On Nov 9, 2012, at 10:42 AM, Dean Willis wrote:

> AD asks: section 6.4.2.1: What prevents/detects replay of JoinReq messages? 
> If replay worked, then I could cause lots of havoc since the responding peer 
> will do a bunch of Stores and Updates.
> 
> 
> 6.4.2.2 says "Because leaves may only be executed between nodes which are 
> directly
>   adjacent, receiving peers MUST verify that any LeaveReq they receive
>   arrives from a transport channel that is bound to the Node-ID to be
>   assumed by the leaving peer.)  This also prevents replay attacks
>   provided that DTLS anti-replay is used.". 
> 
> 
> There's no such text for JoinReq and I'm not exactly sure that the rest of 
> the document prevents routing of LeaveReq or JoinReq.
> 
> How do we want to handle this?


I met with Cullen and EKR today on this.

The document DOES have text for JoinReq. I wlll review the document for other 
incidental mentions of routing of LeaveReq and JoinReq and if I find any, will 
take steps to fix them. If you are aware of any such text, please point it out 
to me.

--
Dean
 
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