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Port scanning

Discussion in 'Networking (Hardware & Software)' started by Heliux2601, 2004/03/08.

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  1. 2004/03/08
    Heliux2601

    Heliux2601 Inactive Thread Starter

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    Hello again,

    What is the command used (presumably in the ms dos prompt) to find out which application uses which ports.

    Cheers,

    Heliux :cool:
     
    Heliux2601,
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  2. 2004/03/08
    Angel71

    Angel71 Inactive

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    In XP, you can use "netstat -ano" to identify the PID and then look that up using the "tasklist" command.

    Other options include:

    fport

    PortQry -local -v -l mylog.txt
    (doesn't give PIDs in Win2k)
     
    Last edited: 2004/03/08
    Angel71,
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  4. 2004/03/08
    TonyT

    TonyT SuperGeek Staff

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    netstat -a will show you all active connections.

    netstat followed by any non-command will show all the commands available: netstat -abcdefg

    A good utility, much more robust than netstat, is TCPVIEW, available form www.sysinternals.com. It will show all connections, processes using them, resolve the address and show the port, and you can kill the processes & connections as well.
     
    TonyT,
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