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The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing sensitive information to unauthorized users. The focus of access control in client/server environment is on protecting sensitive server resources by determining whether or not a client is authorized to access those resources. And then access control on the basis of data location or value in an XML document is essential. In this paper, we proposes an efficient client-based evaluator of access control rules for regulating access to XML database, and address how to increase sever throughput using access control rules functions that are management separately from the server database.