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

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 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

Fixed In:
12.1.5.1

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

A CAPTCHA event is no longer inadvertently enabled for Internet Explorer browsers on Windows Phone 8.1.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips