When you need to reach a specific device on your home network from the internet side of things, one of the oldest options is ...

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 ...

Port Scanning applications like Free Port Scanner help you identify open ports and services on a network host. They thoroughly scan specific ports for a given IP and reveal vulnerable access points, ...

Fred Stluka from Bristle.com just introduced me to port knocking — a method of opening ports on a firewall by trying to connect with a series of ports in a pre-determined order. The sequence of ...

A Port basically serves as an interface between your computer and the internet or other computers in the network. Every communication over the web is exchanged using these ports, so they are an ...

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 ...

Mobile applications that open ports on Android smartphones are opening those phones to remote hacking, claims a team of researchers from the University of Michigan. Open ports are a well-known threat ...

I need to open a port in our firewall to let a user connect to an internal host from the Internet. I will restrict access to the port so only a small number of IP addresses will be allowed to connect.

Your computer's firewall is a network security protocol that blocks unauthorized access from a local network or the Internet. The firewall allocates "ports" to programs that require network and ...