Error: There is already a server running on port 80...

[tbalon]

I have an 11b wireless home network using a D-Link 614 and on one of my computers I get the above error each time I boot up. the network still works fine, but I cannot run the D-Link utility that came with the router on that machine anymore. My guess is that after I downloaded and installed a driver update from the windows update page for wireless networking, it overrides the utility for the 614. How can I find out what is utilizing port 80 and deactivate it so I can use the 614 utility again? I am running XP Pro.
Thanks

 

[tbalon]

Ok, I think I figured this out on my own....

I will use the following:
The Netstat.exe utility has a new switch, the -o switch, that can display the process identifier (ID) that is associated with each connection. This information can be used to determine which process (program) listens on a given port. For example, the netstat -ano command can produce the following output:
Proto Local Address Foreign Address State PID
TCP 0.0.0.0:80 0.0.0.0:0 Listening 888

If you use Task Manager, you can match the process ID that is listed to a process name (program). This feature enables you to find the specific port that a program currently uses. Because this specific port is in use already by a program, another program is prevented from using that same port.


Hope this is of some good to others...

 

[n0cmonkey]

fport is an application that I believe does the same thing. 🙂

 

[Aves]

Originally posted by: n0cmonkey
fport is an application that I believe does the same thing. 🙂

TCPView does it also if you're into GUIs.