Netstat, the TCP/IP networking utility, has a simple set of options and identifies a computer’s listening ports, along with incoming and outgoing network connections. This data can be very helpful if ...

If you’re looking for a way to discover which ports are standing wide open on network machines, read about a powerful cross-platform solution that will do the trick. Editor’s note on June 4, 2015: ...

i believe something is wrong here. iam using winxp pro,proxomitron,Zone alarm(at the highest settings),using xp firewall too. (even that is contraindicated). there are too many listening ports here ...

How do you test to see if on a computer running Windows 2K has certain ports open for UDP? Netstat -a for all UDP ports returns *:*. It doesn't say if it is listening.