[97202] in North American Network Operators' Group

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Re: Security gain from NAT (was: Re: Cool IPv6 Stuff)

daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Mon Jun 4 15:05:47 2007

To: Jim Shankland <nanog@shankland.org>
Cc: Owen DeLong <owen@delong.com>, NANOG list <nanog@nanog.org>
In-Reply-To: Your message of "Mon, 04 Jun 2007 11:32:39 PDT."
             <E1HvHM7-0007vr-6F@mail.shankland.org>
From: Valdis.Kletnieks@vt.edu
Date: Mon, 04 Jun 2007 14:54:01 -0400
Errors-To: owner-nanog@merit.edu


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On Mon, 04 Jun 2007 11:32:39 PDT, Jim Shankland said:
> *No* security gain?  No protection against port scans from Bucharest?
> No protection for a machine that is used in practice only on the
> local, office LAN?  Or to access a single, corporate Web site?

Nope. Zip. Zero. Ziltch.  Nothing over and above what a good properly
configured stateful *non*-NAT firewall should be doing for you already.



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