

How do I know this message from you hasn't been tampered with?.How do I know you are who you say you are?.

The TLS protocol attempts to solve these fundamental problems: The "transport layer" part of TLS simply refers to host-to-host communication, such as how a client and a server interact, in the Internet protocol suite model. "Protocol" is a word that means, "the way we've agreed to do things around here," more or less. TLS, or Transport Layer Security, refers to a protocol. If you want to have a confidential conversation with someone you know, you might meet up in person and find a private place to talk.īut if you want to send data confidentially over the Internet, you might have a few more considerations to cover.
