Bug ID 1112089: Prevent zrd from rolling back named.conf file in wrong situations

Last Modified: Oct 04, 2024

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

Known Affected Versions:
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, 15.1.5, 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, 15.1.10.5, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1

Opened: Jun 03, 2022

Severity: 3-Major

Symptoms

The zrd process may roll name.conf back which may cause unexpected changes. This shows up in the /var/log/gtm file or in the GUI with a message similar to the following: err zrd[27809]: 01150306:3: Error connecting to named socket 'Connection refused'. (or) err zrd[16198]: 01150306:3: Error connecting to named socket 'Connection timed out'.

Impact

Looking up or modifying zone records may fail. This will affect the other members in the gtm sync group as well.

Conditions

As of now list include the following scenarios: -- One of the scenario is seen as part of ID1083405 - see https://cdn.f5.com/product/bugtracker/ID1083405.html -- Named process isn’t running, updating wide IPs will cause the same symptom.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips