Bug ID 513757: Dos L7 attack ID correlation between blades doesn't always work

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.1.0

Opened: Mar 22, 2015

Severity: 3-Major

Symptoms

There are two types of symptoms to the attack ID correlations issue - A crash and an un-synced attack ID.

Impact

Sometime the attack ID is not correlated. A crash can also happen due to load on the session db.

Conditions

A DoS attack happening on a multi-bladed system.

Workaround

N/A

Fix Information

We fixed DoS Layer 7 attack-ID blade synchronization.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips