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Database Security
Database Security

... Instantiation of relation: sets of tuples of the form ...
Liu-TMC07-slide
Liu-TMC07-slide

... Support both mobile and stationary query nodes Entry point can be anywhere in the network and occurs at any time Assume that the speed of the mobile node is much smaller than that of communication in the sense that disconnection does not happen during a query process Assume all nodes in the network ...
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White Paper - DC
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lecture5 - Andrew.cmu.edu
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Distributed firewall

A firewall is a system or group of systems (router, proxy, or gateway) that implements a set of security rules to enforce access control between two networks to protect ""inside"" network from ""outside"" network. It may be a hardware device or a software program running on a secure host computer. In either case, it must have at least two network interfaces, one for the network it is intended to protect, and one for the network it is exposed to. A firewall sits at the junction point or gateway between the two networks, usually a private network and a public network such as the Internet.
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