支持HTTP/1.1、FTP、SSL、POP3、finger、plug、whois等多种协议的代理防火墙，用Python写成- Supports HTTP/1.1, FTP, SSL, POP3, finger, plug, whois and so on the many kinds of agreements proxy firewall, wrote with Python

HTun 允许你把数据封装在HTTP/1.1 或者HTTP/1.0协议中再通过一个 HTTP proxy 的80端口出去,建立两台机器之间建立IP VPN连接,通过这样的办法,可以成功避免防火墙的封锁。-HTun allows you to package the data in HTTP/1.1 or HTTP/1.0 protocol and through a port 80 HTTP proxy out to establish IP VPN between two machines c