Guides tagged “ssl”

Step-by-step MdmHost guides about ssl, sorted A-Z.

101 guides · page 3 of 6

  • HestiaCP: enable Let's Encrypt for web and mail

    Issue Let's Encrypt certificates in HestiaCP for a website and for the mail hostname, then confirm renewal and fix the usual validation errors.

    IntermediateLinux server6 min read

  • How to add Let's Encrypt SSL to OpenLiteSpeed

    Issue a free Let's Encrypt certificate for an OpenLiteSpeed site with certbot's webroot method, add an SSL listener in WebAdmin, redirect HTTP to HTTPS and restart the server automatically after each renewal.

    IntermediateLinux server4 min read

  • How to fix Cloudflare Error 525: SSL handshake failed

    Cloudflare Error 525 means the SSL handshake between Cloudflare and your origin failed. Learn why it happens with Full SSL mode and how to install a working origin certificate.

    IntermediatecPanel hosting2 min read

  • How to fix Cloudflare Error 526: Invalid SSL certificate

    Cloudflare Error 526 appears in Full (strict) mode when the origin certificate is expired, self-signed or issued for another name. Learn how to install a valid certificate.

    IntermediatecPanel hosting2 min read

  • How to fix ERR_SSL_PROTOCOL_ERROR

    ERR_SSL_PROTOCOL_ERROR means the browser and server could not set up a secure connection. Learn the causes, from missing certificates to old TLS versions, and how to fix it.

    BeginnercPanel hosting2 min read

  • How to fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH

    ERR_SSL_VERSION_OR_CIPHER_MISMATCH means browser and server share no TLS version or cipher. Learn the causes, such as missing certificates, old TLS and new domains, and the fixes.

    IntermediatecPanel hosting2 min read

  • How to fix NET::ERR_CERT_AUTHORITY_INVALID

    NET::ERR_CERT_AUTHORITY_INVALID means the browser does not trust whoever issued the certificate. Learn how self-signed certificates, missing chains and antivirus cause it.

    BeginnercPanel hosting2 min read

  • How to fix NET::ERR_CERT_COMMON_NAME_INVALID

    NET::ERR_CERT_COMMON_NAME_INVALID means the SSL certificate does not cover the domain you visited. Learn why it happens with www, subdomains and shared IPs, and how to fix it.

    BeginnercPanel hosting2 min read

  • How to fix NET::ERR_CERT_DATE_INVALID

    NET::ERR_CERT_DATE_INVALID means the certificate is expired or not yet valid, or your device clock is wrong. Learn how to tell which and fix it as a visitor or site owner.

    BeginnercPanel hosting2 min read

  • How to install Caddy web server with automatic HTTPS

    Install Caddy from its official package repository on Ubuntu, Debian, AlmaLinux or Rocky Linux, write a simple Caddyfile, and let Caddy get and renew Let's Encrypt certificates for you.

    BeginnerLinux server5 min read

  • How to secure the WHM hostname with a free SSL certificate

    Get a free, trusted SSL certificate for your cPanel server hostname with AutoSSL, check it with checkallsslcerts and remove the self-signed warning on port 2087.

    IntermediateLinux server4 min read

  • How to set up AutoSSL in cPanel & WHM

    Turn on AutoSSL in WHM, pick the certificate provider, run it for all users, read the logs and make sure free certificates keep renewing on their own.

    BeginnerLinux server4 min read

  • HTTP/3 and QUIC on LiteSpeed: what they are and how to check them

    What HTTP/3 and the QUIC protocol are, why LiteSpeed's built-in support makes sites faster on mobile networks, and how to check your site uses HTTP/3.

    IntermediatecPanel hosting with LiteSpeed3 min read

  • IIS in depth: site bindings, application pools and URL Rewrite

    Go beyond installing IIS on Windows Server: host several sites with host-name bindings and SNI, isolate them in application pools, run PHP via FastCGI and write URL Rewrite rules in web.config.

    IntermediateWindows VPS4 min read

  • Include or exclude domains from AutoSSL in cPanel

    Control which domains and subdomains get free AutoSSL certificates in cPanel, exclude names that do not point to the server, and run a new check on demand.

    BeginnercPanel hosting2 min read

  • Install a free Let's Encrypt SSL certificate in DirectAdmin

    Enable SSL for a domain in DirectAdmin, issue a free Let's Encrypt certificate with www and mail names, force HTTPS and install a paid certificate when needed.

    BeginnerDirectAdmin2 min read

  • Install a paid SSL certificate in DirectAdmin

    Install a commercial SSL certificate in DirectAdmin: create the key and CSR, paste the certificate and CA root bundle, enable SSL for the domain and force HTTPS.

    IntermediateDirectAdmin3 min read

  • Install a paid SSL certificate in Plesk

    Install a purchased SSL certificate in Plesk: create a CSR, upload the certificate and CA bundle, assign it to the domain and redirect visitors to HTTPS.

    IntermediatePlesk3 min read

  • Install a purchased SSL certificate in cPanel

    Generate a private key and CSR in cPanel, order the certificate, then install the certificate and CA bundle under SSL/TLS and check the chain is complete.

    BeginnerLinux server4 min read

  • Install a trusted TLS certificate for Remote Desktop

    Replace the self-signed Remote Desktop certificate with a CA-issued one, bind it to the RDP listener with PowerShell, connect by hostname on port 3389 and plan renewals.

    AdvancedWindows server5 min read

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