Kbase P20443: How to check what process opens a TCP port with lsof in Unix
| Autor |
Progress Software Corporation - Progress |
| Acesso |
Público |
| Publicação |
16/10/2008 |
|
Status: Verified
GOAL:
How to check what process opens a TCP port
GOAL:
Using lsof to list processes that has opened TCP file sockets
GOAL:
How to check running processes listening on a specific TCP port using lsof
FACT(s) (Environment):
unix
FIX:
To show what process has opened a specific port number run lsof as root,
using the following syntax:
lsof -i TCP:<portnumber/service name>
This command is installed on most Unix platforms as part of the standard installation or as a add on package, binaries and source code can be found on the lsof FTP site.