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

Re: What port does Microsoft's IM client run on?

Author:Eric Soroos
Posted:8/19/1999; 7:37:38 AM
Topic:What port does Microsoft's IM client run on?
Msg #:9663 (In response to 9662)
Prev/Next:9662 / 9664

If you've got a linux box handy, nmap is a really useful network scanning tool. It's availiable from .

With a couple of commands, you can scan your machine for any open ports, both tcp and udp.

It's not the answer, but it's a way to find it.


Later... This only catches server type sockets, not client initiated connections. I believe that the way to check the client connections (fron nt) is some variation of the netstat -a command. Of course if you _really_ want to know what is happening, tcpdump is your friend.

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