Bug ID 738674: Ajax blocking page breaks ajax based applications

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 13.1.5,

Fixed In:

Opened: Jul 30, 2018
Severity: 3-Major


When ajax blocking page is enabled within ASM policy it interferes with the web-app's ajax API's by hooking ajax responses. As a result ajax response isn't passed to a native response handler. The symptoms are ajax requests stuck or not being fired.


Ajax based web-app won't work properly.


- ASM Provisioned - ASM policy attached to a virtual - Ajax Blocking page enabled within asm policy


Disable Ajax Blocking page feature in asm policy.

Fix Information

ASM Ajax blocking response hooks are fixed to address the issue.

Behavior Change