Web Penetration Testing with Kali Linux - Third Edition
by Daniel W. Dieterle, Gilberto Najera-Gutierrez, Juned Ahmed Ansari
The Nmap version scan
Nmap has couple of options that can be used to perform version scanning; the version scan can be combined along with the operating system scan, or it could be run separately. Nmap probes the target by sending a wide range of packets, and then it analyzes the response to determine the exact service and its version.
To start only the version scans, use the -sV option. The operating system scan and the version scan can be combined together using the -A (aggressive) option, which also includes route tracing and execution of some scripts. If no ports are defined along with the scanning options, Nmap will first perform a port scan on the target using the default list of the top 1,000 ports and identify the open ports from ...
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