[pptp-server] What Ports does PPTP use?

[john]

Two things needed:

allow TCP port 1723 (very very sure that it is tcp)
and Protocol No 47 (GRE, PPTP uses GRE)

pptp uses the protocol GRE protocol to route its
packets. 




--- "Scott M. Stone" <sstone at taos.com> wrote:
> 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.
> 
> The ip_masq_vpn patch comes with 2 modules, one for
> IPSEC and one for
> PPTP.  Haven't tried the PPTP one yet, but the IPSEC
> one works great.
> 
> --------------------------
> Scott M. Stone, CCNA <sstone at taos.com>
> UNIX Systems and Network Engineer
> Taos - The SysAdmin Company 
> 
> _______________________________________________
> pptp-server maillist  - 
> pptp-server at lists.schulte.org
>
http://lists.schulte.org/mailman/listinfo/pptp-server
> List services provided by www.schulteconsulting.com!


__________________________________________________
Do You Yahoo!?
Kick off your party with Yahoo! Invites.
http://invites.yahoo.com/