Nmap tool
Nmap is a network scanning tool—an open source Linux command-line tool—used for network exploration, host discovery, and security auditing.
Installation in linux/ubunut
sudo apt update
sudo apt install nmap
Nmap version check
nmap --version
Replace [target] with the IP address or hostname you want to scan. For example:
nmap 192.168.1.1
Common Options: Nmap provides numerous options to customize your scans. Some commonly used options include:
- -p: Specify ports to scan (e.g., -p 80,443 for scanning ports 80 and 443).
- -T: Set the timing template for the scan (e.g., -T4 for faster scans).
- -A: Enable OS detection, version detection, script scanning, and traceroute.
- -sV: Enable version detection.
- -O: Enable OS detection.
- -sC: Scan using default NSE scripts.
- -oN: Save scan results in normal format.
- -oX: Save scan results in XML form
nmap -p 80,443 -A 192.168.1.1
Nmap scan on the target IP
nmap -sC 192.168.1.1
Nmap for version detection
nmap -sV 192.168.1.1
nmap -p- -sV -sC 192.168.1.1
