Bug ID 533820: DNS Cache response missing additional section

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP GTM, LTM(all modules)

Known Affected Versions:
11.2.1, 11.4.1, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 12.0.0, 12.0.0 HF1, 12.0.0 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