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Re: Last Call: draft-klensin-rfc2821bis

2008-03-30 23:22:30
agree with most of what you said, however:

Since bad guys can  deduce addresses by scanning --and will certainly do so 
if we 
make it sufficiently hard for them to use the DNS-- this type of 
DNS change, it seems to me, would have little effect on the 

note that scanning is a lot harder in IPv6 than it was in IPv4, because 
such a large address space is delegated to a customer and the normal 
assumption of stateless address autoconfiguration implies that addresses 
are allocated sparsely within the last 64 bits.

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