Bug ID 738674: Ajax blocking page breaks ajax based applications

Last Modified: May 29, 2024

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

Known Affected Versions:
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

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips