> Users shouldn't care or know about the network's internal addressing.
> Some of the application issues with NATs spring directly from this issue
> (e.g. user of X-terminal setting display based on IP address instead of
> DNS name).

it's not the same issue.  the point of using IP addresses in DISPLAY 
variables is not to make them visible to the user - it's because 
using the IP address is (in a non-NATted network) far more reliable 
than depending on the DNS lookup to work.  the fact that doing this
makes the address more visible to the user is just a side effect;
most users don't care diddly about it one way or the other as long
as it works.

Keith

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