Traditionally for every SSL certificate issued, you needed a separate and unique IP address. However if you compile OpenSSL and NginX with TLS SNI (Server Name Identification) support you can install multiple SSL certificates without having to bind a domain name to a specific IP address or require each certificate to have its own unique IP.
Tag: ssl
Using Namecheap’s Free SSL with Nginx
Most of my domains are registered with Namecheap, and powered by Nginx. The site you are viewing now is one such example. Currently with Namecheap, domain registrations, hosting, transfers and WhoIS protection come with a free PositiveSSL subscription. This section will show you how to generate a certificate request with OpenSSL and how to install the provided certificate into Nginx.