Re: VPN usage

From: Lars M. Hansen (
Date: 12/10/04

Date: Thu, 09 Dec 2004 18:39:49 -0500

On 9 Dec 2004 07:22:24 -0800, spoketh

>Are VPN's intended to secure all the data streams going out of the
>client. If not, they should be able to differentiate between the
>connections that should be protected and sent to the VPN gateway and
>those that should directly be sent.
>In the protocol stack, VPN at the client side sits at IP layer.
>Several applications might be running in the client and they might be
>sending data to the destination nodes, will all the traffic be sent to
>the VPN gateway and then be relayed?
> shar

It really depends. There are different ways of implementing VPNs.

* Split tunneling- All non-VPN traffic is blocked.
* Transparent tunneling- All traffic goes through the VPN connection,
then through the corporate firewall to it's intended destination (and
* Don't care- VPN traffic is tunneled, regular traffic goes whereever it
needs to go...

Lars M. Hansen
(replace 'badnews' with 'news' in e-mail address)