[pptp-server] Forwarding GRE

[Cowles, Steve]

> -----Original Message-----
> From: Al Ludwig [mailto:aludwig at imagestor.com]
> Sent: Wednesday, October 18, 2000 4:28 PM
> To: pptp-server at lists.schulte.org
> Subject: [pptp-server] Forwarding GRE
> 
> 
> Hello,
> 
> It looks like my firewall will not forward GRE through to my 
> PPTP Server. If this turns out to be the case, does anyone
> know of any documents on how to create a tunnel back to the
> client via PPTP? The Firewall is letting GRE out, and I've
> seen it mentioned before, but I'm unable to find anything
> worthwhile on it.  Any ideas would be greatly appreciated.
> 
> Thanks,
> 
> -AL

Sounds like you need to install John Hardin's VPN Masquerade patches to your
kernel on your firewall. Then you will need to load the "ip_masq_pptp.o"
module which handles the masq'd tunnel back to your client.

Checkout: http://www.impsec.org/linux/masquerade/ip_masq_vpn.html

Steve Cowles