Traffic hijacking is the use of various malicious software to modify the browser, lock the homepage, or pop up new windows, forcing users to visit certain websites, thus resulting in the loss of user traffic. Traffic hijacking can be avoided by using trusted SSL certificates, the SSL protocol provides authentication of the server, so DNS hijacking will be detected and terminated when connecting to the wrong server, which ultimately leads to the inability to realize the DNS hostage attack; and the data encryption and integrity check provided by the SSL protocol also solves the problem of sniffing and modifying the data content of the key information. The core of SSL protocol is based on the theory of public key cryptography to achieve server identity authentication, data privacy protection data integrity checks, and other functions. SSL protocol in the HTTP request before the start of the increase in the handshake phase, in the SSL handshake phase, the client browser will authenti...