Build WebGL support? My Custom Photon Server (not loadbalancing)

my version photon server is v4-0-29-11263, my version Unity is 2017.3
at build WebGL, I was try select protocol is WebSocket and WebSocketSecure, check port and add ws:// or wss:// at server address, the webgl can not connect to my photon server.

Does Photon Server support WebGL??

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