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Windows 2003 RRAS

 
 
Thomas Nielsen
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      05-04-2006, 11:37 AM
Is it possible to configure RRAS to accept loopback? I can't access my
internal servers from my LAN throu there hostnames (or external IP-address).
I can only access them from the internet or from my LAN throu the internal
IP-address.
 
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Phillip Windell
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      05-04-2006, 04:39 PM
"Thomas Nielsen" <(E-Mail Removed)> wrote in message
news:10B82CB0-749E-4E11-8C89-(E-Mail Removed)...
> Is it possible to configure RRAS to accept loopback?


No. It is a limitation of over-all NAT technology, not a limitation of
RRAS. It creates a situation where the source and destination MAC address
(Layer2 address) in the packet are the same address. The thing just flips
out and shoots itself in the head.

> I can't access my
> internal servers from my LAN throu there hostnames (or external

IP-address).
> I can only access them from the internet or from my LAN throu the internal
> IP-address.


When inside the LAN, for accessing internal resources you must use either
the Netbios Machine Name, or the internal AD/ DNS FQDN. You must not use
the public FQDN.

When outside the LAN you must use the Public FQDN.

You should never use IP#s in either case. They are not the "fool-proof" way
of accessing that everyone thinks they are,..it is just the opposite, it
actually causes problems,...particularly when proxy servers are involved.

--
Phillip Windell [MCP, MVP, CCNA]
www.wandtv.com


 
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