Documentation on the Wireshark wiki seems to not be really up to date, or at least it’s not completely applicable to Fedora 18, so here is what I did to make it work. After installing Wireshark (and its GUI) with the usual: yum install wireshark-gnome It should automatically create a group called wireshark and we are supposed to add our user (mafio in my case) to this group: usermod -a -G wireshark mafio newgrp wireshark ### used to force the new settings without having to logout/login Then issue this last command: …