Bug ID 722337: Always show violations in request log when post request is large

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,, 14.1.0,,,,,, 14.1.2,,,,,,, 15.1.0,,,,, 16.0.0,, 16.0.1

Fixed In:

Opened: May 30, 2018
Severity: 3-Major


The system does not always show violations in request log when post request is large.


Although the violations is handled correctly, it is not reported.


A large post request with many parameters is sent.


Disable learning mode. The internal parameter pb_sampling_high_cpu_load can define what is seen as high CPU load above which sampling does not take place. The default is 60. -- Using a lower value reduces the chances of sampling data. -- Using 0 makes sampling never happen and thus this issue does not occur (this slows down automatic policy building).

Fix Information


Behavior Change