Host VPN behind firewall?

[Brian Schaller]

I have VPN enabled on my XP Home. What
ports/triggers/filters do I need open on my router?
Currently I have 47 trigger for 1723 port and 50 for 500
from a FAQ for being a Remote on VPN, but I want to Host.
Thanks,
Brian

[Mark Swift [MSFT]]

You need the following open on the router/firewall:

PPTP: IP Protocol 47 (GRE) and TCP Port 1723
L2TP/IPSec: UDP Port 1701 and Port 500. IP Protocols 50 and 51. If you are
going through a NAT (or the client is), then you will need UDP port 4500
also. For L2TP/IPSec to go through a NAT on W2K or WinXP you will need to
install the NATT package off of Windows Update. Directions on how to do that
below:

You can find it on the Windows Update Catalog site. (Windows Update ->
Personalize Windows Update -> choose to show Catalog link)
Go to the Catalog, choose your OS, then look under recommended updates for
818043.


--
Mark Swift
Microsoft/Windows/Networking/Secure Network Services/IP Security
Software Test Engineer

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"Brian Schaller" > wrote in message
...
> I have VPN enabled on my XP Home. What
> ports/triggers/filters do I need open on my router?
> Currently I have 47 trigger for 1723 port and 50 for 500
> from a FAQ for being a Remote on VPN, but I want to Host.
> Thanks,
> Brian