Wireshark-users: Re: [Wireshark-users] filter for ONLY initial get request

From: Jeffs <jeffs@xxxxxxxxxxxxx>
Date: Mon, 09 Aug 2010 22:53:46 -0400
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#' | 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?

Thank you.



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I can now answer my own question:

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#' | sort | uniq -c | sort -rn | head -n 30

the -n 30 represents how many lines to print out.