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Command Line Tool to close a connection

Posted on 2004-09-08
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Last Modified: 2010-04-11
I have what I hope is a simple question:

How can I close an unwanted tco/ip session from the command line?

I've been running the netstat tool to keep an eye on things, and occasionally I'll have a connection that I don't want but can't terminate.  Since it's not a file share, I don't know of any way to target the connection and cut it off.  Any ideas?
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Question by:Zeek0
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Expert Comment

by:kenfcamp
ID: 12007784
What OS are you using?

Under linux:

type who to get the TTY the offending connection is using
<user>       pts/0    Sep  8 11:52
<user>       pts/1    Sep  8 11:52

type ps -ax to get running processes

PID TTY      STAT   TIME COMMAND
31513 pts/1    S      0:00 -bash
31586 pts/0    S      0:00 -bash

as root type kill -9 <PID>

If pts/0 was the offending connection (using the above example) you'd type

kill -9 31586 (as root)

Hope this helps

KC

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Author Comment

by:Zeek0
ID: 12008195
Unfortunately, I'm asking about how to do it in XP.  It seems like an obvious task, but I haven't ever seen a way to do it - I'd prefer to use the command line, but any other strategies would be fine.
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by:kenfcamp
ID: 12008352
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by:Zeek0
ID: 12008646
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Accepted Solution

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kenfcamp earned 50 total points
ID: 12008972
Do you generaly know the PID of the offending connection/service ?

If so try taskkill /PID <pid number>

ELSE

Type tasklist to obtain a list of running processes
Locate the PID you're looking to kill
type taskkill /pid <pid number>

KC
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Expert Comment

by:kenfcamp
ID: 12008996
PS

To test this (play with it)

open 1 or 2 cmd consoles

as admin open a console and go to it..

NOTE: You will not be able to close down the cmd PID you're running the commands on

KC
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