ports

CurrPorts displays active TCP/IP and UDP ports on local computers. It enables users to end unwanted TCP connections, terminate the corresponding process, and save a list of ports to a file.

This software helps find active ports on PCs and the applications or services that use them. It is designed to provide detailed information about network traffic, making it easier to manage and secure your system.

This software is a serial port monitor capable of sniffing and analyzing RS232 protocol data. It also facilitates logging and testing of com port activities with data acquisition capabilities. Furthermore, it is useful in spying on com port connections and monitoring packet traffic.

YourWanIP is a discreet software that informs you of your current WAN IP address and logs any changes. It also provides a guide on how to create your own IP detection application.

This free serial port monitor is a powerful communication packet data analyzer and COM RS232 sniffer. It can spy, capture, view, analyze, and test COM port activity, making it ideal for performing COM port connection and traffic analysis.

Emsa Port Blocker is a customizable TCP blocking utility that blocks unwanted access to and from a computer. It functions similarly to a firewall but is not one.