Re: BIND9.18.33 after upgrade to this version, same BIND configuration no longer accepts dynamic DNS updates with SIG0 keypairs

Upgrade to 9.20. Some computational denial of service fixes involving SIG(0) where not back ported to 9.18 but rather the path was just disabled. > On 2 Sep 2025, at 05:37, Adam Burns wrote: > > Hi all, > > I'm trying to debug some dynamic update zones (using SIG0 keys) after a BIND > versio

BIND9.18.33 after upgrade to this version, same BIND configuration no longer accepts dynamic DNS updates with SIG0 keypairs

Hi all, I'm trying to debug some dynamic update zones (using SIG0 keys) after a BIND version upgrade, and I'm hoing someone on this list can give advice on potential root cause or at least suggestions on how to debug ... The instance has been working perfectly through upgrades until at least