Bug ID 757486: Errors in IE11 console appearing with Bot Defense profile

Last Modified: Mar 27, 2020

Bug Tracker

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

Known Affected Versions:
14.1.0,,,,,,, 14.1.2,,,, 15.0.0, 15.0.1,,, 15.1.0

Opened: Feb 03, 2019
Severity: 4-Minor


When Bot Defense profile is used and has Browser Verification enabled to either Verify Before Access, or Verify After Access, Microsoft Internet Explorer v11 (IE11) Browsers may display the following errors in the browser console: HTML1512: Unmatched end tag. a.html (26,1) HTML1514: Extra "<body>" tag found. Only one "<body>" tag should exist per document. a.html (28,1)


Cosmetic error messages appear in an end user's browser console.


-- Bot Defense profile is enabled with Browser Verification. -- End user clients are using the IE11 browser.



Fix Information


Behavior Change