Bug ID 441249: Activating session awareness may cause intermittent hanged request

Last Modified: Jul 12, 2023

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

Known Affected Versions:
11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0

Fixed In:
11.6.0, 11.5.1, 11.5.0 HF1, 11.4.1 HF4, 11.4.0 HF6, 11.3.0 HF9

Opened: Dec 19, 2013

Severity: 3-Major


You sometimes see hanged requests that expire after 5 minutes.


Some requests hang that expire after 5 minutes.


1. Enabling session awareness. 2. Changing mandatory/custom headers configuration during traffic.



Fix Information

We fixed a rare issue where requests were not processed correctly by the system when the session awareness feature was enabled.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips