Thanks for the replies,
I dont get any message about port 10001 not being able to be accessed, so I assume (one shouldnt I suppose!!) that I can access it.
The only firewall running is on my Windows boxes, and it is the XP firewall. The Macs dont run one that I know of.
I think I will need to do some tweaking in my router, so could you confirm somethings…
Jaikoz makes a request on port 10001 outbound and listens for a reply on the same port? If no reply (time out), it re requests on port 80?
On an older router I had, I had to set port forwarding for some applications to run as they were port specific also. Since replacing that router, I havent had to set these up, they just work. I am assuming I would have to set up port 10001 as I used to.
Jon