You can connect multiple printers to a single computer in your office and use them to print business documents in various formats. Your computer communicates with each printer on your office network ...

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 ...

"DICOM isn't getting through because port 104 is blocked."When a network administrator tells you this, don't you wonder, ...

I'm looking for what I believed must be a very simple piece of software, but after hours of googling I still haven't found something usable. I need software, preferably running as a service, that can ...

I have a VM running Server 2008 R2 SP1 that is a network print server - TCP/IP print queues are installed on the server, and then shared out/published in AD. Client PC's connect to the shared printers ...

Ask any security, network or systems administrator about the top tools in their toolbox and Nmap is likely on their list. Short for Network Mapper, the versatile utility does everything from ...

It is common to encounter a requirement to allow access to mailboxes on Exchange servers through a firewall, perhaps to accommodate the needs of traveling users who wish to connect across the public ...

In this tutorial we will discuss the concept of Ports and how they work with IP addresses. If you have not read our article on IP addresses and need a brush up, you can find the article here. If you ...

I've read that there is an "application" that allows computers to communicate without exposing or opening ports to the Internet. Is this possible, and if so, will it create a safer Internet ...