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Re: Cable Vs. DSL

From: Brian Eckman <eckman(at)umn.edu>
Date: Wed Apr 30 2003 - 10:41:07 EDT

> NAT basically provides you with about as much security as your mp3
> player, which is to say none at all.

Now that is just absurd. His mp3 player probably has several security flaws like being tricked into executing file types it has no business knowing about or simple old-fashioned buffer overflows. ;-)

You mean to tell me, you take the average cable modem luser with file sharing turned on and administrator with no password, and you put them behind a router with NAT and there is *no* benefit? I don't know about your router but mine was configured out of the box to not listed on *any* port by default, allowing me if I choose to do so to open SSH, Web, etc. Mine certainly isn't letting people login to my Windows (or other) machines remotely.

Hypothetical situation. I rebuild my Windows box at home and give it no Administrator password. Try logging into my Windows box via my router's IP address. Then, try logging into it using 192.168.101.101. Take my router out and put the box on the net, and you'd have no problem logging in it then, right?

No single layer of security will protect you from everything. However, NAT provides another layer of security that *is* beneficial to most people.

-- 
Brian Eckman
Security Analyst
OIT Security and Assurance
University of Minnesota
612-626-7737

"There are 10 types of people in this world. Those who
understand binary and those who don't."


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Received on Wed Apr 30 13:41:29 2003

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