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.
Subfinder
featuredPassive subdomain discovery tool. Fast and reliable for bug bounty recon.
dnsenum
DNS enumeration script for zone transfers, subdomain brute force, and record discovery.
Enum4linux
Enumerate Windows/Samba information: users, shares, policies.