Quick Tour of Nmap
- What is Nmap and why do we need Nmap?
Nmap, short for Network Mapper, is a free, open-source tool for vulnerability scanning and network discovery. Network administrators use Nmap to identify what devices are running on their systems, discovering hosts that are available and the services they offer, finding open ports and detecting security risks.
Nmap can be used to monitor single hosts as well as vast networks that encompass hundreds of thousands of devices and multitudes of subnets.
What can you do with the Nmap?
Let see what else we can do with the Nmap.
- It can discover the host connected to the network.
- It can discover the free ports on the target host.
- It can detect all the services running on the host along with the operating system and version.
- It can detect any loopholes or potential vulnerability in the Network system.
Prerequisites to learn Nmap
To start with Nmap basic knowledge of FTP bounces scanning, TCP connect scanning and TCP reverse ident scanning is a must.
Who should learn Nmap
All network administrators should learn this technique, so the job of network diagnosis can be quick and easy. Entry-level programmers or even a student aspiring to become a IT professional one day can learn this technology.
Thing to remember before using Nmap
When used properly, Nmap helps protect your network from invaders. But when used improperly, Nmap can (in rare cases) get you sued, fired, expelled, jailed, or banned by your ISP. Reduce your risk by reading legal guide before launching Nmap.