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Re: VPN Client and Local Service
From: "Phillip Hitchcock" <phitchcock () xtra co nz>
Date: Tue, 14 Dec 2004 15:33:42 +1300

making a couple of assumptions here...

1. that it is each individual machine establishing a VPN connection. since you said the computer gets a new ipaddress (this should be a second ip assress). 2. you are using the default microsoft vpn client (2000 or XP) which adds a ppp device. 3. you are using pptp (although the same shoudl be true for ipsec, i have just never tried it).

to be able to accress both networks all you should have to do is disable making the vpn connection the default gateway under the advanced tcp-ip settings for the vpn connection.

the only other possable problem you might find you have then is resolving DNS entrys for both networks... but if you are only accessing a very small number of resources on the remote network i would take the easy way out and just put in a few static entrys in the local DNS server for the remote network and call it a day.

----- Original Message ----- From: "John Cooper" <jc20041212 () yahoo com>
To: <security-basics () lists securityfocus com>
Sent: Monday, December 13, 2004 4:06 PM
Subject: VPN Client and Local Service

Dear all,

We have a LAN and use VPN to connect to remote
Exchange server in back office (we are the client
side).  As soon as the connection setup, the local
computer will get one IP address assigned by the
remote server. Afterwards all the local computers
could not print because the IP address of the local
printer is in different range.

Both our IT admins in two offices said this problem is
not possible to solve, which means if we need to send
and receive email, we need to build up the VPN
connection and if we need to print we have to
disconnect. As for our normal users the situation is
really ridiculous. Is it really so difficult to solve
the problem?


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