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What ports need to be open to allow VPN pass through on a SOHO3 Sonicwall?

Posted on 2004-09-10
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Last Modified: 2012-05-05
I would like to use Windows 2000 server VPN capabilities instead of using the VPN clint for Sonic Wall.  I have a SOHO3 Sonic Wall and I would like to know what ports need to be opened on the firewall to allow for the Windows 2000 Server VPN functionality to work?

Many thanks,

Mike
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Question by:proximalsolutions
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Yan_west earned 1500 total points
ID: 12038468
Open port 1723, 1723 is used for authentication in IPSec schemes (VPN). If you need to run a VPN on your windows 2000 Server, you need to open TCP 1723.

Btw, This is less secure then using the VPN Capabilities of the firewall.. The less port you'll open on your external interface, the more secure.
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by:Yan_west
ID: 12038474
You also need to open port 47.. in any case, awnser is here

http://www.tivohelp.com/archive/tivohelp.swiki.net/80.html
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Author Comment

by:proximalsolutions
ID: 12039103
Thanks but, they mention "But PPTP uses IP protocol 47. THIS IS NOT TCP/UDP!! Therefore regular NAT port forwarding does not work on port 47"  So this is not "Port 47" but Protocol 47.  Do you know if you can confi a Sonicwall firewall to allow passthrough of "Protocol 47"?
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