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Date:      Wed, 3 Mar 2004 10:24:25 +1100 (Australia/ACT)
From:      Darren Reed <avalon@caligula.anu.edu.au>
To:        bms@spc.org (Bruce M Simpson)
Cc:        freebsd-security@freebsd.org
Subject:   Re: [PATCH] Force mountd(8) to a specified port.
Message-ID:  <200403022324.i22NOQ7B015446@caligula.anu.edu.au>
In-Reply-To: <20040302211030.GJ7115@saboteur.dek.spc.org> from "Bruce M Simpson" at Mar 02, 2004 09:10:30 PM

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In some mail from Bruce M Simpson, sie said:
> Hi all,
> 
> I have a requirement to run NFS read-only in an Internet-facing colocation
> environment. I am not happy with packet filters alone around rpcbind, call
> me paranoid, so I just spent the last few minutes cutting this patch.
> 
> As you are aware, RPC applications can be forced to listen on a known port
> through the sin/sa argument to bindresvport[_sa](). Why several Linux
> distributions have this feature yet none of the BSDs do is beyond me...
> 
> Please let me know your thoughts. If there are no valid objections I plan
> to commit it.

I'm confused by your first paragraph...the primary purpose of a patch
like this would be, I imagine, to support being able to write filter
rules for your firewall with a specific port defined rather than have
to determine it after rpcbind & mountd have started.

Darren



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