Paul Vixie: Re: [dns-operations] DNS issue accidentally leaked?

Thu Jul 24 20:39:31 UTC 2008

> For one iPhone it reported 209.183.54.151 as having GREAT source port 
> randomness and GREAT transaction ID randomness.  However, despite the 
> test reporting GREAT, the source ports were _definitely_ non-random.
> 
> http://5d93b9656563a44e4c900ff9.et.dns-oarc.net/
> 

"Proving random" is not easy. Proving random that isn't done by certain 
methods (i.e. certain algorithms or certain sources of entropy) is easier.

Deepak