1.科普帖，ssh vs ssl http://blog.****.net/ocean1010/article/details/6950924
2.ios下获取本机ip地址，支持ipv6  http://wiki.gonzofamily.com/a/Retrieve_local_IPv4/IPv6_on_Wifi/Cellular
3.协议分析网 http://www.cnpaf.net/
4.charles 模拟慢网速等 http://www.cnblogs.com/cos2004/archive/2013/04/16/3024171.html
5.NSUrl介绍和作用 http://www.cocoachina.com/applenews/devnews/2014/0414/8155.html
6.https加密封包通过wireshark的查看方式  http://blog.****.net/jasonhwang/article/details/2350723
7.理解restful架构 http://www.ruanyifeng.com/blog/2011/09/restful.html
8.sip鉴权，摘要式认证 http://blog.sina.com.cn/s/blog_6db1348801015vz0.html