[dnsdist] EDNSOptionRule not triggering?

[Remi Gacogne]

Hi Brian,

On 7/31/19 6:57 PM, Brian Sullivan wrote:
> I am using dnsdist 1.4.0-beta1 and am trying to detect queries that are
> using a local/experimental optcode. For example, I have the following in
> the dnsdist.conf file.
> 
> addAction(EDNSOptionRule(65002), DropAction())
> 
> and I see the rule in the webserver.
> 
> [image: Screen Shot 2019-07-31 at 12.47.10 PM.png]
> 
> and I sent a query with the ENDS Option and it doesn't get dropped. I know
> this because I have a Lua script associated with the pdns recursor that is
> processing that specific option.
> 
> lua snippit
>       -- Special Code is in EDNS Option 65002
>       local specialcode = dq:getEDNSOption(65002)
>       if (specialcode) then
>         pdnslog("*************************** Special Code = "..specialcode)
>       end
> 
> Log file Output
> *************************** Special Code = BLAH
> 
> Any idea on what is going on?

Would you be able to share a capture of the query, or at least some way
we can reproduce the issue? I did a quick test -albeit with a different
option- and it worked correctly so I'm assuming I'm not exercising the
same code path that you are.

Best regards,
-- 
Remi Gacogne
PowerDNS.COM BV - https://www.powerdns.com/

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