Conventional wisdom states that in order to secure your website with an SSL certificate, you need a dedicated IP address. For a long time that’s been true; SSL (and its successor TLS) are low-level encryption protocols with no awareness of domains, or even HTTP. Because of this, there’s historically been no way to share IP addresses between websites that each have their own SSL certificates. This has always been very inefficient on IP addresses. Without SSL, shared hosting allows you to serve hundreds, or even thousands, of websites from a single IP, whereas an IP that’s used for providing SSL […]
SNI: Why SSLs Won’t Need Their Own IPs for Much Longer
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