Welcome to the fifth tutorial of Complete Nmap beginners course. In this tutorial we'll learn some techniques of detecting Services and it's versions running on specific ports.
- -sV (Version detection) - This option can be simply used to detect version of a serivce running on a port.
- --allports - This option tells Nmap to not to exclude any port from version detection. i.e. it scans every port.
- --version-intensity <intensity> - This option has values varying rom 0 to 9. Selecting option 9 will take much longer but will be much accurate while setting option 0 will take much shoter but will be highlt inaccurate. The -sV option has a intensity of 7.
- --version-light : This enables light mode scanning i.e. it's intensity is 2.
- --version-all - This option tries every single probe. It's intensity is 9.
So, this was a tutorial on detecting services and it's version. In next tutorial we'll learn some techniques of detecting Operating System.
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