Installing wireshark on Ubuntu 14.04 LTS and limiting packet capture to one group, in this case the group wireshark. I’m sure you can use these instructions for other debian based distributions.
Although you’ll have to take it as read that I’ve only tested it on Ubuntu, feel free to let me know if it doesn’t and I’ll amend the instructions to suit.
First, we install Wireshark from the terminal.
Installing Wireshark
sudo apt-get install wireshark |
If you run wireshark as a non root user at this stage (see image above), you will get the message “No interface can be used for capturing in this system with the current configuration.”. The following steps will rectify this.
Create the wireshark group.
sudo groupadd wireshark |
Add your username to the wireshark group
sudo usermod -a -G wireshark YOUR_USER_NAME |
Change the group ownership of file dumpcap to wireshark
sudo chgrp wireshark /usr/bin/dumpcap |
Change the mode of the file dumpcap to allow execution by the group wireshark
sudo chmod 750 /usr/bin/dumpcap |
Grant capabilities with setcap
sudo setcap cap_net_raw,cap_net_admin=eip /usr/bin/dumpcap |
Verify the change
sudo getcap /usr/bin/dumpcap |
At this point, you will need to log out, then back into Unity (Thanks for Jorge for pointing this out).
You should now be able to run Wireshark as a non-root user, just as long as that user is part on the wireshark group, everything should just work.
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