Bug ID 783417: ASM CAPTCHA preview pages don't display the page properly

Last Modified: Nov 14, 2022

Bug Tracker

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

Fixed In:

Opened: May 19, 2019
Severity: 4-Minor


The CAPTCHA image and corresponding icons are not shown in the window showing CAPTCHA message.


The CAPTCHA preview cannot be seen properly by the user.


1. Go to Security ›› Application Security : Policy : Response Pages. 2. Go to CAPTCHA section. 3. Press on 'show' button. 4. Preview of the CAPTCHA is not displayed properly. 5. Go To CAPTCHA Fail section. 6. Press on 'show' button. 7. Preview of the CAPTCHA Fail is also not displayed properly


This only affects the preview.

Fix Information

Images are shown properly after fix.

Behavior Change