Bug ID 1251157: Ping Access filter can accumulate connections increasing the memory use

Last Modified: Mar 30, 2024

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

Known Affected Versions:
15.1.8,,, 15.1.9,

Fixed In:
17.1.1, 15.1.10

Opened: Feb 23, 2023

Severity: 3-Major


The maximum HTTP header count value for ping access is 128. The connection to the backend is aborted if there are more than 128 headers.


Connection is aborted by the BIG-IP, users are unable to access the backend.


- Ping access is configured. - The HTTP header count is more than 128.



Fix Information

Fixed the issue with the ping access filter.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips