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BCP38 tester?
- Subject: BCP38 tester?
- From: marka at isc.org (Mark Andrews)
- Date: Mon, 01 Apr 2013 15:07:54 +1100
- In-reply-to: Your message of "Mon, 01 Apr 2013 14:44:11 +1100." <1364787851.2136.7.camel@karl>
- References: <[email protected]> <1364787851.2136.7.camel@karl>
In message <1364787851.2136.7.camel at karl>, Karl Auer writes:
> On Sun, 2013-03-31 at 22:32 -0400, Jay Ashworth wrote:
> > This thought crossed my mind earlier today, when I asked Jeff if IP-forged
> > packets would make it through a NAT, outbound. He said no (I think), but
> > I'm not entirely sure that's right.
>
> Welll - the packets might make it out, and be transmitted into the
> Internet, but they would have a legitimate source address, namely an
> outside address of the NAT router. A side effect of NAT is to clamp the
> source address range of outbound packets to the configured NAT outside
> address range.
>
> Regards, K.
It depends on how the nat is configured.
Mark
--
Mark Andrews, ISC
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