Linux HAM/Amateur Radio development
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From: Hamish Moffatt <hamish@cloud.net.au>
To: linux-hams <linux-hams@vger.kernel.org>
Subject: Re: Listen root only
Date: Sat, 16 Jul 2005 12:16:52 +1000	[thread overview]
Message-ID: <20050716021652.GA4343@cloud.net.au> (raw)
In-Reply-To: <620c9057050715180279131307@mail.gmail.com>

On Fri, Jul 15, 2005 at 09:02:41PM -0400, Chuck Hast wrote:
> Folks,
> I am trying to get listen to be viewable by other users than root. I have
> checked the permissions on listen and all appears OK, but when I
> try to run it as a common user, I get a failure.

Define OK?

> Here is the error message:
> kp4djt@fpac-dev:~$ listen
> socket: Operation not permitted
> kp4djt@fpac-dev:~$

listen needs to open a socket to receive all traffic (like packet
sniffing on ethernet), which only root can do. So listen must be either
run by root, or run as root using setuid.


Hamish
-- 
Hamish Moffatt VK3SB <hamish@debian.org> <hamish@cloud.net.au>

  reply	other threads:[~2005-07-16  2:16 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-16  1:02 Listen root only Chuck Hast
2005-07-16  2:16 ` Hamish Moffatt [this message]
2005-07-16  2:40   ` Chuck Hast
2005-07-16  4:32   ` Chuck Hemker
2005-07-16 15:50     ` Curt Mills
2005-07-16 22:36       ` Jim Bayer
2005-07-17 14:02       ` Hamish Moffatt

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