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  1. #1

    How to Log TCP and UDP errors during data transfer?


    Hi guys,

    I am quite newbie with Linux networking and I want to know if there exist a log in Linux where errors during transfers are stored.
    I mean, when I'm transferring data between two hosts is there any way to log somewhere (where?) the errors or warning during the transfer? That is, connection failures, TCP or UDP errors, etc.? Is there any "log level" to select the errors to be displayed in the log not to work with a huge log file?

    Thanks in advance!

    L.A.

  2. #2
    $netstat -us #for udp
    and so on

    man netstat

  3. #3
    Just Joined! vishesh's Avatar
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    Jul 2009
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    Delhi
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    tcdump

    tcpdump command will help you

    see help of this command first
    #man tcpdump

    thnks
    (Say NO to Microsoft)

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