Bug ID 595900: Cookie Signature overrides may be ignored after Signature Update

Last Modified: Apr 10, 2019

Bug Tracker

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
13.0.0, 12.1.3

Opened: May 26, 2016
Severity: 3-Major
Related AskF5 Article:


Cookie Signature overrides may be ignored after Attack Signature Update.


Cookie Signature overrides are ignored.


Cookie Signature overrides are configured in the policy, and Attack Signatures are updated.


Remove Cookie Signature override and re-add it.

Fix Information

Cookie Signature overrides are observed correctly, even after Signature Update.

Behavior Change