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Client/Server
In networking, a network in which several PCtype systems (clients) are connected to one or more powerful, central computers (servers). In databases, refers to a model in which a client system runs a database application (front end) that accesses information in a database management system situated on a server (back end).
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A collection of integrated subjectoriented databases designed to support the Decision Support function, where each unit of data is relevant to some moment in time. The data warehouse contains atomic data and summarized data. Large databases used to store large amounts of information from a variety of databases for use in specialized analysis techniques.
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A workstation in a network that is set up to use the resources of a server. Individual or process acting on behalf of an individual who makes requests of a guard or dedicated server. The client’s requests to the guard or dedicated server can involve data transfer to, from, or through the guard or dedicated server.
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Proxy server is a server that acts as an intermediary between a remote user and the servers that run the desired applications. Typical proxies accept a connection from a user, make a decision as to whether or not client IP address is permitted to use the proxy, perhaps perform additional authentication, and complete a connection to a remote destination on behalf of the user.
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An attack in which a malicious user records the traffic between a client and server. The packets sent from the client to the server are then played back or retransmitted to the server with slight variations of the time stamp and source IP address (in other words, spoofing). In some cases, this allows the malicious user to restart an old communication link with a server. Also referred to as a playback attack.
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A method of accessing electronic mail or bulletin board messages that are kept on a (possibly shared) mail server. IMAP permits a “client” email program to access remote message stores as if they were local. For example, email stored on an IMAP server can be manipulated from a desktop computer at home, a workstation at the office, and a notebook computer while traveling, without the need to transfer messages of files back and forth between these computers. IMAP can be regarded as the nextgeneration POP. A protocol used to transfer email messages from an email server to an email client.
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