Bug ID 438674: When log filters include tamd, tamd process may leak descriptors

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
11.3.0, 11.4.0, 11.4.1, 11.5.0, 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, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6, 11.5.3, 11.4.1 HF9

Opened: Nov 21, 2013
Severity: 2-Critical
Related AskF5 Article:


The log filter functionality in TMOS allows users to publish logs from a specific set of processes to various log destinations.


Client authentication might fail. When a log filter includes tamd, the tamd process might start to leak descriptors.


Configure log filter that includes tamd.


Do not define log filters that include tamd (tamd is included in 'all').

Fix Information

The BIG-IP system no longer sends tamd log messages to the configured remote log destinations.

Behavior Change