NMAP Port Scanning Tutorial | Find Hidden Services & Exploit Them - (AoC Day-7)

🔥 Learn Network Port Scanning & Service Discovery with NMAP | Complete Tutorial In this step-by-step tutorial, I'll show you how to use NMAP to discover hidden network services, scan ALL 65535 ports, and extract secret information from FTP servers, custom applications, and DNS records! 🎯 What You'll Learn: ✅ Basic NMAP port scanning techniques ✅ How to scan ALL ports (not just top 1000) ✅ Finding hidden services on non-standard ports ✅ Using FTP anonymous access to retrieve files ✅ Interacting with custom services using Netcat ✅ Performing DNS reconnaissance with DIG command ✅ Discovering internal services (MySQL, hidden apps) ✅ Complete network reconnaissance methodology 💻 Topics Covered: NMAP port scanning basics and advanced flags TCP vs UDP port scanning differences Banner grabbing and service identification FTP anonymous login exploitation Netcat for unknown service interaction DNS TXT record enumeration with DIG MySQL database enumeration from localhost Network service discovery techniques Port scanning best practices for pentesting 🔧 Commands Used: nmap MACHINE_IP (basic scan) nmap p --script=banner (full port scan) nmap -sU (UDP scan) ftp MACHINE_IP PORT (FTP connection) nc -v MACHINE_IP PORT (Netcat client) dig @SERVER TXT record (DNS query) ss -tunlp (list listening ports) mysql -D database -e "query" (MySQL enumeration) 🚀 Perfect For: Cybersecurity beginners learning network scanning Ethical hackers studying reconnaissance techniques Pentesters improving their enumeration skills IT professionals learning network security Anyone interested in network port discovery ⏱️ Timestamps: 0:00 - Introduction to Network Discovery 2:15 - NMAP Basic Port Scan Scanning ALL 65535 Ports Finding Hidden FTP Server Extracting Secret Key from FTP 15:10 - Using Netcat for Custom Services DNS Reconnaissance with DIG Internal Service Discovery MySQL Database Enumeration Flag Capture & Completion #NMAP #PortScanning #NetworkDiscovery #EthicalHacking #Pentesting #CyberSecurity #NetworkSecurity #FTP #DNS #Reconnaissance #InfoSec #NetworkRecon