How to terminate a suspicious TCP session established by PID

Sometime your PC has a lot of established TCP sessions that you never expected.

Here is steps to verify and terminate.

 

1. From DOS prompt( "CMD" ). Type "netstat -o"

 

 

 

2. See what is PID# on the suspicious TCP session that can be terminated.

3. Open Taskmanager( "taskmgr" ) and choose ”Select Colums" from pull-down menu bar.

 

 

4. Check "PID (Process Identifier)"

 

5. Identify an application that is runing the PID#

 

6. Terminate the PID thru Task manager. In this example, the PID turned out a non-harmful TCP session. So, it won’t be killed. However, to kill the PID#, see below picture.