Last Modified: May 14, 2019
See more info
Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3
Opened: May 30, 2017
Related AskF5 Article: K92494571
A WebSocket URL is not detected as such in the switch-protocol request.
Over the SSL connection the request URL is not detected as '/wss' but as the wildcard URL. Over the non-SSL connection the request will be detected as '/wss' the WebSocket URL.
-- ASM policy with 'Differentiate between HTTP/WS and HTTPS/WSS URLs' disabled. -- Explicit WebSocket URLs, '/wss' configured. -- The ASM policy is attached to both a non-SSL virtual server and an SSL virtual server. -- Requests arrives, one from the SSL connection and one from the non-SSL connection.
Enable 'Differentiate between HTTP/WS and HTTPS/WSS URLs'.
A WebSocket URL is now detected as such in the switch-protocol request.