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francisco_1_162's avatar
francisco_1_162
Icon for Nimbostratus rankNimbostratus
May 25, 2011

tcpdump on monitors

is it possible to tcpdump default_tcp on GTM for a server? I need to know what response i am gettting back from sever for the default_tcp (TCP Half Open) connection.

 

 

Please advise.

 

Thanks in advance
config
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  • The_Bhattman's avatar
    The_Bhattman
    Icon for Nimbostratus rankNimbostratus
    May 26, 2011
    Hi Francisco,

     

    I suppose TCP Half Open connections basically send out TCP-SYN versus the acknowledgement. In that case I suppose you can use TCPDUMP in the following manner

     

     

    tcpdump -nnvv -i br0 'tcp[tcp-syn] & (tcp-syn)' != 0

     

     

    I hope this helps

     

    Bhattman