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Built-in port-scanning capabilities, with randomization ... Mac OS X comes with netcat installed as of OSX 10.13 or users can use ... Ncat is a similar tool to netcat ...
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.
A port scan or portscan is a process that sends client requests to a range of server port addresses on a host, with the goal of finding an active port; this is not a nefarious process in and of itself. [1] The majority of uses of a port scan are not attacks, but rather simple probes to determine services available on a remote machine.
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 access to a system.
MacPorts, formerly DarwinPorts, [4] is a package manager for macOS and Darwin.It is an open-source software project that aims to simplify the installation of other open source software. [5]
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.
An idle scan is a TCP port scan method for determining what services are open on a target computer [1] without leaving traces pointing back at oneself. This is accomplished by using packet spoofing to impersonate another computer (called a " zombie ") so that the target believes it's being accessed by the zombie.
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.