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Welcome, I have got tcpdump 3.9.5-2ubuntu1 and i do not have option -K ( Don't attempt to verify TCP checksums. This is useful for interfaces that perform the TCP checksum ...
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  1. #1
    Just Joined!
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    tcpdump -K not working


    Welcome,

    I have got tcpdump 3.9.5-2ubuntu1 and i do not have option -K
    ( Don't attempt to verify TCP checksums. This is useful for interfaces that perform the TCP checksum calculation in hardware; otherwise, all outgoing TCP checksums will be flagged as bad.)
    Does any one know what is wrong? Linux claims that is the newest version.
    Do I have to install additional packest?
    Best regards,
    Christopher

  2. #2
    Super Moderator devils casper's Avatar
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    Hi gandalf29 !

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