From the course: Offensive Penetration Testing

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Scanning with Nmap

Scanning with Nmap

From the course: Offensive Penetration Testing

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Scanning with Nmap

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Scanning with Nmap. In this lesson, we'll understand how to use Nmap to scan for open ports and services. So Nmap is my go-to. It's been around a long time. I've used it for many years. I think it's been around for like 23 years. It's been -- and they keep working on this project. They keep improving it. I think they have like interns or people volunteer every summer to improve the Nmap scripting engine. So I think it's a fast scanner. Of course, Masscan is even faster, but Nmap is very versatile. It scans for TCP, UDP and like I said, it's great for banner grabbing and enumeration and I can't say enough good things about it. It's so good that I've memorized all the flags. And you may have your go-to flags when you use Nmap, but I certainly have mine. If you want to scan a single host, you just do Nmap and the host's IP address. Or you could do google.com. Although don't use google.com, use something you're authorized to scan. I would say that using that -v or I use three V's for…

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