Specify custom TCP ports to scan (1-65535).The Full Scan allows you to perform portscans with custom parameters, easily configured from the web interface: Gives you a useful report that you can share with management or stakeholdersĪccording to the Nmap classification, these are the most common TCP ports:.Has an easy-to-use interface over the complex command line parameters of Nmap.If you do the same scan from your internal network you may obtain different resultsīecause of various firewalls and network restrictions. Your systems as any malicious hacker from the Internet has. The main benefit of using an online version of the Nmap port scanner (vs using it on your local machine) is that it gives you an external view of Why we have dedicated tools for each one. Scan techniques are different for TCP and UDP ports, which is Port scanning is part of the first phase of a penetration test and allows you to find all network entry points available on a target system. scripts, bots, malware) often exploit code found in server software that lets them get unauthorized access on When a service listens on a port it can receive dataįrom a client application, process it and communicate a response. Network ports are the communication endpoints for a machine that is connected to the Internet. Nmap Online, it performs accurate port discovery The scanner allows you to easily map the network perimeter of a company, checkįirewall rules and verify if your services are reachable from the Internet. Detects open TCP ports, running services (including their versions) and does OS fingerprinting on a target IP address or hostname.

What does zenmap do