WebGateways 7.6 does allow SSL WebSockets but no PLAIN Websockets.
IS there a way to enable it ?
In our rule set library you can find a rule set "WebSocket Handling" and you can use websocket.org - Powered by Kaazing for testing.
as explained, just Import the ruleset, In the ruleset you can see an Event where WebSockets are enabled.
You can test your configuration here: websocket.org Echo Test - Powered by Kaazing