pentest-wiki

This repository is an online security knowledge library for pentesters/researchers, providing information on various topics related to information gathering. The repository contains documentation on how to gather whois and DNS information, as well as Linux system architecture, processes, and user...

Nmap 6.47 - Free Security Scanner For Network Exploration & Security Audits

Nmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols UDP, TCP, ICMP, etc...