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Subject Author Date
Cisco VPN client My News 07-15-2004
Posted by My News on July 15, 2004, 10:49 am
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I've got the cisco VPN client 4.0.3C for win to connect to my firewall at
work but I'm not sure if its working as expected. When the client connects
via my ISP I can access the internal work network, however I can no longer
connect to anything else like web sites, IRC etc. It seems that once the VPN
is established all traffic is directed over the VPN. Even if I add a route
to a particular address all requests still seem to be blocked by the vpn.
DNS is working correctly (connected via a server at work). Once I disconnect
the VPN I can browse again. Is this behaviour the way the VPN client is
intended to work?

I thought the tunnel it created was only for traffic destined for internal
addresses and that it could hapilly co-exist with non VPN traffic, just as
the PIX at work can distinguish between VPN and no VPN traffic?

Also, anyone know where one might come across a Linux 4.0.x VPN client? (ie
someone without a cisco support contract)

Any help would be much appreciated!




Posted by John Loop on July 15, 2004, 7:55 am
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> I've got the cisco VPN client 4.0.3C for win to connect to my firewall at
> work but I'm not sure if its working as expected. When the client connects
> via my ISP I can access the internal work network, however I can no longer
> connect to anything else like web sites, IRC etc. It seems that once the
VPN
> is established all traffic is directed over the VPN. Even if I add a route
> to a particular address all requests still seem to be blocked by the vpn.
> DNS is working correctly (connected via a server at work). Once I
disconnect
> the VPN I can browse again. Is this behaviour the way the VPN client is
> intended to work?
>
> I thought the tunnel it created was only for traffic destined for
internal
> addresses and that it could hapilly co-exist with non VPN traffic, just as
> the PIX at work can distinguish between VPN and no VPN traffic?
>
> Also, anyone know where one might come across a Linux 4.0.x VPN client?
(ie
> someone without a cisco support contract)
>
> Any help would be much appreciated!
>
>
Sounds like the VPN administrators have you setup for "split tunnel."
More secure, and the general practice most companies employ. You cannot
access the Internet while using the VPN client except by going thru the
Intranet's proxy server (assuming they have one).
J--
www.pccitizen.com Safe Computing, Home wired and wireless networking tips.
....You spend your whole life figuring out what you should have done with it,
let alone what it was all about. And then your children get to do it all
over again..




Posted by Nick C on July 15, 2004, 8:57 am
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in order to get your internet working while on a vpn you need to
enable split-tunneling. This will allow information out both ways.

> I've got the cisco VPN client 4.0.3C for win to connect to my firewall at
> work but I'm not sure if its working as expected. When the client connects
> via my ISP I can access the internal work network, however I can no longer
> connect to anything else like web sites, IRC etc. It seems that once the VPN
> is established all traffic is directed over the VPN. Even if I add a route
> to a particular address all requests still seem to be blocked by the vpn.
> DNS is working correctly (connected via a server at work). Once I disconnect
> the VPN I can browse again. Is this behaviour the way the VPN client is
> intended to work?
>
> I thought the tunnel it created was only for traffic destined for internal
> addresses and that it could hapilly co-exist with non VPN traffic, just as
> the PIX at work can distinguish between VPN and no VPN traffic?
>
> Also, anyone know where one might come across a Linux 4.0.x VPN client? (ie
> someone without a cisco support contract)
>
> Any help would be much appreciated!


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