IP tools, when used properly, can help system builders tackle set-up and configuration chores, speed troubleshooting and problems resolution, and address all kinds of security issues and concerns. A ...

Run the command "netstat -ab" in an elevated Command Prompt, PowerShell, or Terminal window to see a list of applications and their associated ports. Checking open ports can be done using built-in ...

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 ...

Security practitioners for decades have advised people to limit DNS queries against their DNS servers to only use UDP port 53. The reality is that DNS queries can also use TCP port 53 if UDP port 53 ...

Windows administrators sometimes have to track down network traffic or errant processes and then match that to network traffic. Here are scripts that will aid in the connectivity forensics at the port ...

I have a machine behind a firewall with a couple ports open and our propietary software is listening on one of those - a high port like 30999 for example. Is there a utility or something I can run on ...

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 ...

What is TCP/UDP port 27? I've looked it up in IANA's list of well-known ports and it came up as nsw-fe, or more appropriately, "NSW User System FE", but just what the hell is it? I've been told it was ...