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  3. February 2002

RE: VPN server

At 19:19 02/26/2002, Steve Richter wrote:
>Is there a technical reason for the success of vpn depending on if the ISP
>supports it ?
>
>Isnt VPN traffic just encapsulated IP data that is routed thru the internet
>just like any other IP data packet and will be materialized at the receiving
>end ?

That's pretty much true, unless the client is behind a firewall. IP
Masquerading has some special considerations because the packet checksum
includes the address, so the calculated checksum is changed by the NAT process.


Pete Hall
pbhall@execpc.com
http://www.execpc.com/~pbhall/

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