Bug ID 1132425: Change in behavior for the WS_REQUEST event when used in iRule

Last Modified: Apr 28, 2023

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

Known Affected Versions:
16.1.0, 16.1.1, 16.1.2,,, 16.1.3,,,,

Opened: Jul 27, 2022

Severity: 3-Major


WS_REQUEST event should only be triggered when the following headers are present in the HTTP request: ------- Upgrade: websocket Connection: Upgrade Sec-Websocket-Key ------- But in latest versions like 16.1.3 this event is triggered for every HTTP request.


Unnecessary events will be triggering and extra processing is required.


-- Configure an iRule with WS_REQUEST event. -- Include the rule in the Virtual server. -- Use the software version 16.1.3



Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips