We will discuss McAfee’s Super Scan 4.1, which is a Windows port scanning tool, later in this paper. ![]() There are numerous port scanning tools, and popular examples are Nmap and Super Scan. These open ports offer vulnerabilities that can be exploited and sometimes even bring down production environments. It primarily involves sending a message to each of the individual ports and detecting which are open. Port scanning is a reconnaissance technique which involves scanning the host for open and active ports. As an example, port number 80 is associated with HTTP, port number 21 is mapped to FTP, port 25 to SMTP, and so on. Port numbers ranging from 0 to 1024 are well known ports. ![]() It is a commonly known fact that there are 65,535 TCP ports and 65,535 UDP ports. As already stated, port scanning can be used for malicious purposes or for genuine purposes.
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