owned listener port=61252 exit=1 Capturing on 'Loopback: lo0' dumpcap: You do not have permission to capture on device "lo0". ((cannot open BPF device) /dev/bpf0: Permission denied) Please check to make sure you have sufficient permissions. If you installed Wireshark using the package from wireshark.org, close this dialog and click on the "installing ChmodBPF" link in "You can fix this by installing ChmodBPF." on the main screen, and then complete the installation procedure.