Wireshark (/usr/bin/dumpcap permission denied)

The error “/usr/bin/dumpcap permission denied” appeared when executing wireshark as a normal user. Using package manager to install wireshark may encounter this problem.

This is solved by adding normal user into group wireshark:

gpasswd -a cyrus wireshark

Check to see if you are in the group wireshark:

cat /etc/group |grep wireshark

Once ensure your username is in group wireshark, logout and login again, you will not get the error again and can sniff the network via chosen interface.

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