Linux: nmap command example

Linux: nmap command example scan the open port of a host: 1nmap-sT1921681100 this command scans the Open TCP port of the 1921681100 host. ST-& gt; TCPconnectscan. In more cases, replace the parameter sT with sS. When using sS parameters, the scan port does not run Linux: nmap command example scans the open port of a host: 1 nmap-sT 192.168.1.100. this command scans the Open TCP port of the host 192.168.1.100. ST-> TCP connect scan. In more cases, replace the parameter sT with sS. When using sS parameters, scanning the port does not complete a full TCP connection. Therefore, for the host to be scanned, the goose will not find itself scanned. You can also directly: 1 nmap 192.168.1.100 to find the host, but do not perform port scan: 1 nmap-sn 192.168.1.100. you can also do this: 1 nmap-sn 192.168.1. * This is also possible: 1 nmap-sn www.baidu.com