From: Arun Sharma <arun.sharma@intel.com>
To: xavier.bestel@free.fr (Xavier Bestel)
Cc: linux-kernel@vger.kernel.org
Subject: Re: Reserving "special" port numbers in the kernel ?
Date: 15 Nov 2002 16:53:15 -0800 [thread overview]
Message-ID: <uadkabais.fsf@unix-os.sc.intel.com> (raw)
In-Reply-To: <1037405489.8019.10.camel@localhost>
xavier.bestel@free.fr (Xavier Bestel) writes:
> Le sam 16/11/2002 à 01:00, Arun Sharma a écrit :
> > One of the Intel server platforms has a magic port number (623) that
> > it uses for remote server management. However, neither the kernel nor
> > glibc are aware of this special port.
> >
> > As a result, when someone requests a privileged port using
> > bindresvport(3), they may get this port back and bad things happen.
> >
> > Has anyone run into this or similar problems before ? Thoughts on
> > what's the right place to handle this issue ?
>
> run a dummy app at startup which reserves that port ?
Yes, I'm already aware of this one, but was looking for a lighter weight
solution (ideally a config file change) that doesn't involve running an
extra process (think of doing this on a large number of machines).
-Arun
next prev parent reply other threads:[~2002-11-16 0:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-16 0:00 Reserving "special" port numbers in the kernel ? Arun Sharma
2002-11-16 0:11 ` Xavier Bestel
2002-11-16 0:53 ` Arun Sharma [this message]
2002-11-16 0:58 ` Sean Neakums
2002-11-16 1:00 ` Randy.Dunlap
2002-11-16 1:46 ` Arun Sharma
2002-11-16 2:03 ` Randy.Dunlap
2002-11-16 2:43 ` Alan Cox
2002-11-17 16:37 ` Arun Sharma
2002-11-17 22:59 ` Alan Cox
2002-11-16 7:30 ` Willy Tarreau
2002-11-17 0:03 ` Chris Wedgwood
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