SSL Certificates articles
Announcements
Getting started
Explanation
Certificate Concepts
- What is a Certificate Authority?
- What is the SSL Certificate Chain?
- What is a Root Certificate?
- What is the Subject Alternative Name (SAN)?
- What is a Certificate Signing Request (CSR)?
- What is the SSL Certificate Common Name?
- Understanding SSL Private Keys
- How HTTPS Works
Certificate Types
Certificate Processes
- SSL Certificate Lifecycle
- How does an SSL Certificate Renewal work?
- How Auto-Renewal Works for SSL Certificates
- How long does it take to issue an SSL certificate?
- Domain Validation Methods for SSL Certificates
- CAA Records and SSL Certificates
Certificate Providers
How-to
Ordering Certificates
- Ordering a Sectigo SSL Certificate
- Ordering a Wildcard SSL Certificate
- Ordering a Let's Encrypt Certificate
Renewing Certificates
- Renewing an SSL Certificate
- Renewing a Sectigo SSL Certificate
- Renewing a Let's Encrypt SSL Certificate
- How to Set Up Auto-Renewal for SSL Certificates
Reissuing Certificates
Certificate Configuration
- Choosing the SSL Certificate Names
- SSL Certificate Email-Based Domain Validation
- How to Select a Different SSL Certificate Domain Validation Email
- How to Switch From an ECC-Signed Certificate to RSA
- How to Validate Your Domain for an SSL Certificate
Certificate Management
- How Do I Determine the Certificate Authority That Signed My SSL Certificate?
- Expiring Product Email Notifications
Installation
- Installing an SSL Certificate
- How to Install an SSL Certificate on Apache
- How to Install an SSL Certificate on Microsoft IIS
- How to Install an SSL Certificate on NGINX
- How to Install an SSL Certificate on Heroku
- How to Install an SSL Certificate on Microsoft Azure
- How to Install an SSL Certificate on Windows
Troubleshooting
- Troubleshooting SSL Certificate Errors
- Troubleshooting SSL Certificate Issuance Delays
- Troubleshooting Email Validation for SSL Certificates
- Troubleshooting Let's Encrypt Certificate Failures
- Troubleshooting SSL Certificate Chain Errors
- Troubleshooting Heroku SSL Errors
Reference
Product Specifications
Glossary
Certificate Files and Formats
Certificate Authorities
Capabilities and Limits
- Do You Support Elliptic Curve Cryptography (ECC) SSL Certificates?
- Do You Support Extended Validation (EV) SSL Certificates?
- Do you support multi-year SSL certificates?
- Can I Upgrade a Single-Hostname SSL Certificate to a Wildcard SSL Certificate?
- SHA-2 SSL Certificates