[pptp-server] What Ports does PPTP use?

[David Luyer]

> On Sun, 2 Jul 2000 awilliam at whitemice.org wrote:
> 
> > >I want to redirect PPTP packets that are coming FROM the INTERNET 
> > through
> > >the LINUX FIREWALL to the Windows NT machine. All I need to know
> > >is what ports Microsoft PPTP packets come across on so I can redirect
> > >them to the Windows NT 4.0 server.
> > 
> > I believe it is port 1723.
> 
> 1723 UDP to be exact.  Make sure you're forwarding 1723/udp and not
> 1723/tcp :)  Also you have to enable IP protocol 47 as well.  If your
> linux firewall is doing masquerading, then you must have the ip_masq_vpn
> patch/module, and make sure to 'modprobe ip_masq_pptp' or nothing will
> work.

Actually the control connection is definitely TCP.

David.
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David Luyer
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