可用于对socket api的学习,一个对于网络端口扫描的程序-can be used to study the socket api, a network port scanning procedures

局域网扫描程序，全api编写，独立模块，可随意挂用-LAN scanning process, and all api preparation, the independent module, which can be used arbitrarily pegged

实现md5数字签名的api,可以对字符串加密,也可以对文件夹加密-Md5 digital signature api, string encryption can also file folder encryption

官网上下载flow-tools 0.66版本(low-tools is library and a collection of programs used to collect, send, process, and generate reports from NetFlow data. The tools can be used together on a single server or distributed to multiple servers for large deployment