Nmap
Information Gatheringkali · parrotIndustry-standard network scanner for port discovery, service detection, and OS fingerprinting. Core recon tool for every engagement.
Install
sudo apt install nmap
Common commands
nmap -sV -sC target.com nmap -p- --min-rate 10000 target.com nmap --script vuln target.com
Use only on systems you are authorized to test. Follow program scope.
Related tools
Amass
featuredOWASP Amass for in-depth subdomain enumeration and attack surface mapping.
AnonSurf
featuredParrot OS anonymity suite that routes traffic through Tor with one command.
Subfinder
featuredPassive subdomain discovery tool. Fast and reliable for bug bounty recon.
Maltego
Graph-based OSINT and link analysis for mapping people, domains, and infrastructure relationships.