Bug ID 624361: Responses to some of the challenge JS are not zipped.

Last Modified: Sep 13, 2023

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

Fixed In:
13.0.0, 12.1.2 HF1

Opened: Oct 21, 2016

Severity: 3-Major


Performance is affected on the JS challenge.


1. These responses consume more CPU and more Bandwidth than needed. 2. Client-side latency is degraded. 3. More disk space is utilized than needed


The following is turned on in the application dos configuration : CS challenge, or PBD challenge when Suspicious browsers are disabled or the Device-ID challenge.



Fix Information

Some of the JS challenge have better performance now.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips