Bug ID 606875: DoS Application - Block requests from suspicious browsers feature causes javascript latency for webapp first page

Last Modified: Nov 20, 2018

Bug Tracker

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

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2

Fixed In:
13.0.0, 12.1.2

Opened: Jul 25, 2016
Severity: 3-Major

Symptoms

When an end-user accesses a web-site's first page there is a noticeable latency until it gets the page content.

Impact

Bad user experience when accessing the website's first page.

Conditions

This occurs when ASM is provisioned with proactive bot defense enabled, when accessing the page for a first time.

Workaround

N/A

Fix Information

The javascript has improved as much as possible to reduce the time to get the website's first page.

Behavior Change