Home | Troubleshooting |  Quick Setup  |  Cisco How to  |  Wireless  |  Forums   | Site Map | Services  | About Us | Chicagotech MVP  | Search                          

Clearapps network inventory
software.

 

How to determine which program uses specific TCP ports 1

The Netstat.exe utility has a new switch, the -o switch, that an be used to determine which process identifier (ID) (program) listens on a given port. For example, the netstat -ano command can produce the following output:

C:\Documents and Settings\blin>netstat -ano

Active Connections

Proto Local Address Foreign Address State PID
TCP 0.0.0.0:25 0.0.0.0:0 LISTENING 388
TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 388
TCP 0.0.0.0:135 0.0.0.0:0 LISTENING 980
TCP 0.0.0.0:443 0.0.0.0:0 LISTENING 388
TCP 0.0.0.0:445 0.0.0.0:0 LISTENING 4
TCP 0.0.0.0:1029 0.0.0.0:0 LISTENING 388
TCP 0.0.0.0:3389 0.0.0.0:0 LISTENING 920
TCP 0.0.0.0:5800 0.0.0.0:0 LISTENING 1264
TCP 0.0.0.0:5900 0.0.0.0:0 LISTENING 1264

Next Page

Related Topic

 

How to find open ports on a computer

Windows Tools

The 2003 Netstat.exe utility has a new switch, the -o switch, that can display ... For example, the netstat -ano command can produce the following output: ...
www.howtonetworking.com/Windows/wintools.htm

 

 

 


 

 

Hit Counter   This web is provided "AS IS" with no warranties.
Copyright 2002-2013 ChicagoTech.net, All rights reserved. Unauthorized reproduction forbidden.