The licenses for most software designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free

用于局域网用户点对点连接，实现了用户通信，希望能给做远程控制的朋友一点帮助。-Point to point connection for LAN users to realize the user communication, could do little to help the remote control s friends