Bug ID 533820: DNS Cache response missing additional section

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.2.1, 11.4.1, 11.6.0, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.1.0, 12.0.0 HF3, 11.6.1, 11.5.4 HF2, 11.4.1 HF10

Opened: Jul 16, 2015

Severity: 3-Major

Symptoms

Resolver cache lookups are missing authority and additional sections.

Impact

If the requesting client needs the information that would normally be included in the authority or additional sections, it would have to make additional queries to acquire that data.

Conditions

Resolver cache lookups could be missing the authority and additional sections for A and AAAA queries if the DO bit is also not set.

Workaround

none

Fix Information

The resolver cache now correctly includes the information available for the authority and additional sections if the information is available.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips