A couple of weeks ago we announced support for the encrypted Server Name Indication (SNI) TLS extension (ESNI for short). As promised, our friends at Mozilla landed support for ESNI in Firefox Nightl.
Today we announced support for encrypted SNI, an extension to the TLS 1.3 protocol that improves privacy of Internet users.
TLS 1.3 (RFC 8446) was published today. This article provides a deep dive into the changes introduced in TLS 1.3 and its impact on the future of internet security.
It's no secret that Cloudflare has been a big proponent of TLS 1.3, the newest edition of the TLS protocol that improves both speed and security, since we have made it available to our customers starting in 2016.
Upgrading a security protocol in an ecosystem as complex as the Internet is difficult. You need to update clients and servers and make sure everything in between continues to work correctly. The Internet is in the middle of such an upgrade right now.