I've read through
>the FAQs and searched the archives and I see that PPTP is
>known 'not to play well with NAT' but I haven't found a
>definitive answer as to if this setup should work or not, or
>how to make it work.
>What is the latest info on outbound VPN while NAT'ing to a LAN
>based VPN server?
>Any help is appreciated. It's late so please excuse me if
>I've left out a useful nugget of information.
>thanks very much,