This document specifies version 1.3 of the Transport Layer Security (TLS) protocol. TLS allows client/server applications to communicate over the Internet in a way that is designed to prevent eavesdropping@ tampering@ and message forgery. This document updates RFCs 5705 and 6066@ and obsoletes RFCs 5077@ 5246@ and 6961. This document also specifies new requirements for TLS 1.2 implementations.