How to Find Which Operating System Process is Occupying a Particular Network Port? (Doc ID 1117423.1)

Last updated on DECEMBER 20, 2010

Applies to:

Enterprise Manager Grid Control - Version: 10.1.0.2 to 11.1.0.1 - Release: 10.1 to 11.1
Information in this document applies to any platform.

Goal

This document explains how to identify the PID of an Operating System process that is occupying a particular port.
Identifying the port will help in the following activities:

-  Before opening a firewall for commuication between the Grid Control components, to verify the ports on which the OMS / Agent / Repository Database Listener are running.

-  To check which process has occupied one of the ports belonging to the OMS / Agent / Repository Database Listener components in the Grid Control setup, which will affect the startup and operations of these components, etc.

Note:

The commands in this document are informational only. There may be other commands / utilities specific to your Operating System (and version) which can be used to obtain the same details.
Please contact your System Administrator and/or check the Operating System specific documentation provided by the vendor. 

Solution

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