As I was following the tutorial through this topic “How To Secure Apache with Let’s Encrypt on Ubuntu 18.04”

After step 4 I did see “Congratulation” message but when I try my site ( it redirect to and shows “The connection for this site is not secure” and “ERR_SSL_PROTOCOL_ERROR”

If necessary I can post the files under sites-enabled etc.


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Hi @ellypu,

Usually this is a problem related to your Apache configuration file with the vconf for 443 not being correct.

I can see your website is now loading properly now. Can you share what was the exact problem in this case so that other users that stumble on this question can see the answer?

Regards, KFSys