Author
Updated
1/30/2019Released
9/21/2018- TCP/IP networking
- Network scanning
- Installing Nmap
- Testing your Nmap installation
- Scanning with Nmap
- Host discovery options in Nmap
- Operating system and service version detection
- Case studies in scanning
Skill Level Intermediate
Duration
Views
- [Mike] Anything connected to a network that offers services, such as a printer, a router, or a web server, has open ports to accept connection requests. If the correct ports aren't open on a device, it won't function properly. If too many ports are open, the device might be vulnerable to attack. Nmap is one of the most important tools available for cybersecurity professionals, network engineers, and system administrators. Nmap allows you to scan networked devices and determine what ports are open so that you can learn what services they're exposing on the network, verify firewall configurations, or perform testing and troubleshooting.
Once we've covered Nmap's feature set, you'll be ready to run Nmap scans on your own network. And if you don't have systems that you can scan right away, I've built some servers that you can scan to get some hands on experience. Hi, I'm Mike Chapple and I use Nmap almost every day. It's a fantastic tool and I'm looking forward to sharing it with you. All right, let's get rolling.
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Insights from a Cybersecurity Professional
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Ethical Hacking: Wireless Networks
with Malcolm Shore1h 41m Intermediate
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Introduction
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Need to know52s
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1. Network Scanning
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TCP/IP networking5m 2s
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IP addressing3m 26s
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Network ports3m 41s
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ICMP5m 38s
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Network scanning6m 24s
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Scanning and the law1m 49s
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2. Installing Nmap
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Installing Nmap on Windows5m 30s
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Installing Nmap on macOS1m 57s
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Building Nmap from source4m 59s
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3. Scanning with Nmap
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Scanning multiple systems4m 37s
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4. Configuring Nmap Scans
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Host discovery with Nmap4m 13s
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DNS options in Nmap2m 42s
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TCP scanning with Nmap3m 42s
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UDP scanning with Nmap2m 20s
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Selecting ports to scan6m 31s
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Scan timing3m 36s
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5. Fingerprinting Systems and Services
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Operating system detection2m 50s
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Service version detection1m 52s
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Scanning shortcut2m 15s
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6. Scan Output
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Formatting Nmap scan results3m 46s
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7. Case Studies in Scanning
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Challenge49s
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Solution: scan1.certmike.com3m 10s
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Solution: scan2.certmike.com3m 27s
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Solution: scan4.certmike.com2m 26s
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Conclusion
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Next steps37s
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Video: Mapping networks with Nmap