When I start up my wireshark on MacBook pro with the operating system Mac OS Mountain Lion, it shows like this and cannot capture. What shall I do to the configuration and where am I supposed to do it? It would be nice of you to help me solve this.
Set the permissions of the dumpcap executable to something like root:wheel rwsr--r-- (NOT rwsr-xr-x), and add an ACL entry for each user who needs to run Wireshark. For example, to enable user "foo" to capture packets,