http://wiki.qcloud.com/wiki/COS_API%E8%B0%83%E7%94%A8%E8%AF%B4%E6%98%8E   【腾讯云】

http://blog.appdevp.com/archives/55 [openwrt]

http://blog.appdevp.com/archives/261#comment-41 [iptables全集]