Just a short post for people who might not be sure how to get Wireshark to read the interfaces from your mac…

I had to run the applications as root:wheel to let the X11 interface read the network interface devices. To do the same, just run:

sudo /Applications/Wireshark.app/Contents/MacOS/Wireshark

Then, when prompted, just enter your password (provided you are a machine administrator that is). Wireshark X11 should then boot up and work without problem.

If your on 10.4 you will need to install X11 beforehand

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