[dns-operations] cctld enumeration attack

Petr Špaček pspacek at isc.org
Mon Jul 1 08:46:03 UTC 2024


On 13. 06. 24 12:06, Stephane Bortzmeyer wrote:
> On Mon, Jun 10, 2024 at 04:43:27PM -0700,
>   Randy Bush <randy at psg.com> wrote
>   a message of 8 lines which said:
> 
>> anyone else seeing somewhat serious distributed cctld enumeration
>> attempts?
> 
> A consequence of this talk (in French) at the SSTIC conference (5-7
> june)?
> 
> https://www.sstic.org/2024/presentation/dig_com_axfr_dnssec__lister_linternet_grce__dnssec/
> 
> The tool:
> 
> https://github.com/arisada/malifar

The conclusion in
5.4 L'approche pragmatique
got me :-)

TL;DR: We can have lots of fun with NSEC3 but better open the zone right 
away :-)

-- 
Petr Špaček




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