And, since about the mid-90s or so, "portmaster" was also the name of a series of hardware "appliances" (as we'd probably call them today) that were very widely

And, since about the mid-90s or so, "portmaster" was also the name of a series of hardware "appliances" (as we'd probably call them today) that were very widely used in the early days of the Internet [0]. -- [0]: http://portmasters.com http://portmasters.com