Bug ID 1079637: Incorrect Neuron rule order

Last Modified: Jun 12, 2022

Bug Tracker

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2

Fixed In:
17.0.0, 16.1.3, 15.1.5.1

Opened: Feb 09, 2022
Severity: 3-Major

Symptoms

The order of Neuron rules created for the virtual servers may be incorrect.

Impact

There are several features that rely on the Neuron rules. In case of hardware SYN Cookie a TCP virtual server may not receive the TCP SYN packets even if the virtual server is not in SYN Cookie mode. Some sPVA feature may behave unexpectedly.

Conditions

- Platforms with Neuron support (BIG-IP iSeries) configured with a Turboflex profile other than turboflex-base.

Workaround

None

Fix Information

The order of the Neuron rules is now correct.

Behavior Change