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 1996, Livingston introduced the
allowlist-based
internet filter ChoiceNet, which could be used on PortMaster products.[12]