Bug ID 796065: PingAccess filter can accumulate connections increasing memory use.

Last Modified: Jun 28, 2024

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

Known Affected Versions:
15.1.5,, 15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,

Fixed In:
17.1.1, 15.1.10

Opened: Jun 21, 2019

Severity: 3-Major


Currently the maximum http header count value for ping access is 64. The connection to the backend is aborted if there are more than 64 headers.


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


1. Ping access is configured. 2. The HTTP header count is more than 64.



Fix Information

Fixed an issue with the ping access filter.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips