spotty access to web server

[Shaw, Marco]

> The problem seems to be that ALL machines behind one of this person's 
> NATs (he controls three) cannot access my web server. I am at 
> a loss as 
> to why. [I hesitate to suggest that he compare all three NATs 
> to see how 
> this one is different, but that is all I can think of.]
> 
> BTW, none of those machines behind that NAT can run traceroute, as he 
> doesn't allow traceroute through his NAT. The traceroute he 
> sent to me 
> was run from his DMZ: not exactly helpful.

The NAT runs on what OS?  Should be able to see whether stuff
is making it through.

It's quite possible that the common IP address on the NAT having
problems is conflicting with another IP/subnet on its way to the
web server.

Marco