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Open Resolver Problems

On Mon, 25 Mar 2013, Nick Hilliard wrote:

> The best solution is to disable open recursion completely, and police 
> your clients regularly.

Is there an officially sounding document with "open resolver considered 
harmful" or alike?

It's not trivial to deal with a corporate client with an open resolver. 
You can't really shut them off, can't filter them etc. Googling for <open 
resolver considered harmful> yields nothing I can point customers to.

<http://www.ietf.org/rfc/rfc5358.txt> is the closest I can find?

Mikael Abrahamsson    email: swmike at swm.pp.se