Forum Discussion

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.   T...
config
design
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