Re: [Ethereal-users] No interfaces showing on ethereal 0.99 on Mac OS X

Warren Hall wrote:
> -------------------
> The Ethereal project is being continued at a new site.  Please go to
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...so I'm redirecting this to wireshark-users (to which replies will go).

> I have compiled and installed ethereal 0.99 on my intel based Mac under 
> OS X.  The GUI launches and everything seems in order but I have no list 
> of interfaces from which to capture from.
> My hardware is a MacBook Pro with built-in Gigabit ethernet and 802.11g 
> adaptors.
> 
> I am pretty sure my build went OK.  Just wondering if I missed something 
> in the ethereal configuration?

No, you missed something in your BSD configuration. :-)

On BSD-flavored systems, such as OS X, libpcap opens a BPF device to do 
a capture.  You'd need to make the BPF devices on your system readable 
by you in order to capture (you could also run Wireshark as root, but 
that's overkill, and runs a rather large chunk of code as root).

You could do

	sudo chown {your account name} /dev/bpf*

to do that, but that would have to be done after every reboot.  To do 
that automatically, you could install the ChmodBPF startup item from 
recent versions of libpcap on your system in /Library/StartupItems and 
edit the commands in the StartService() shell function in 
ChmodBPF/ChmodBPF to do the appropriate chown and possibly chmod commands.

I've attached a gzipped tarfile with that startup item.

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