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 Common SSL Certificate Errors and How to Fix Them

SSL/TLS errors block visitors from accessing your site securely and can be caused by several...

 HTTP to HTTPS Redirect: Forcing SSL on Nginx & Apache

Once SSL is installed, visitors reaching your site over plain HTTP should be automatically...

 How to Install Let's Encrypt SSL with Certbot (Nginx & Apache)

Let's Encrypt provides free, automated SSL/TLS certificates trusted by all major browsers....

 How to Install a Wildcard SSL Certificate with Certbot DNS Challenge

A wildcard certificate secures a domain and all of its subdomains (*.example.com) with a single...

 How to Renew and Auto-Renew Let's Encrypt Certificates

Let's Encrypt certificates are valid for only 90 days by design, to limit the impact of a...

 How to Secure a VPS Without a Domain Name (IP-Only SSL Options)

Let's Encrypt and most free SSL providers require a domain name — they cannot issue a...