Livingston was the original author of the RADIUS standard for authentication.[8] The open source FreeRADIUS implementation that is being developed since 1999 has a syntax that is similar to the original Livingston implementation.[9]
In 1998, it released the RADIUS Accounting Billing Manager software.[10]
PortMaster
The first product released in 1990 was the PortMaster Communications Server.[11]
In 1995, the PortMaster Office Router was licensed to Cisco, which formed their 1020 Dial-on-Demand Asynchronous Router.[12]
In 1996, Livingston introduced the allowlist-based internet filter ChoiceNet, which could be used on PortMaster products.[13]