原创 网站如何开启 TLS

• TLS是什么？
  • Major Differences from TLS 1.2
• Wireshark 抓包分析
  • TCP 三次握手
  • TLS 协商

TLS是什么？

RFC 8446: The Transport Layer Security (TLS) Protocol Version 1.3新窗口打开

TLS allows client/server applications to communicate over the Internet in a way that is designed to prevent eavesdropping, tampering, and message forgery.

Major Differences from TLS 1.2

Wireshark 抓包分析

TCP 三次握手

• SYN

• SYN ACK

• ACK

TLS 协商

以 TLS 1.3 为例

• Client Hello

• Server Hello, Change Cipher Spec, Encrypted Extensions

• Certificate, Certificate Verify, Finished

• Change Cipher Spec, Finished