Answer these questions to help the Community help you with Security questions.
Have you searched for an answer? yes i try
Describe the issue you are having:
What error message or number are you receiving?
uses an unsupported protocol.
What steps have you taken to resolve the issue?
- fix a name on DNS
- check node from my ISP
- let engineer check my domain that’s i registered in Cloudflare
*Was the site working with SSL prior to adding it to Cloudflare?*yes
What are the steps to reproduce the error:
- not reach
- unsupport protocol
Have you tried from another browser and/or incognito mode? yes i do
Please attach a screenshot of the error:
Welcome to the community!
Could you check what SSL/TLS mode you are currently using? You should change it to Full (Strict) and install an Origin Server certificate in your server.
Also, this topic may help you:
Hope it does!
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