Bug ID 725879: Internet Explorer running on Windows phone 8.1 gets CAPTCHA during legitimate browsing

Last Modified: Jan 30, 2020

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, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5

Opened: Jun 27, 2018
Severity: 3-Major

Symptoms

Internet Explorer (IE) running on Microsoft Windows phone v8.1 gets CAPTCHA during legitimate browsing.

Impact

CAPTCHA occurs during legitimate browsing.

Conditions

-- Proactive Bot Defense is enabled on a DoS profile attached to a virtual server. -- A client connects using IE on Windows phone v8.1.

Workaround

None.

Fix Information

None

Behavior Change