hi all,

What is the minimum capture length of an ethernet packet i need
to do the most important analysis of a packet.

ethernet - 14 bytes +
ip       - 20 (upto 60)
tcp      - 20

these would contain all the fileds required for doing the filtering
similar to tcpdump. does tcpdump do filtering on transport layer payload
?? or appl data ?

so if the capture length is 54 (or 94) we can do all the packet analysis ?

thanks
ashley

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