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Nmap Scanning Utility 4.50

Nmap Scanning Utility 4.50
Posted Dec 13, 2007
Authored by Fyodor | Site insecure.org

Nmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols (UDP, TCP, ICMP, etc.). Nmap supports Vanilla TCP connect() scanning, TCP SYN (half open) scanning, TCP FIN, Xmas, or NULL (stealth) scanning, TCP ftp proxy (bounce attack) scanning, SYN/FIN scanning using IP fragments (bypasses some packet filters), TCP ACK and Window scanning, UDP raw ICMP port unreachable scanning, ICMP scanning (ping-sweep), TCP Ping scanning, Direct (non portmapper) RPC scanning, Remote OS Identification by TCP/IP Fingerprinting, and Reverse-ident scanning. Nmap also supports a number of performance and reliability features such as dynamic delay time calculations, packet timeout and retransmission, parallel port scanning, detection of down hosts via parallel pings. Full changelog available here.

Changes: This is the first stable release since 4.20 (more than a year ago), and the first major release since 4.00 almost two years ago. Dozens of development releases led up to this. Major new features since 4.00 include the Zenmap cross-platform GUI, 2nd Generation OS Detection, the Nmap Scripting Engine, a rewritten host discovery system, performance optimization, advanced traceroute functionality, TCP and IP options support, and and nearly 1,500 new version detection signatures. More than 300 other improvements were made as well.
tags | tool, remote, udp, tcp, protocol, nmap
systems | unix
SHA-256 | efc986ad0288c71cdaf690b17d4a5a08445bbda1c1ab4c560f8e575a1dd7f6e5
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