tcpdump mailing list archives

Re: Decoding the unencrypted part(s) of SSL/TLS?


From: Michael Richardson <mcr () sandelman ca>
Date: Mon, 10 Dec 2012 23:38:29 -0500


"Rick" == Rick Jones <rick.jones2 () hp com> writes:
    Rick> Is there a version of tcpdump in the works which will decode
    Rick> the unecrypted 
    Rick> portions of an SSL/TLS session?  Or do I need to look
    Rick> elsewhere?

Yes/no.
You have, in general, to do TCP reassembly as TLS blocks might span TCP
segments. 

Fortunately, you can use: http://www.rtfm.com/ssldump/
to do exactly that.

It takes pcap files.  It even decrypts if you give it the keys.

-- 
]       He who is tired of Weird Al is tired of life!           |  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] mcr () sandelman ottawa on ca http://www.sandelman.ottawa.on.ca/ |device driver[
   Kyoto Plus: watch the video <http://www.youtube.com/watch?v=kzx1ycLXQSE>
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