Nmap
Nmap (Network Mapper) is a open-source tool used for network discovery and security auditing. It also assists in the exploration of network hosts and services, providing information about open ports, operating systems, and other details.
Common Query
Basic Nmap Scan
nmap 10.48.157.102
Specifying Port Range
nmap -p- --script=banner 10.48.157.102
Scanning User Datagram Protocol (UDP) Ports
nmap -sU 10.48.157.102
Common Ports
| Secure Shell (SSH) | 22 |
|---|---|
| Hypertext Transfer Protocol (HTTP) | 20 |
| MySQL | 3306 |
| vsFTPd File Transfer Protocol (FTP) | 220 |
| Domain Name System (DNS) Server | 53 (UDP) |