Nmap Cheat Sheet - Blue

FAQ

Q: What is Nmap?A: Nmap is a free and open-source network scanning tool.

Q: What can Nmap be used for?A: Nmap can be used for network exploration, security auditing, and various network tasks.

Q: What are some common Nmap commands?A: Some common Nmap commands include scanning a single host, scanning multiple hosts, scanning a range of IP addresses, and scanning specific ports.

Q: Can Nmap detect open ports on a remote machine?A: Yes, Nmap can detect open ports on a remote machine by sending packets and analyzing the responses.

Q: What is TCP SYN scan?A: TCP SYN scan is one of the most popular Nmap scan techniques. It sends SYN packets to specific ports and analyzes the responses to determine if the port is open, closed, or filtered.

Q: Is Nmap legal to use?A: Yes, Nmap is legal to use as long as it is used for legitimate purposes like network security auditing and authorized network scanning.

Q: Are there any alternatives to Nmap?A: Yes, there are alternative network scanning tools like Zmap, Masscan, and OpenVAS.