Wireshark as unprivileged user: no interfaces show up in the list (how to fix permanently?)

Sven Aluoor aluoor at gmail.com
Fri Nov 12 12:40:04 PST 2010


Hi folks

I installed

# port list installed | grep wireshark
wireshark                      @1.4.1          net/wireshark

When logging with my user account -> no interfaces show up in the list
for capturing (as root it works). The source for this problem are too
less rights on /dev/bpf*

# ls -la /dev/bpf*
crw-------  1 root  wheel   23,   0 Nov 11 18:29 /dev/bpf0
crw-------  1 root  wheel   23,   1 Nov 11 18:07 /dev/bpf1
crw-------  1 root  wheel   23,   2 Nov 11 18:07 /dev/bpf2
crw-------  1 root  wheel   23,   3 Nov 11 18:07 /dev/bpf3

I now modify the perms manually, but after reboot it is again default.

Found this quote at Wireshark wiki
(http://wiki.wireshark.org/CaptureSetup/CapturePrivileges):

If the system doesn't support that - Mac OS X's devfs doesn't, you
might have to find some other way to make that happen at boot time,
such as a command in one of the system rc files, or a startup item in
OS X; see the ChmodBPF directory in libpcap 0.9.1 or later for such a
startup item.

This script doesn't exists

# pwd
/opt/local
# find . -iname ChmodBPF
#

How to fix this permanently?

cheers Sven


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