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Nmap Version and OS Detection

Explore how to perform version detection with the -sV option and operating system fingerprinting using the -O flag in Nmap. Understand how these scans provide detailed information about open ports, services, and the target OS to aid in vulnerability analysis and network assessment.

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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. ...