Hi Maggie
I think we found a problem with that site - a different machine answers the connection request than the request went to - this breaks the fundamental laws of TCP connections, so noone can connect to it.
They'll need to fix whatever is broken on their site.
Their DNS returns 2 IP addresses for the name citrix.inet.tradespeed.net
65.175.59.194 and 69.64.210.194
you can actually connect to the second IP address. So, one way around it would be to get the clients to connect to this IP address either by specifying the URL as an IP, or by adding the name to their hosts file with that Ip address - thereby overriding their broken DNS.
http://69.64.210.194
Adrien
Adrien