DoT answers only for loopback interface

Sten Carlsen stenc at s-carlsen.dk
Mon May 4 19:01:22 UTC 2026


Think that 192.168.0.0/16 = 192.168.x.x  which includes 192.168.10.0/24 so adding your !192…  will only work if if comes in the right sequence relative to the 192.168.0.0/16; (don't recall how priorities work here)

-- 
Best regards 
Sten Carlsen 

A pessimist is a person that can find a problem for every solution.


> On 4 May 2026, at 17.12, poubeline--- via bind-users <bind-users at lists.isc.org> wrote:
> 
> OK, I have found something strange.
> 
> In my named.conf.local file I have:
> 
> acl bogusnets {
>     0.0.0.0/8;  192.0.2.0/24; 224.0.0.0/3;
>     10.0.0.0/8; 172.16.0.0/12; 192.168.0.0/16;
> };
> 
> 
> 
> and in my named.conf.options file I have:
> 
>     blackhole { bogusnets; };
> 
> 
> 
> and in this case I cannot query from my local net.
> 
> If I comment the 'blackhole' line in named.conf.options everything works.
> 
> 
> 
> I don't understand why I cannot query from my local net event if it is not in the 'bogusnets' ACL.
> 
> Even if I add '!192.168.10.0/24;' in the 'blackhole' or in the 'bogusnets' ACL I cannot query from my local net.
> 
> 
> 
> If anyone has a clue, let me know
> 
> 
> -- 
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