Cocoa Packet Analyzer
Cocoa Packet Analyzer is a native Mac OS Ximplementation of a network protocol analyzer and packet sniffer. CPA supportsthe industry-standard PCAP packet capture format for reading, capturing andwriting packet trace files.
对Iphone抓包工具，可以抓TCP和UDP包。
1.点击 http://www.tastycocoabytes.com/cpa/ 进行下载
2.下载安装包后，点击打开安装
3.点击icon打开抓包软件,
选择菜单项里面的capture（捕获）进行抓包工作
