George Thessalonikefs george at nlnetlabs.nl
Tue Jun 29 08:15:01 UTC 2021

Hi Felipe,

This was added to help users that have set a ratelimiting option towards 
nameservers (i.e. the ratelimit* options, not the ip-ratelimit* options) 
differentiate between SERVFAIL answers for other reasons and SERVFAIL 
answers because the ratelimit was engaged.

Best regard,
-- George

On 28/06/2021 20:56, Felipe Gasper via Unbound-users wrote:
> Hello,
> 	What is the idea of this value? Is it that, if libunbound has met a threshold of concurrent requests, it will refuse to send out any further requests until some have finished?
> 	If so, is that threshold configurable?
> 	Thank you!
> cheers,
> -Felipe Gasper

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