Nmap Version and OS Detection

Nmap has various service and version detection options to get complete information about the target host we want to scan. We can also use Nmap to identify the host operating system (OS). Let’s look at version and OS scans in detail.

Version detection

We can use the -sV option to perform version scanning with Nmap. It helps Nmap probe the target host for open ports and try to determine the specific version of the service running on each port.

For example, we can use the following command to scan a target host for open ports and to probe for service versions: