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

Last Modified: Jan 20, 2023

Bug Tracker

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

Known Affected Versions:
16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3

Opened: Jul 27, 2022
Severity: 3-Major

Symptoms

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.

Impact

Unnecessary events will be triggering and extra processing is required.

Conditions

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

Workaround

None

Fix Information

None

Behavior Change