Bug ID 1292093: Neuron based HW SYN cookie broken due to ZBDDOS feature porting to 16.1.x

Last Modified: Dec 07, 2023

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

Fixed In:
16.1.4

Opened: Apr 24, 2023

Severity: 2-Critical

Symptoms

In 16.1.x, Neuron based HW SYN cookie is broken.

Impact

This breaks the HW SYN cookie functionality

Conditions

-- Neuron-equipped hardware (BIG-IP iSeries) -- Configure TCP Half Open at profile level. -- Send Traffic. -- Check HW SYN Cookies.

Workaround

None

Fix Information

Updates are implemented to return the correct parameters and HW SYN Cookie is working fine

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips