![]() ![]() Nmap done: 1 IP address (1 host up) scanned in 64.27 seconds Sample Nmap Scan from Starting Nmap 7.60 ( ) at 23:10 UTC It is very accurate, stable and has more options than we are going to get into here, for more information and installation instructions head over to the nmap page. The Nmap port scanner is the worlds leading port scanner. 445 Windows Communication Protocol (File Sharing etc). ![]() Here are some common ports that you will find when using a port scanner: As this is the standard port for the encrypted SSL protocol. If you type into the browser you go to a different port 443. The port 80 is done by the browser automatically. When you type into your browser you are directed via the domain name system to 74.125.237.17 on port 80. For example what is easier to remember: 74.125.237.17 or ? It is a reference to the IP address using an easier to remember name. The missing part of this introduction to network basics is the hostname, DNS record or domain name. ![]() In this guide we are going to stick to the basics. There are many resources that cover the more technical details of port scanning and the different types of port scanning. An IP Address looks like this: 192.168.1.3Ī service will run on 192.168.1.3 and listen on a port. ![]()
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