Nmap Tips

19 Jul, 2023

Show nmap scripts, for example ssh: ls /usr/share/nmap/scripts/ssh-*

ssh-auth-methods Useful script when we have a network and we want to know, for example, if there is any computer that allows ssh password authentication. Example of use: nmap --script ssh-auth-methods 192.168.128/26

Nmap offers the following parameters to save scan results:

• -oN : Save scan results in normal format — in a format that can be parsed.
• -oX : Save scan results in XML format.
• -oG : Save scan results in grepable format.
• -oA : Save scan results in all these formats at once (normal, grepable and XML).

nmap -sn <ip_address> to run a host discovery.

nmap can prioritize ports with the --top-ports=<number> argument.