While scanning the firewall logs, I see lots of TCP ports in use, and Snort.Org's Port database gives the name of the program that is using that port. But from there, it's sometimes hard to find out ...

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 ...

I've recently upgraded software a Cisco VPN 3000 Concentrator to enable WebVPN functionality. One application I would like to get working using "Application Access" is Microsft Outlook connecting to a ...

10 ways to check ports in Linux to help troubleshoot systems Your email has been sent System and network troubleshooting often involves checking and obtaining information about ports to ensure ...

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 ...

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 ...

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 ...