May 13, 2026 · Information Security

Comprehensive Red Team Information‑Gathering Guide

This article presents a step‑by‑step red‑team information‑gathering methodology covering domain CDN detection, real‑IP extraction, subdomain enumeration, DNS history analysis, SSL certificate probing, host‑IP collision, company‑level queries, and a curated list of open‑source tools and command‑line examples for each phase.

CDN BypassInformation GatheringNetwork Scanning

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Comprehensive Red Team Information‑Gathering Guide

MaGe Linux Operations

Jul 25, 2018 · Information Security

Master Port Scanning, Subdomain Enumeration, and CMS Fingerprinting with Python

This article explains the principles of port scanning, lists common service ports and their states, demonstrates nmap usage, and provides both single‑threaded and multithreaded Python scripts for port scanning, followed by three Python‑based subdomain collection methods and two approaches for CMS fingerprinting, complete with code examples.

CMS fingerprintingSubdomain Enumerationnetwork security

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Master Port Scanning, Subdomain Enumeration, and CMS Fingerprinting with Python