IPrism

iPrism is an Internet filter distributed by St. Bernard Software. According to the St. Bernard Website, it is a "high-performance Web filtering appliance that monitors, blocks, and reports on inappropriate Internet access." The iPrism Model 1200 was winner of the CRN Magazine "Editor's Choice Award." The Model 3000 includes "a gigabit interface, RAID, and the ability to handle larger volumes of Web traffic."

iPrism is easily loop-holed, either through the use of caches or proxies.