what is NMAP How to scan and find network vulnerabilities using NMAP

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what is NMAP? How to scan and find network vulnerabilities using NMAP • Nmap (Network Mapper) is a powerful open-source tool for network discovery and security auditing. Here are some common Nmap commands with explanations: • Basic Scans • 1. Basic Host Discovery: • Path • nmap [target] • Example: • nmap 192.168.1.1 • 2. Scan Multiple IP Addresses: • nmap [target1] [target2] [target3] • Example: • nmap 192.168.1.1 192.168.1.2 192.168.1.3 • 3. Scan a Range of IP Addresses: • nmap [start-IP]-[end-IP] • Example: • nmap 192.168.1.1-10 • 4. Scan an Entire Subnet: • nmap [subnet]/[CIDR] • Example: • nmap 192.168.1.0/24 • 5. Port Scanning • nmap -p [port1],[port2],[port3] [target] • Example: • nmap -p 22,80,443 192.168.1.1 • 6. Scan All Ports: • nmap p [target] • Example: • nmap p 192.168.1.1 • 7. Scan Common Ports: • nmap -F [target] • Example: • nmap -F 192.168.1.1 • 8.Service and Version Detection • Detect Service Versions: • nmap -sV [target] • Example: • nmap -sV 192.168.1.1 • 7. Aggressive Scan with Version Detection, OS Detection, Traceroute, and Scripts: • nmap -A [target] • Example: • nmap -A 192.168.1.1 • 8. OS Detection • Detect Operating System: • nmap -O [target] • Example: • nmap -O 192.168.1.1 • 9. SYN Scan (Stealth Scan): • nmap -sS [target] • Example: • nmap -sS 192.168.1.1 • • 10. Run a Specific Nmap Script: • nmap --script [script-name] [target] • Example: • nmap --script http-default-accounts 192.168.1.1 • 11. Run Multiple Nmap Scripts: • nmap --script [script1],[script2] [target] • Example: • nmap --script http-default-accounts,ssl-cert 192.168.1.1 • • 12. Save Scan Results to a Text File: • nmap -oN [filename] [target] • Example: • nmap -oN scan-results.txt 192.168.1.1 • 13. Save Scan Results to an XML File: • nmap -oX [filename] [target] • Example: • nmap -oX scan-results.xml 192.168.1.1 • 14. Save Scan Results to a Grepable File: • nmap -oG [filename] [target] • Example: • nmap -oG scan-results.gnmap 192.168.1.1 • 15. Scan Without DNS Resolution: • nmap -n [target] • Example: • nmap -n 192.168.1.1 • 16. Increase Verbosity: • nmap -v [target] • Example: • nmap -v 192.168.1.1 • 17. Show Open Ports Only: • nmap --open [target] • Example: • nmap --open 192.168.1.1 • Next Steps : • --------------------------------------------------------------------------------------------------------------------------------------------------------- • --------------------------------------------------------------------------------------------------------------------------------------------------------- • Must Watch Playlists • ► 1. Javascript - • Javascript Factory • ► 2. Puppetter - • Puppeteer • ► 3. Cypress - • Cypress • ► 4. Tech works - • Video • ► 5. Vbscript Basics To Advanced - • VBScript Part 1 - Features Advantage... • ► 6. Jmeter - • Jmeter Tutorials • ► 7. Excel - • Videos On Excel • ► 8. Appium - • Appium • ► 9. Shares - • Shares • ► 10. Javascript Interview Questions - • Javascript Interview Questions • ► 11. C# Tutorials - • C# Factory • ► 12. HTML CSS - • HTML CSS • ► 13. Browser Console - • Browser Console • ► 14. JSON - • Videos on Json • ► 16. MongoDB - • MongoDB Tutorials • ► 18. Python - • Python • ► 19. Typescript - • Typescript Node Imp Questions • ► 20. Node - • Node • ► 21. Java Selenium Interview Questions: • Java and Selenium Imp • ► 22. Real Time Interview Q A: • Real Time Interview Questions • ► 23.SOAP UI Tutorials : • SOAP UI • ► 24. WebDriverIO : • Getting Started with WebdriverIO | In... • ► 26. Cloud and CyberSecurity : • What is Windows Sandbox? How to enabl... • --------------------------------------------------------------------------------------------------------------------------------------------------------- • --------------------------------------------------------------------------------------------------------------------------------------------------------- • #nmap • #networkforensics • #cybersecurity

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