different between DNS NT and DNS UNIX

[Len Conrad]

>I wonder if there is any different between mechanic of DNS for win NT
>and mechanic of BIND 9 (DNS for UNIX) in implement dynamic update.

for the updating, no

>Can you explaint for me how DNS for WIn NT implement dynamic update, and
>how BIND9 implement dynamic update and the difference between them

Both BIND8 and BIND9 plus W2K implement dynamic updates per the RFC´s, so 
you should be reading the RFC´s as "DNS design specifications".

The BIND and W2K security features to protect dynamic updates differ in 
that BIND supports TSIG and W2K has a proprietary, or at least not publicly 
documented (I think that point has or will soon changed), equivalent technique.

Len


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