[dns-operations] Vista and the PNRP protocol

Jeroen Massar jeroen at unfix.org
Thu Nov 9 10:41:17 UTC 2006

Stephane Bortzmeyer wrote:
> The protocol does not seem specified in a public document (or is
> it?). The closest thing to a technical description is:
> http://www.microsoft.com/technet/itsolutions/network/p2p/pnrp.mspx

It's a directory of resources which makes it is as much "DNS" as
Kazaa/Gnutella/whatever-p2p-warez-thing allows one to find resources
(files) on the Kazaa p2p network.

One fundamental thing is that there is no 'root' as such a trusted
delegation can never exist and you will never know if the resource you
are trying to access is really the one you want or is just a spoof of
the one you asked for. With DNS, even without DNSSEC, if you typed the
correct name, you can be pretty sure that that is the real one.


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