RE: State Super-DMCA Too True

From: McBurnett, Jim (no email)
Date: Sun Mar 30 2003 - 17:18:42 EST


maybe I should have said Stateful inspection..
IE inspection of SMTP whereas it limits the commands
that are allowed and makes protocol adjustments.

thanks,
J

> -----Original Message-----
> From: E.B. Dreger [mailto:eddy+public+]
> Sent: Sunday, March 30, 2003 5:11 PM
> To:
> Subject: RE: State Super-DMCA Too True
>
>
>
> JM> Date: Sun, 30 Mar 2003 10:34:28 -0500
> JM> From: "McBurnett, Jim"
>
>
> JM> NAT-- HMMM - In my eyes that is a security precaution for the
> JM> ignorant.. Think of this: Joe user goes to Wally World, or
> JM> Staples and get's a Linksys BEFSR11 cable/dsl router. He adds
> JM> NAT, and walla, his computer is no longer wide open to the
> JM> world... Albeit not a stateful firewall, it is much more
>
> Actually, it _is_ stateful. It tracks state so it knows what
> inbound traffic is directed to what IP:port on the inside, or
> dropped if no match is found.
>
> Run 1:1 NAT and see how secure that is. Run a "public" IP
> address with stateful rules that drop inbound traffic unless
> outbound traffic happened "recently". Compare.
>
> NAT's "security" is a by-product of state that is necessary to
> achieve 1:N mapping.
>
>
> Eddy
> --
> Brotsman & Dreger, Inc. - EverQuick Internet Division
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