Achieve secure and reliable network connection

Directory .PNG

The method of the Http request .PNG

HTTP request process:
the domain name is resolved to IP
establishment Socket connection
transmitting an HTTP request
to receive data

HTTP request process .PNG

DNS poisoning how to do?
OkHttpClient have set the domain and dns verification methods
to achieve Dns Interface

DNS process .PNG

Https build process:
symmetric encryption
asymmetric encryption
public key of how to ensure safety?

Message Digest _ digital certificate _CA.PNG

Https communication flow .PNG

Middle attack

Middle attacks .PNG

How Android application to prevent MITM.PNG

How Android application to prevent MITM (2) .PNG

Reproduced in: https: //www.jianshu.com/p/e7da2cdda877