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Services - which are either running or stopped. Superscan is a tool used by system administrators, crackers and script kiddies to evaluate a computer's security. System administrators can use it to test for possible unauthorised open ports on their computer networks, whereas crackers use it to scan for insecure ports in order to gain illegal ...
License. NPSL [3] or modified GPLv2 [4] or proprietary. Website. nmap.org. Nmap (Network Mapper) is a network scanner created by Gordon Lyon (also known by his pseudonym Fyodor Vaskovich). [5] Nmap is used to discover hosts and services on a computer network by sending packets and analyzing the responses.
ShieldsUP. ShieldsUP is an online port scanning service created by Steve Gibson of Gibson Research Corporation. The purpose of the utility is to alert the users of any ports that have been opened through their firewalls or through their NAT routers, which can be used by malicious users to take advantage of security vulnerabilities. The utility ...
ZMap (software) ZMap is a free and open-source security scanner that was developed as a faster alternative to Nmap. ZMap was designed for information security research and can be used for both white hat and black hat purposes. The tool is able to discover vulnerabilities and their impact, and detect affected IoT devices.
Port scanner. A port scanner is an application designed to probe a server or host for open ports. Such an application may be used by administrators to verify security policies of their networks and by attackers to identify network services running on a host and exploit vulnerabilities. A port scan or portscan is a process that sends client ...
netcat. 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 ...
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. It is capable of intercepting traffic on a network ...
Snort. Snort is a free open source network intrusion detection system (IDS) and intrusion prevention system (IPS) [4] created in 1998 by Martin Roesch, founder and former CTO of Sourcefire. [5][6] Snort is now developed by Cisco, which purchased Sourcefire in 2013. [7][8][9] In 2009, Snort entered InfoWorld 's Open Source Hall of Fame as one of ...