Sni -

However, in a world of cloud hosting, a single IP address often hosts hundreds of different websites. Without SNI, the server had no way of knowing which certificate to show the visitor. It was like a mail carrier arriving at an apartment building with 100 tenants, but the envelope only had the street address and no name. The carrier wouldn't know which door to knock on, so they might show the wrong ID, causing a security error. The Solution: A Name on the Door

To understand SNI, you must first understand the fundamental problem of HTTPS. However, in a world of cloud hosting, a

While SNI saved the web's scalability, its lack of privacy has become a focal point for security researchers. We are currently moving toward "Encrypted SNI" (ESNI) and ECH. These technologies aim to wrap the SNI information in a layer of encryption before it ever leaves your computer, making it nearly impossible for third parties to track your browsing habits. 💡 Alternative Interpretations The carrier wouldn't know which door to knock

Browser says: "Give me a secure connection to example.com at this IP address." We are currently moving toward "Encrypted SNI" (ESNI)

Browser says: "Give me a secure connection to this IP address."