nginx+lua实现waf
http://blog.oldboyedu.com/nginx-waf/
nginx慕课网
http://coding.imooc.com/class/121.html
腾讯云白皮书系列
https://www.qcloud.com/whitepaper/product
Linux网络tcp连接大量CLOSE_WAIT和TIME_WAIT状态的出现和解决方法
http://blog.csdn.net/lqglqglqg/article/details/54616380
nginx cache静态化+tmpfs 高性能cdn方案
http://saiyaren.iteye.com/blog/1956692
nginx url重写
http://blog.csdn.net/dutsoft/article/details/55104860
http://www.jb51.net/article/99996.htm
