Pre-knowledge: winsock Difficulty: Low build environment: VC6.0+ win2000 test environment: win2000+ LAN that I would give it that one of the most simple principles of right port scanner. The most commonly used to connect the port scanner is based on whether the target host port to determine the destination port open or not. Scanning mode is to use the full TCP connection. When the target host an open service ports, then the service program will carry out monitoring at the port

gscan.cpp

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