How to use the CDN service provided by Cloudflare on my own domain？

[zzyYesimola]

epiz_31138950,

When I visit my website after I have configured Cloudflare CDN, I get the error:
Error 525 SSL handshake failed

My website uses a free SSL certificate from Let’s Encrypt and works fine with HTTPS before adding Cloudflare CDN

##################

Name server:
JAY.NS.CLOUDFLARE.COM
TINA.NS.CLOUDFLARE.COM
(Cloudflare asked me to delete Infinityfree Nameserver when configuring CDN)

*This is derived using Google Translate and may not be accurate

[wackyblackie]

Which SSL mode do you use at Cloudflare?

[zzyYesimola]

My SSL mode is “Full”

[anon46092769]

To use Full, you need a Self-Signed SSL certificate.

How to setup Full SSL with Cloudflare

By default, Cloudflare uses a system called “Flexible SSL”. In this system, Cloudflare secures the connection between your visitors and Cloudflare, but not the connection between Cloudflare and your website. Not only is this less secure, some websites (notably WordPress) have trouble detecting whether HTTPS is in use, causing all sorts of issues. The best way to resolve this is by using Full SSL in Cloudflare. This way, the connection between Cloudflare and your website is encrypted, and your w…

Since you are using a certificate from Let’s Encrypt, you can use Full (strict) instead.

[KangJL]

@anon46092769

To use Full, you need a Self-Signed SSL certificate.

You need minimally a self-signed cert.

@anon46092769

certificate from Let’s Encrypt, you can use Full (strict) instead.

Full or full(strict) will work fine