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What is Nmap? Nmap, short for "Network Mapper," is a powerful open-source tool used for network discovery and security auditing. It is a network scanning tool that allows users to discover hosts and services on a computer network, identifying open ports, services running on those ports, and other information about the network. -sL : List scan - simply list targets to scan Example: nmap -sL targets.txt Explanation: This command performs a list scan, displaying the targets that would be scanned without actually scanning them. -sn : No port scan, just host discovery Example: nmap -sn target Explanation: This command performs host discovery without scanning for open ports. Useful for identifying live hosts on the network. -Pn : Treat all hosts as online Example: nmap -Pn target Explanation: This command treats all hosts as online, skipping host di...

Demystifying Computer Networking 1. Understanding the Basics: Computer networking is the practice of connecting computers and other devices to share resources and information. At its core, networking enables communication between these devices, allowing them to exchange data seamlessly. What is Computer Networking? Computer networking refers to the interconnected system of computers and devices that communicate with each other. The primary goal is to enable the sharing of resources and information efficiently. Key Components: Computer networks consist of various components, each playing a crucial role: Devices: Computers, routers, switches, and other hardware that form the network. Cables and Wireless Connections: Physical cables or wireless technology (like Wi-Fi) used to connect devices...