A moon of (120347) 2004 SB60 [Salacia], with a diamater of about 290 km, was discovered in July of 2006 [Actaea].
In the year 1982 appeared the movie "Tron", were the main character is a software developer that is blocked by an artificial intelligence called "Master Control Program". In the year 2004, appeared the movie "I-Robot", in which there is an artificial intelligence called "VIKI" that remains the one in "Tron". Also, that year (2004), appeared several movies with the main theme as 'refuse access', like "Anacondas: The Hunt for the Blood Orchid", "Wicker Park", "The Hunted Mansion" (2003), also "Cars" (Pixar) and "The Departed" in the year 2006 and "E.T.: The Extra-Terrestrial" in the year 1982.
A firewall is a device or set of devices designed to permit or deny network transmissions based upon a set of rules and is frequently used to protect networks from unauthorized access while permitting legitimate communications to pass. (Wikipedia: firewall)
"When a Stranger Calls" (2006)
The selective process of (120347) 2004 SB60 [Salacia] works like a computing firewall: not allowing anything that does not match with certain pre-established rules, like preventing access without T-shirt, or with sports clothing and footwear.
Classical Kuiper belt objects are the transpersonal or spiritual dimension of Saturn. As (120347) 2004 SB60 [Salacia], Saturn also imposes limits, but usually in a physical or material way.