[Techtalk] To NAT or not to NAT?

Jenn Vesperman jenn at anthill.echidna.id.au
Thu Nov 14 05:06:12 EST 2002

On Thu, 2002-11-14 at 03:43, Michelle Murrain wrote:

> So my questions are as follows:
> Obviously, I'm going to use NAT for machines in my internal network 
> that aren't servers. But in terms of the servers, what are the real 
> advantages of NAT besides "security by obscurity" which I know isn't 
> sufficient, and, right now isn't necessary, since I'm using IOS 
> access lists as well as ipchains/tables on my servers?

My understanding of NAT is that it was created for coping with shortages
of IP addresses, and that its two advantages are 'security by
obscurity', and 'needing fewer IP addresses'.

I'm not aware of any other advantages.

Jenn V.
    "Do you ever wonder if there's a whole section of geek culture 
        	you miss out on by being a geek?" - Dancer.

jenn at anthill.echidna.id.au     http://anthill.echidna.id.au/~jenn/

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