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gatekeeper(1) (Gatekeeper) An application validation check in iOS and Mac OS X (as of Version 10.8). See Mountain Lion.
(2) In an H.323 IP telephony or video environment, a gatekeeper is a device that manages domains and provides call control. It is used to translate user names into IP addresses, to authenticate users and to manage network resources. Gatekeepers also provide call authorization and accounting information. See H.323 and MCU.
(3) An organization that exercises a great amount of control over how its products are sold and used. See proprietary and walled garden.
Gatekeeper(religion, spiritualism, and occult)
Aterm used for a medium’s personal spirit guide, who oversees the coming and going of spirits trying to make contact at a séance. Used interchangeably with “Door Keeper,” this guide organizes the spirits who want to make contact with the sitter(s). He or she will ensure that the spirits are there and will help them, if necessary, to make the contact. The Gatekeeper will also keep away unwanted spirits who may want to contact this physical world but are not directly connected to the sitter. Estelle Roberts’s Gatekeeper and personal guide was “Red Cloud.” Ena Twigg’s was “Philip.” Arthur Ford had “Fletcher,” William Rainen had “Dr. Peebles,” and Ivy Northage had “Chan.” Many times these Gatekeepers and spirit guides are in the form of Native Americans.
What does it mean when you dream about a gatekeeper?
The gatekeeper allows passage from one form or condition to another. If the dreamer is the gatekeeper, the dream may mean the dreamer should be careful about what he or she allows to pass through or hold on to in his or her life.