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I've executed Wireshark and I tried to capture packets.

I got the following error which shows up after clicking "start capturing":

error message

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  • Could you please post text files, dialogue messages, and program output listings as text, not as images? To achieve the latter two you can either 1) select, copy & paste the dialogue text or terminal content or 2) save the program output to a file and use that. Longer listings (the editor will tell you what's too long) should be uploaded to a pastie service and linked to in the question. Thanks. Mar 7, 2017 at 14:35

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The error says:

You don't have permissions to capture on that device

wireshark require root access in order to capture data on a network device, as it uses Promiscuous mode

Executing wireshark using sudo should solve the problem (by execution the program as root)

sudo wireshark
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    This is not the best solution, as wireshark should not be run with root rights. To allow users to run wireshark, run sudo dpkg-reconfigure wireshark-common, answerYes and add the user to group wireshark (see ask.wireshark.org/questions/7976/…).
    – ridgy
    Mar 7, 2017 at 14:26
  • I agree that it is not the best solution, but it is the simplest solution. I saw the wireshark page before I post my answer, and had internal debate if I should include it as a link.... Do you think that I should add it to my answer?
    – Yaron
    Mar 7, 2017 at 14:29

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