Open ports can expose your business's computer or network to security breaches. Discovering and closing open ports is essential for keeping your network safe. You can identify open ports on a Windows ...

A port is a numeric identifier for software that runs on a computer, like Web server or email server software. When a port is open, it's accepting connections from the outside world. It's not uncommon ...

A flaw in Windows Firewall may prevent users from seeing all the open network ports on a Windows XP or Windows Server 2003 computer. The flaw manifests itself in the way the security application ...

I have a VM running Server 2008 R2 SP1 that is a network print server - TCP/IP print queues are installed on the server, and then shared out/published in AD. Client PC's connect to the shared printers ...

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 ...