Random SSL handshake error since 3 days

Website, Application, Performance Security
1

What is the name of the domain?

What is the error number?

525

What is the error message?

SSL handshake failed

What is the issue you’re encountering

Random SSL handshake failed errors when everything was working like a charm for the last 6 months.

What steps have you taken to resolve the issue?

updating all packages on server side

Was the site working with SSL prior to adding it to Cloudflare?

Yes

What is the current SSL/TLS setting?

Full

What are the steps to reproduce the issue?

It happens randomly so it’s hard to reproduce. When hitting F5 sometimes it’s ok, sometimes only parts of the page are unloaded (like images) sometimes I’ve got a big Cloudflare SSL Handshake error page.

2

Are Cloudflare IP addresses allowed to connect? :thinking:

Otherwise, when was the origin SSL certificate renewed?

May I ask what SSL option have you got selected under the SSL/TLS tab at Cloudflare dashboard for your domain ( Flexible, Full, Full Strict … )? :thinking: