Re: [LUG] NAT/PAT/IP-Masquerade

[Colin Ford <colin.ford at pipinghotnetworks.com>]

In the RFCs they call it NAT and NAPT.
OK here I go with my RFC spotters hat on......

NAT = RFC 1631

Col.

Jon Still wrote:

> Quick thing I found out recently!  If you say "IP Masquerade" to a
> networking person and they go "duhhhh", then tell them it's PAT (Port
> Address Translation) under another name.
>
> The difference between PAT and NAT is that NAT tends to use a pool of
> addresses and maps a single private address to a single public address
> (either statically or dynamically).  PAT on the other hand (as we
> know) uses a single IP address to represent the entire private network and
> does the forwarding based on other IP information (src/dest ports and
> addresses).
>
> So there we go.  Here endeth today's lesson. :)
>
> J.
>
> --
> Jon Still                               E-mail: jon at termisoc.org
> System Administrator                    Web:    http://www.termisoc.org/~jon/
> TermiSoc - UPSU Computing Society       Tel:    +44 (0)7977 066087
>
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