Network Scanner Working and Implementation

Network Scanning or network recon is a fingerprinting method used by hackers to find open ports, services, service versions, and possible vulnerabilities. The question is how these scanners work and how can we implement them using a few open-source modules or build one. We will be implementing a simple network scanner using python and python-nmap module. The main functions Nmap or any network mapper performs are as follows: Identifying filtering systems between two active hosts on a network. Identifying filters …

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