Bug ID 1210569: User defined signature rule disappears when using high ASCII in rule

Last Modified: Jan 04, 2023

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

Opened: Dec 16, 2022

Severity: 4-Minor


WebUI display is empty.


Unable to see the rule in webUI.


When the configured rule has high ASCII (greater than 127) value.


Use the following steps: 1. Navigate to Security > Options > Application Security > Attack Signatures. 2. Create a new signature in Advanced Edit Mode. After setting, confirm the setting value with the developer tool. 3. Add it to the signature set (backed by actual signature detection confirmation). 4. Remove the old signatures from signature set.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips