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Subject: Re: IP limits from RIPE?
From: Bill Woodcock <[log in to unmask]>
Reply-To:Network management discussion for Nordic region <[log in to unmask]>
Date:Wed, 11 Dec 2002 22:44:59 -0800

TEXT/PLAIN (23 lines)

    > > Giving ADSL private customers full /48's is something I expect a lot of
    > > ISP's will object to

Why?  Real IP addresses have always been one of the things that keep a
customer from switching ISPs...  That is, if an ISP gives a customer real
IP addresses, and the customer uses them, the customer is less likely to
switch providers, because of the work of renumbering.  Thus it's a good
thing for providers.

Patrik: ISPs do get in a bind sometimes when a customer's machine is
broken into and used illegitimately as a warez server, in much the same
way that credit card issuers have to worry about fraudulent use, and don't
have any easy way to distinguish it from legitimate but high levels of
use...  And it's true that not giving end-users real addresses tends to
reduce the frequency of break-ins and the attractiveness of using those
machines as warez servers.

However that's the stupid security-through-obscurity argument again.. ISPs
should both give out real addresses, and encourage users to stick to
secure OSes, and if they're not using a secure OS, firewall them in a way
that the user can configure.


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