full-disclosure - Microsoft urging users to buy Harware Firewalls

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Message-ID: <200308140218.h7E2IM60003292@turing-police.cc.vt.edu>
From: Valdis.Kletnieks at vt.edu (Valdis.Kletnieks@...edu)
Subject: Microsoft urging users to buy Harware Firewalls 

On Wed, 13 Aug 2003 20:04:47 EDT, "Richard M. Smith" <rms@...puterbytesman.com>  said:

> Windows directory from being accessed from the Internet.  My only
> question is why aren't NAT routers built into all cable and DSL modems.

Because NAT is *not* a be-all and end-all.  NAT *does* break things.

You can't easily do IPSec through a NAT (meaning you need to do some tap-dancing
if you want to VPN from one).

NAT breaks a lot of end-to-end stuff - for instance, if you have a NAT, it's *REALLY*
hard to have 2 different machines running servers on the same port.

http://www.ietf.org/rfc/rfc3027.txt?number=3027 for all the gory details
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