Archive of UserLand's first discussion group, started October 5, 1998.

Re: What port does Microsoft's IM client run on?
Posted:8/19/1999; 11:59:53 AM
Topic:What port does Microsoft's IM client run on?
Msg #:9689 (In response to 9663)
Prev/Next:9688 / 9690

If IM is listening on a port, which it would have to be to get in the way of a web server, then the port scanner should find it.

Still, netstat -a should work just as well for this purpose. It will show all listening ports.

Unfortunately, neither method will actually tell you what process has the port open. I don't know how to do this in NT. There is probably some way to extract this information from the TCP/IP stack. Perhaps the guys at have done it.

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