how to open a tcpdump file in perl and do some pattern matching ?

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i have one tcpdump file (say abc.cap) , which can only be opened using ethereal or tcpdump.
i want to open that file and do some pattern matching using perl.
can i have some idea how to open that file using tcpdump in perl script???

Posted 23-Feb-11 19:15pm

tanujm

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Manfred Rudolf Bihy · Answer 1 · 2011-02-26T07:54:00

Solution 1

Here's a description of the tcpdump file format: http://www.tcpdump.org/pcap/pcap.html[^].

That's all you should need to read that file and interpret it.

Cheers!

Posted 26-Feb-11 7:54am

Manfred Rudolf Bihy

tanujm · Answer 2 · 2011-03-03T17:09:00

Solution 2

this worked for me ! :-D

tcpdump -qns 0 -X -r serverfault_request.pcap
tcpdump -qns 0 -A -r blah.pcap

Posted 3-Mar-11 17:09pm

tanujm