Wireshark-users: Re: [Wireshark-users] MacOSX installation and /dev/bpf permissions
From: Ray Wilson <[email protected]>
Date: Sun, 13 Feb 2011 12:57:23 -0600
Sudo works to. Changing the device file is awkward. Cheers.

On 2/13/11, Stephen Fisher <[email protected]> wrote:
> On Sat, Feb 12, 2011 at 08:43:31AM -0700, Ed Young wrote:
>
>> Can I execute chmod to change the /dev/bpf* permissions?
>
> Yes.
>
>> If so, what should they be? 755?
>
> You need to be able to read from the bpf device, so either change the
> owner to be your username or group to be a group that you're in and give
> read permission to that.  I've always preferred the letter syntax: chmod
> u+r /dev/bpf* gives user read permission without changing the other
> permissions (that's chmod 400 /dev/bpf* for an absolute user read only /
> no access for others for the octally inclined).
>
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