https://jeltsch.org/en/tags/port/Recent content in Port on Michael’s DomainHugoen-usCopyright © 2002 - 2026 Michael Jeltsch.Fri, 24 Jul 2026 00:18:18 +0300https://jeltsch.org/en/scanning_my_home_network_nmap/Sun, 18 Mar 2018 00:00:00 +0000https://jeltsch.org/en/scanning_my_home_network_nmap/<p>Scanning my home network for all devices that are listeningon port 80 (http):<code>nmap -p80 192.168.0.0/24 -oG - | grep 80/open</code>Sometimes this doesn&rsquo;t work (because nmap tries to be smart and only scan hosts that are available). In order to make nmap scanning without intelligence, use the e-Pn (no ping) option. This scans all ports of host 192.168.0.2:<code>nmap -Pn -p0-65535 192.168.0.2</code></p>