Re: Temporary IPv6 addresses vs. netgroups

[David Laight <david%l8s.co.uk@localhost>]

On Fri, Feb 08, 2013 at 05:31:57AM +0700, Robert Elz wrote:
>     Date:        Thu, 7 Feb 2013 20:44:24 +0000
>     From:        David Laight <david%l8s.co.uk@localhost>
>     Message-ID:  <20130207204423.GG28257%snowdrop.l8s.co.uk@localhost>
> 
>   | I thought that some web servers do IP address checking.
> 
> For the kind of address changing that is being discussed here, they cannot
> really now (one special case excepted) - NAT pretty much guarantees that
> the local part of most users' addresses are unpredictable, and not stable
> over time (that is kind of what v6 temporary addresses seek to replicate).

Eh? NAT tends to fix the source address, it is DHCP that will randomise it.

        David

-- 
David Laight: david%l8s.co.uk@localhost