Two very common questions people ask us are “do I need a dedicated IP for SSL?” and “Is SSL without a dedicated IP possible?” Both related questions are understandable because SSL/TLS certificates as a concept can be pretty confusing thing to deal with at times — especially if you’re coming across it for the first time. And that’s why we’re here — to help you make sense of topics relating to SSL.
How to Set Up Multiple SSL Certificates on One IP
Before a transport layer security (TLS) extension called Server Name Indication (SNI) was published, secure sockets layer (SSL) certificates were limited to organization validation (OV) SSL certificates that secured an IP address. For a website to use SSL, it needed a dedicated IP. Today, that couldn’t be further from the truth.