Re: Use of firewall software in desktops

From: Lanwench [MVP - Exchange] (
Date: 03/30/04

Date: Tue, 30 Mar 2004 14:44:10 -0500

Andrew Mitchell wrote:
> "Lanwench [MVP - Exchange]"
> <> said
>> Andrew Mitchell wrote:
>> <snip>
>>> What VPN client are you using? Maybe try using a third party
>>> firewall on your own machine so it can tell you what ports are
>>> being used by the VPN client and open those specific ports on the
>>> built in XP firewall for your general users.
>> Nothing inbound would need to be opened up for VPN, and since the XP
>> firewall doesn't block any outbound traffic, it should work fine.
>> I've done it :-)
> I thought I had read somewhere that the Nokia VPN client required the
> user to open an incoming port below 1024. The only reason I remember
> this is that an ISP in Melbourne (Australia) was having problems due
> to their blocking of all incoming traffic to clients on ports below
> 1024 to stop them running servers.

Hmm - I've never used that client. I've used plenty of Sonicwall and
Checkpoint stuff, and pptp....nothing inbound required. If the tunnel
connection is initiated from the inside, and isn't being blocked, it :-)
> Not sure. It was a while ago.....
> Andy.

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