http notes finishing-build http experiment environment

1. The actual network environment is too complicated and there are many interference factors. Building a "minimal" environment can quickly grasp the key points and master the essence of HTTP;

2. Select Wireshark as the packet capture tool to capture all the traffic transmitted in the TCP / IP protocol stack;

3. Select Chrome or Firefox browser as the user agent in HTTP protocol;

4. Choose OpenResty as the web server, it is an "enhanced package" of Nginx, and the function is very rich;

5. Telnet is a command-line tool that can be used to log in to the host to simulate browser operations;