natd.conf problem (was: natd problem (but close!) )

Micheal Patterson micheal at
Fri Dec 26 16:43:01 PST 2003

----- Original Message ----- 
From: "The Bean" <beantaxi at>
To: "Micheal Patterson" <micheal at>; "freebsd"
<freebsd-questions at>
Sent: Friday, December 26, 2003 5:19 PM
Subject: Re: natd.conf problem (was: natd problem (but close!) )

> > You're getting the idea. You're trying to set up a static nat
> > instead of a dynamic nat. Dynamic NAT uses one IP for all traffic from
> > internal systems. Perhaps I should've stated it this way first, my bad.
> > Static Nat setups, a gateway has to have the redirected IP associated
> > it's external nic. It's best if this is an aliased IP so that no traffic
> > the gateway is lost. Then redirect that address to the internal system.
> >
> > specifically,  section 19.13.5 Address Redirection describes this best.
> Indeed, from 19.3.5 (which I just checked) . . .
> "The external IP addresses on the natd machine must be active and aliased
> to the external interface."
> I'm sure I read this section. Since that quote was right at the end, I'm
> also sure I got lost before I got to that part . . . but since I checked
> that section off my list, I probably never reread it.
> Anyway, I took a stab at this a while ago, and sure enough, it fixed the
> "Your bad"? I beg to differ -- you're the guy who fixed this!!! And it's
> bugging me for weeks.
> Thanks so much Micheal.
> - The Bean

Glad I could help. I've been using static NAT for about 2 years now here at
home. :)


Micheal Patterson
Network Administration
TSG Incorporated

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