Error 525 SSL Handshaking Failed


#1

Hello There
I was activating SSL on one of the domain i have added into my account, I have added other domains as well and all of the domain are hosted on same server, and SSL is working perfectly for the rest of them except one, on which i am getting this error 525 ‘handshaking failed’. What could be the possible reason for this and please help me out with the solution.
Thanks and regards


#2

Possibly the certificate on your server is invalid or SSL is not activated. Did you check it?
Another reason could be that your server doesn’t accept connections in port 443


#3

The most common causes include:

  • The origin web server does not have a valid SSL certificate installed.
  • The origin web server is not listening on port 443 (or other custom secure port).
  • The origin web server does not support or is not configured properly for SNI.
  • The cipher suites that Cloudflare accepts and the cipher suites that the origin server supports do not match.

source


#4

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