Bug ID 821589: DNSSEC does not insert NSEC3 records for NXDOMAIN responses

Last Modified: Apr 17, 2024

Affected Product(s):
BIG-IP DNS, GTM, LTM(all modules)

Known Affected Versions:
14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4

Opened: Sep 05, 2019

Severity: 3-Major

Symptoms

DNSSEC does not insert NSEC3 records for NXDOMAIN responses.

Impact

DNSSEC does not respond NSEC3 for non-existent domain.

Conditions

-- "process-xfr yes" is set for the dns profile associated with the listener; And -- There is no "Zone Transfer Clients" nameserver configured for that zone. And -- There is no wideip configured.

Workaround

1. Change this setting for dns profile from "process-xfr yes" to "process-xfr no"; Or 2. Add a nameserver for "Zone Transfer Clients" of that zone. Or 3. Add a wideip.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips