协议
作者：康林（kl222@126.com)
socket5 代理协议
- SOCKS Protocol Version 5(rfc1928): https://tools.ietf.org/html/rfc1928
- Username/Password Authentication for SOCKS V5: https://tools.ietf.org/html/rfc1929
- socket 5协议详解https://blog.csdn.net/qq_36963214/article/details/115258597
- HTTP协议和SOCKS5协议: https://www.cnblogs.com/yinzhengjie/p/7357860.html
webrtc
- WebRTC API: https://developer.mozilla.org/zh-CN/docs/Web/API/WebRTC_API