mac 下面wireshark 找不到網卡

終端上面，執行以下命令：

  sudo chgrp admin /dev/bpf*

  sudo chmod g+rw /dev/bpf*

To solve the problem open a Terminal and enter

sudo chown $USER:admin /dev/bp*

This command fixes the ownership of your Berkeley packet filter devices /dev/bpf0 etc. which makes them readable and writable.