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 ...

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 ...

Netstat, the TCP/IP networking utility, has a simple set of options and identifies a computer’s listening ports, along with incoming and outgoing network connections. This data can be very helpful if ...

Nintendo says just open all udp ports! Hah! <BR><BR>You could have to check the ports while you are searching for opponents and while playing a game. This could be done by a port checking program or ...

Press "Windows-R" to open a Run box. Type "cmd" -- without quotes here and throughout -- in the "Open" field, then press "Enter." If a User Account Control message displays, click the "Yes" button. A ...

A few days ago, I finally got Fink to work and installed a lot of stuff I usually work with. One of those happened to ettercap.<br><br>So I'm sniffing the network (my own, mind you) and I found ...

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 ...

In the cybersecurity world, testing for the existence of exploitable vulnerabilities isn’t always an exact science. Checking for open ports (CIS Control 9 - Limitation and Control of Network Ports, ...

Data packets travel to and from numbered network ports associated with particular IP addresses and endpoints, using the TCP or UDP transport layer protocols. All ports are potentially at risk of ...