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Date:      Thu, 2 Jul 1998 18:23:39 +0000
From:      Niall Smart <rotel@indigo.ie>
To:        Poul-Henning Kamp <phk@critter.freebsd.dk>, rotel@indigo.ie
Cc:        "Allen Smith" <easmith@beatrice.rutgers.edu>, dg@root.com, security@FreeBSD.ORG, njs3@doc.ic.ac.uk, dima@best.net, abc@ralph.ml.org, tqbf@secnet.com
Subject:   Re: bsd securelevel patch question
Message-ID:  <199807021723.SAA00883@indigo.ie>
In-Reply-To: Poul-Henning Kamp <phk@critter.freebsd.dk> "Re: bsd securelevel patch question" (Jul  2,  7:04pm)

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On Jul 2,  7:04pm, Poul-Henning Kamp wrote:
} Subject: Re: bsd securelevel patch question
> >
> >Thats not true, if he hacks the user/group that the web server runs
> >at then he only owns the web server, the only additional priviledge
> >he gains is the ability to bind to port 80.
> 
> which is worse that the standard:  he cannot bind to any port < 1024.

Well, this depends on how the server runs, if it binds to the port
and then setuid()'s to a lower priviledge then this is true.  There
are clients out there that are purely setuid just so they can bind
to a port < 1024 however, so it has valid uses.

Niall

-- 
Niall Smart.        PGP: finger njs3@motmot.doc.ic.ac.uk
FreeBSD: Turning PC's into Workstations: www.freebsd.org

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