(Nmap is a port scanning tool for large networks, although it is also suitable for stand-alone scanning. In different situations, you may need to hide scanning, scan across firewalls, or scan with different protocols, such as: UDP, TCP, ICMP, etc.). It supports: VanillaTCPconnect scan, TCPSYN (half-open) scan, TCPFIN, Xmas, or NULL (hidden) scan, TCPftp (springboard) scan, SYN/FINIP fragment scan (pass through partial packet filters), TCPACK and window scan, UDP monitoring ICMP port undeliverable scanning, ICMP scanning (crazy ping), TCPPing scanning, direct RPC scanning (no port mapping), TCP/IP fingerprinting of remote operating systems, and reverse authentication scanning, etc.
nmap-6.00-win32.zip)
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