
Malicious hackers also rely on public port scanners to discover exposed and outdated network services they can exploit to gain unauthorized access to a target. Security and IT specialists use an open port scanner tool to check how security policies are implemented and make accurate recommendations to reduce risk. Find specific details about each port scanning method below. We also keep our port scan tool up to date through constant improvements in functionality, performance, and integration with the other platform tools and features.Ī port scanner is a software application designed to check open ports on a server’s IP address or hostname by sending probe packets to TCP or UDP ports and checking the responses.

The Full version of this TCP Port Scanner with Nmap lets you scan open ports with custom settings right away.

Compared to using Nmap on your local machine, it’s much more effective to check all open ports from our cloud platform because the TCP Scanner on gives you the external perspective of your target that any attacker has. Our open port checker provides an easy and fast way to run an online Nmap scan with zero setup and maintenance.
