This article, List open ports and listening services, originally appeared on TechRepublic.com. One of the biggest headaches for network administrators is open ports on devices. Unless you manually ...

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 ...

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 ...

I'd like to be able to Remote Desktop into my school machine from off campus. What would be the best way to see if any ports are not blocked by my school?<BR><BR>I was thinking I could scan my IP (we ...

When in the ‘Advanced Settings’ of Windows 8 firewall, click the Advanced settings link in the left-hand pane of the main firewall dialog. This will bring up the Windows Firewall with Advanced ...

The recent WannaCry and NotPetya attacks were made possible by gross IT negligence. That they used a purportedly US-developed cyber weapon (which was released by a hacking group called Shadow Brokers) ...