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: Security Pattern Space
Protecting systems against unauthorized access is the first line of defense. At the entry point, the requests have to evaluated and access permission is granted only if they conform to some policy.
How can this goal be achieved?
Structure a system so that all access by clients to resources is mediated by a guard which enforces a security policy. The guard can be any type of firewall that acts as the policy enforcement point. Each resource or the overall system is protected by a guard that evaluates the incoming requests.
Java 2 Access Controller. A Bank Vault.
Single Access Point, Policy Enforcement Point, Policy
Open Group Catalog
Access Control, Policy
Last modified: May 05, 2012
and Maintained by: Munawar Hafiz