Nmap is an essential tool for anyone who's serious about network security. It can be installed on any Linux distribution.

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 ...

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 ...

Port forwarding is a crucial networking technique that allows you to make a computer or device on your local network accessible to the internet, bypassing the security features of your router. This is ...

I have been trying to use the snmp-sysdescr.nse script within NMAP (Windows binaries) without success. Using NMAP with other arguments, I have been able to verify that port 161/UDP is open and ...

As with any network and internet-capable computing system, many of Apple's services and programs require access to the internet and/or local network using TCP and UDP ports to function properly. When ...

Two separate applications cannot listen on the same UDP port. You could however write an app to listen on the port, then rebroadcast it to the other ports. Then configure the other applications to ...

Do you know who connects to your wired and wireless networks, when and where? Do you know who is using applications forbidden by your network usage policy, such as maybe LimeWire or Gnutella? With the ...