irat是国外一款远程控制软件，反向连接模式，轻松穿透防火墙。支持域名，FTP上线。-irat is a remote control software abroad, reverse connection mode, easily penetrate the firewall. Support domain, FTP on the line.

多层开发文档（包括远程调用技术代码追踪(socket).doc、P2P穿透防火墙源码分析等）-Three-tier development document