Wireshark mailing list archives

Re: filter for ONLY initial get request


From: Sake Blok <sake () euronet nl>
Date: Tue, 10 Aug 2010 07:36:58 +0200

On 10 aug 2010, at 04:53, Jeffs wrote:
On 8/9/2010 10:47 PM, Jeffs wrote:
On 8/9/2010 11:25 AM, Sake Blok wrote:

Have a look at the presentation I gave at Sharkfest'10, it shows you how you can accomplish something quite similar 
with Tshark and some (minor) scripting. You should be able to change the commands to your needs.

http://www.cacetech.com/sharkfest.10/A-6_Blok%20HANDS-ON%20LAB%20-%20Using%20Wireshark%20Command%20Line%20Tools%20and%20Scripting.zip

Question: in the wonderful example in that paper for finding the top 10
requested URLs, with this formula:

tshark -r example.cap -R http.request -T fields -e http.host -e
http.request.uri | sed -e 's/?.*$//' | sed -e
's#^\(.*\)\t\(.*\)$#http://\1\2#&apos; | sort | uniq -c | sort -rn | head

Where does one set the top "10"?  How would I change that to, say, top
"20" or whatever?  Or does uniq -c always just produce the top 10?

I can now answer my own question:


TIP: During my presentation @ Sharkfest'10  I built the command sequence step by step, you might want to try that too 
to get a full grasp of what each step does. That way you will be able to craft your own command sequence a little 
easier.

Cheers,

Sake
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