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Solved VPN ports

March 31, 2005 at 00:49:17
Specs: Windows 2000 Server, n/a

Does anyone know what ports need to be forwarded on a router to use VPN, or where we can find out this information, also can it done via router that doesnt support VPN

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#1
March 31, 2005 at 10:35:19
✔ Best Answer

quoted from http://www.howtonetworking.com

Which ports need to be opened for running VPN

A: PPTP VPN uses TCP Port 1723, IP Protocol 47 (GRE); L2TP: UDP Port 1701; IPSec: UDP Port 500, Pass IP protocol 50 and 51. Note: 47 is a protocol number and not TCP port. The protocol name is GRE. It'll make a big difference when configuring your firewall or router.



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