浏览器访问服务器的整个流程介绍

https://blog.csdn.net/qq_38880380/article/details/79295000

https://blog.csdn.net/zzzgd_666/article/details/80769234

https://www.cnblogs.com/hualingyun/p/11018297.html

https://segmentfault.com/a/1190000018234763

https://www.cnblogs.com/hnhycnlc888/p/9724977.html

https://blog.csdn.net/qq_22313585/article/details/78926141

https://baijiahao.baidu.com/s?id=1619524916741810052&wfr=spider&for=pc

http://www.suoniao.com/article/5e7beb9ce4e60557a02a973e

http://www.imooc.com/wenda/detail/525479

https://segmentfault.com/a/1190000018652029