Brian C. E. Buhl wrote:
> I've recently been helping a friend setup a Linux machine to act as his
> firewall. He'd like to establish a VPN connection from his Windows 98
> machine at home to his Windows NT 4.0 machine at work. I'm using IP
> Masquerade and IPCHAINS on the Linux machine, and In my search so far,
I've
> found some suggestions for opening up tcp redirection for ports 1723 and
47.
> This hasn't produced satisfactory results, however.
PPTP does not use TCP port 47, but IP protocol 47 (GRE - Generic Routing
Encapsulation [RFC 1701/1702]).
Using Linux, you should look at
www-plateau.cs.berkeley.edu/people/chaffee/linux_pptp.html.
Regarding security of MS-PPTP see also
www.counterpane.com/pptp.html
HTH,
Enno Rey
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