The useful program ping can be used to quickly test connections on your computer network. sends a signal from your computer to a specified network address. If the computer at that address responds, ...

The 'ping' command on most flavors of Unix has a nifty little feature that lets you select which port to ping on. It's handy when troubleshooting network applications. For example, if some wierd app.

Here in the Oregon HQ for macosxhints.com, we’ve got a few devices on our local network. There are the Macs, of course, and a networked Brother laser printer, the AirPort Base Station, and our (rarely ...

We have a customer that has several remote sites that connect to their main office. There is an application that runs that connects to the remote sites, and when a remote site is having connectivity ...