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Most advanced users are able to write scripts to automate common tasks, but this is not necessary for basic network monitoring. In order to use Nmap, you need to be familiar with command-line interfaces. The advantage of Nmap is that it brings a wide range of these tools into one program, rather than forcing you to skip between separate and discrete network monitoring tools. Nmap is straightforward to use, and most of the tools it provides are familiar to system admins from other programs. “Attacking” your own site in this way is a powerful way of identifying security vulnerabilities. Using Nmap to scan your own web server, particularly if you are hosting your website from home, is essentially simulating the process that a hacker would use to attack your site. Thirdly, Nmap has also become a valuable tool for users looking to protect personal and business websites. Nmap can be used alongside the Metasploit framework, for instance, to probe and then repair network vulnerabilities. This makes it a valuable tool in ongoing system monitoring, as well as a critical part of pentesting. It can be used to provide a list of live hosts and open ports, as well as identifying the OS of every connected device. Secondly, Nmap provides information on your network as a whole.

This allows administrators to check whether an IP is being used by a legitimate service, or by an external attacker. First, the program gives you detailed information on every IP active on your networks, and each IP can then be scanned. The primary uses of Nmap can be broken into three core processes. What Does Nmap Do?Īt a practical level, Nmap is used to provide detailed, real-time information on your networks, and on the devices connected to them. The recent emergence of IoT botnets, like Mirai, has also stimulated interest in Nmap, not least because of its ability to interrogate devices connected via the UPnP protocol and to highlight any devices that may be malicious. This means that Nmap is now used in many website monitoring tools to audit the traffic between web servers and IoT devices. The rise of the IoT, in particular, now means that the networks used by these companies have become more complex and therefore harder to secure. However, in recent years Nmap is being increasingly used by smaller companies. Nmap was developed for enterprise-scale networks and can scan through thousands of connected devices. Its popularity has also been bolstered by an active and enthusiastic user support community.

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The program is most commonly used via a command-line interface (though GUI front-ends are also available) and is available for many different operating systems such as Linux, Free BSD, and Gentoo. Once Nmap has been used to map a network, a platform such as Varonis’ Datadvantage can then be used to implement advanced access control.Īt its core, Nmap is a network scanning tool that uses IP packets to identify all the devices connected to a network and to provide information on the services and operating systems they are running. Ideally, Nmap should be used as part of an integrated Data Security Platform.

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