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Nmap, a port-scanning and fingerprinting network utility; Pirni, a discontinued network security tool for jailbroken iOS devices. Scapy, a packet manipulation tool for computer networks, written in Python by Philippe Biondi. Snort, a network-intrusion-detection system. Suricata, a network intrusion prevention and analysis platform.
Security Administrator Tool for Analyzing Networks (SATAN) was a free software vulnerability scanner for analyzing networked computers.SATAN captured the attention of a broad technical audience, appearing in PC Magazine [1] and drawing threats from the United States Department of Justice. [1]
Nmap can adapt to network conditions including latency and congestion during a scan. Nmap started as a Linux utility [8] and was ported to other systems including Windows, macOS, and BSD. [9] It is most popular on Linux, followed by Windows. [10]
Nmap – comprehensive active stack fingerprinting. p0f – comprehensive passive TCP/IP stack fingerprinting. NetSleuth – free passive fingerprinting and analysis tool; PacketFence [9] – open source NAC with passive DHCP fingerprinting. Satori – passive CDP, DHCP, ICMP, HPSP, HTTP, TCP/IP and other stack fingerprinting.
netcat (often abbreviated to nc) is a computer networking utility for reading from and writing to network connections using TCP or UDP. The command is designed to be a dependable back-end that can be used directly or easily driven by other programs and scripts. At the same time, it is a feature-rich network debugging and investigation tool ...
Ettercap is a free and open source network security tool for man-in-the-middle attacks on a LAN.It can be used for computer network protocol analysis and security auditing.It runs on various Unix-like operating systems including Linux, Mac OS X, BSD and Solaris, and on Microsoft Windows.
Banner grabbing is a technique used to gain information about a computer system on a network and the services running on its open ports. Administrators can use this to take inventory of the systems and services on their network.
That is the reason by which it may be named a Pre-Attack, since all the information is reviewed in order to get a complete and successful resolution of the attack. Footprinting is also used by ethical hackers and penetration testers to find security flaws and vulnerabilities within their own company's network before a malicious hacker does. [3]