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A device that routes data packets between multiple TCP/IP networks having dissimilar transport protocols. Forefront TMG can act as a gateway between an internal network (an intranet) and the public network (the Internet). See also router.
A protocol that is used in conjunction with the Point-to-Point Tunneling Protocol (PPTP) to create virtual private networks (VPNs). After the PPTP control session has been established, GRE is used to encapsulate the data or payload in a secure manner.
A 128-bit value that uniquely identifies objects such as OLE servers, interfaces, manager entry-point vectors, and client objects.
In a network, an account containing user accounts that are called members. The permissions and rights granted to a group are also provided to its members, making groups a convenient way to grant common capabilities to collections of user accounts. Groups are assigned unique names within a domain.
See globally unique identifier (GUID).
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