Are there any peculiarities in setting up or connecting wss or in general in providing the possibility of a websocket connection via a specific port on a free tariff plan? My web application cannot connect to its own server via a web socket. As soon as I disconnected the application from your service, everything immediately started working.
If using WSS with Cloudflare, please consider and make sure to:
- Have the WebSockets option enabled at Cloudflare dashboard → Network tab
- Make sure to use WSS via HTTPS (SSL/TLS tab → Full Strict SSL)
- Make sure your Web app works over one of the supported and compatible ports with Cloudflare proxy mode
, which can be found at the list from the link https://developers.cloudflare.com/fundamentals/get-started/network-ports
That is, the port can not be any, but only from the proposed cloudflare?
Otherwise, it would work fine if you switch to 
(DNS-only), while the proxied hostname has to work over a supported and compatible ports as already linked from my previous post.
You can also, hm, use some kind of a proxy / load-balancer (Kemp?) at your origin host/server to make it work on the one needed.
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