As a Windows user, it’s essential to keep track of the many open TCP/IP ports in your system. TCP/IP is the most common networking protocol that Windows uses, and knowing which ports are open can help ...

A number assigned to user sessions and server applications in an IP network. Port numbers, which are standardized by the Internet Assigned Numbers Authority (IANA), reside in the header area of the ...

The internet relies on a system of addresses that treats every computer, tablet and smartphone as a distinct device, allowing all of them to communicate with each other. Because many kinds of devices ...

In TCP/IP and UDP networks, a port is an endpoint to a logical connection and the way a client program specifies a specific server program on a computer in a network. Some ports have been preassigned ...

Port Query (PortQry.exe) is a command-line utility in the Windows operating system that you can use to help troubleshoot TCP/IP connectivity issues. The tool reports the port status of TCP and UDP ...

TCP Port Number 21 is the standardized port number used by FTP (File Transfer Protocol) for managing communication between FTP clients and servers. It’s a part of the Transmission Control Protocol ...

The numeric identification of the upper layer protocol that an IP packet should be sent to. The number is stored in the header that is prefixed to an IP packet. Note that the IP protocol number is not ...

Any network connection made between computers (TCP or UDP protocols), it is done through the ports. Imagine these as entry points or gateways which is used by a service or application. As more client ...