UDP port appears to be in use but is not shown in netstat or TCPView

networking windows netstat udp

Solution 1:

Ports 5000 and 5001 are used by Yahoo Messenger. Don't know if both show when you netstat.

Also, 5001 is suspicious - I remember it was used by remote-access trojans. Sorry I have no details.

Have you tried to telnet to your server to port 5001? Is it really listening/in use?

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