Which Port Scanning Range option is used to scan only common ports?

The option that specifies the scanning of only common ports is commonly referred to as "common." This designation typically encompasses a predefined list of ports that are most frequently used for various network services, such as web servers, email servers, and file transfer protocols. Scanning common ports allows for a quick assessment of the most likely entry points for vulnerabilities or services running on a host, which is critical for both security assessments and compliance verifications.

This option streamlines the scanning process by focusing on the ports that are statistically more relevant for potential threats rather than scanning every possible port on the host. By doing so, it conserves time and resources and minimizes the amount of data that needs to be processed, allowing for a more efficient and effective analysis.

The other options relate to broader port ranges: scanning from 1 to 65535 encompasses all possible ports, while scanning from 1 to 1024 includes well-known ports used by system services. The "default" option would use whatever preset the scanning tool has configured, which may or may not focus specifically on common ports. These options, while valid, do not specifically target just the common ports, making them less efficient for the purpose outlined in the question.