Nmap provides a number of features for probing computer networks, including host discovery and service and operating system detection. These features are extensible by scripts that provide more advanced service detection ,vulnerability detection,and other features. Nmap can adapt to network conditions including latency and congestion during a scan. this app Includes the following : 1) Nmap Fundamentals 2) Network Exploration 3) Reconnaissance Tasks 4) Scanning Web Servers 5) Firewall Evasion Methods 6) Scanning Databases 7) Scanning Mail Servers 8) Scanning Windows Systems 9) Scanning ICS SCADA Systems 10) Generating Scan Reports 11) HTTP , HTTP Pipelining 12) Brute Force Password Auditing