I apologise in advance as this post is probably not going to make much sense, I'm none to savvy with networking and routers.
Anyway, the situation is that a friend of mine hosts a webpage from a computer of his. Now usually this works just fine but occasionally people (so not just myself) will not be able to connect with that webpage or anything else from that server. Everyone just receives a connection timed out error. I do not know if everyone is blocked together at once or if it is individual. What I do know is that if a connection has been established then it is fine until a new connection is needed.
E.g. If I was downloading something the download would complete without a problem, but if the lock out problem occurs, I would be unable to connect to the html page after the download completed.
His internet provider is Virgin Media and as such is using their super hub router.
So any suggestions as to what the problem might be would be greatly appreciated. We have been racking our brains but can't think of why this keeps happening.