Servers, follow these steps: For Windows: To find your computer's port numbers, which allow access to various sites and To protect your network, ensure you have a strong firewall in place. While hackers may use port scanners to find network vulnerabilities, scanning your own network is legal and essential for identifying weaknesses. Port scanners can also be used for network admin tasks and checking other network operations. It assists in setting up IP security cameras and assessing network security. Our online port scanner, also known as an open port scanner or IP port scanner, is a free tool that reveals open ports on a network. Port numbers are often reserved for specific protocols, like port 25 for SMTP, ensuring standardized port usage and forwarding across networks. Each port is assigned a unique number, with 65,536 ports available for communication between User Datagram Protocol (UDP) and Transmission Control Protocol (TCP) ports.įor instance, to enable remote desktop on a Windows PC, you'd need port 3389 open and directed to the correct computer. A port is a virtual connection point used to route network information to specific applications on a designated device. The port scanner tool helps you identify open ports on your network, enhancing security by detecting potential vulnerabilities.
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