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 ...

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 ...

See what process is using a TCP port in Windows Server 2008 Your email has been sent Windows administrators sometimes have to track down network traffic or errant processes and then match that to ...

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 ...