vc++ 编写的tcp扫描 种类比较全，有SYN，connect，fin等 可供二次开发。-vc++ prepare the type of comparison of tcp-wide scan, a SYN, connect, fin, such as for secondary development.

著名的sip协议实现。可以在上面进行二次开发，例如语音，voip，传真等。-Famous sip protocol implementation. Can be carried out in the above secondary development, such as voice, voip, fax, etc..