[getdns-api] EDNS options are for server to server communications

[Paul Hoffman]

On Feb 13, 2014, at 6:54 AM, Willem Toorop <Willem at NLnetLabs.nl> wrote:

> EDNS0 options are for server to server communications. Therefore the
> extensions that set them can only work in stub (i.e. target a specific
> server) mode.
> 
> How about a GETDNS_RETURN_EDNS0_WITH_RECURSIVE_DISALLOWED return code?
> 
> -- Willem
> 
> PS.  Okay, except the maximum accepted udp_payload_size which is
> configurable for a recursive too, but not on a per query basis...
> Assigning the value to a context with the
> getdns_context_set_edns_maximum_udp_payload_size is adequate for a
> recursive...

I'm not that much in favor of the new return code for the exact reason you give in the PS. But I can live with it if others feel that the API should be clearer on the server-to-server aspect.

--Paul Hoffman


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