Technology Insights

Tshark: Strip WPA Wireless Captures by ESSID with Tshark

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A while ago I wrote a short tutorial on how to strip down a wireless capture which contained a wpa handshake so that only eapol packets and beacon frames where left. I have since found a little bit better way to do it so I decided to make a new post. In the previous article I showed how to strip by wlan.mgt frames containing the mac address. The problem with this is that it strips out lots of other packets which some programs use to check for ESSID.  I looked into the issue some more and found a way to strip just by essid.

Technology Insights

Find Out If My Ruby Binaries are Stripped Or Not Stripped

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During some testing earlier a gem we were using required that the Ruby binaries on the server to be unstripped or not stripped. I wanted to provide information relating to finding out if your Ruby binaries were stripped or not stripped including what the output of each will look like. Below is a command you can use to find out if your Ruby version is stripped or not stripped including example outputs to display what each will look like.