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From: Chris Whitehouse <chris@childeric.freeserve.co.uk>
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Subject: Re: Gotta start somewhere ... how many of us are really out there?
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Alex Zbyslaw wrote:
> Colin Percival wrote:
> 
>>

> Counting portsnap and cvsup accesses is non-intrusive - i.e. nothing 
> sent from local host - will count systems from any version of FreeBSD, 
> but will never count everything because sites with multiple hosts may 
> easily have local propagation mechanisms.  But you will get an order of 
> magnitude.  However, how do you deal with systems with variable IPs?  I 
> don't know enough about the internals of either portsnap or cvsup to 
> know if there is some kind of unique id associated with hosts.  If not, 
> then you'd wildly over count for many home-based, variable IP systems.  

Maybe not so many, my non-static ip hasn't changed since I signed up 3 
years ago despite turning off the modem for the odd day or two. Another 
network I look after also hasn't changed in a year.

Chris