For example, ipconfig is useful for getting information on network interfaces, while the arp command is useful for running a quick sweep of all the devices on your network.
While nmap is certainly one of the most powerful network tools available, it isn’t the only software you’ll want in your toolset. On your Mac, choose Apple menu > System Preferences, click Security & Privacy, then click General. For more information, see the nmap manual. The settings in Security & Privacy preferences allow you to specify the sources of software installed on your Mac. Is this all nmap can do?Ĭovering everything nmap could do would take several articles. In addition to macOS, nmap is also available on Windows, Linux, and other Unix variants like FreeBSD, Solaris, and more. While installing with the brew command is easy, you can also install nmap with the macOS installer from the nmap website.
There is nothing wrong with using it, especially if you’re using it on your own network. On an encrypted network, the MACs will all be broadcast unencrypted. While nmap can be used for nefarious purposes, there is nothing about nmap that makes it a hacking tool by itself. Capture packets with Wireshark (or a mobile equivalent).
You can run arp -a -i en0 to only get reports from your network interface en0, but that’s all.
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