Port scanning – the Nmap way
Port scanning is an active information gathering technique in which we will now start dealing with our target directly. Port scanning is an interesting process of information gathering. It involves a deeper search of the target machine. Nmap is the most powerful and preferred scanner for security professionals. The usage of
Nmap varies from novice to an advanced level. We will analyze the various scan techniques in detail.
Getting ready
Starting nmap from Metasploit is easy. Launch the msf console and type in nmap to display the list of scan options that Nmap provides.
msf > nmapHow to do it...
We will analyse four different types of Nmap scans which can be very helpful during penetration testing. Nmap provides lots of different modes for scanning the target machine. Here, we will focus on four scan types namely TCP connect scan, SYN stealth scan, UDP scan, and ACK scan. The different scan options of Nmap can also be combined in a single scan in order to perform...
