Configure port forward for GRE #47 (for pptp to 2k3server)

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d2tw4all
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Joined: 26 Feb 2007
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PostPosted: Mon Feb 26, 2007 18:42    Post subject: Configure port forward for GRE #47 (for pptp to 2k3server) Reply with quote
Ok I see where to port forward 1723 but HOW do I configure this to forward GRE (protocol 47) so that I can vpn into my 2003 server pptp that's behind the linksys? I'm running V23sp2.
Tom
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cyberde
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PostPosted: Mon Feb 26, 2007 19:15    Post subject: Reply with quote
Just enable PPTP Passthrough in Security -> VPN and that's it.
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d2tw4all
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PostPosted: Mon Feb 26, 2007 20:25    Post subject: Reply with quote
I believe that's for CLIENT connectivity, not to connect TO a server behind the router... Unless I'm mistaken?
Tom
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d2tw4all
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PostPosted: Mon Feb 26, 2007 22:57    Post subject: Reply with quote
Ok well I tried just forwarding 1723 and that seems to work fine, odd that on most firewalls I also need to enable GRE. Either way it works so I don't care!
Tom
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cyberde
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PostPosted: Tue Feb 27, 2007 14:24    Post subject: Reply with quote
Yes, but that PPTP passthrough enables GRE passthrough in both ways Smile
So if that's enabled, the only thing you have to do is forward port 1723 like you did.

Anyway, your setup like this is correct. (I've done that too btw)
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