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netknight's Introduction

NetKnight

NetKnight-一款基于vpn的手机流量监控软件

基本原理

通过拦截实际应用传到虚拟网卡的虚拟数据包[包含IP头和TCP/UDP头],通过解析得到数据包信息,本应用与实际应用构建虚拟通信通道. 另一方面,数据包的应用层信息通过本应用发送到真实的服务器,取得信息后,再通过虚拟网卡回写反馈信息给实际应用.

版本信息

v1.0

1.完成基本网络请求拦截功能,仅支持tcp数据包转发.

2.完成流量统计功能,流量统计为实际应用与vpnService传输的IP报文的applicationData信息,未计入数据包头的字节数.

3.完成抓包功能,抓取了实际应用于vpnService交互的数据信息,并存储于存储卡中,未内置数据包解析功能.

4.实际应用与VpnService进行的tcp互相通信未够完善,目前只是单纯握手,挥手,未做重传,丢包等特殊情况处理.

5.网络并发量瓶颈大约是15,性能呈需提高.

6.域名拦截操作功能未实现.

netknight's People

Contributors

pencil-box avatar abelsu7 avatar tangmier avatar

Watchers

James Cloos avatar Tony avatar

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