Proprietary Standards Network standards that are developed in a manufacturer-specific
manner. Their specifications are not in the public domain and are only used and accepted by a
specific vendor.
Protocol An accepted or established set of procedures, rules, or formal specifications govern-
ing specific behavior or language. When applied to networks, a network protocol is a formal
specification that defines the vocabulary and rules of data communication.
Proxy Server A device or product that provides network protection at the application level by
using custom programs for each protected application. These custom-written ...
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