Security controls for most resources are applied based on group membership and user attributes.

对于大多数资源，安全性是根据组成员身份和用户属性应用的。

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This script creates user and group tables that you'll use to set up a database-based security realm.

这个脚本创建用户和组表，您将使用这些表设置基于数据库的安全域。

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Users are managed either from file-based user and group security files or populated from a Lightweight directory Access Protocol (LDAP) directory.

用户或者从基于文件的用户和组安全文件进行管理，或者从一个轻量级目录访问权限协议(LDAP)目录中产生。

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Mr. Yershalmi is the General Counsel for the Center for Security Policy, a non-partisan national security group based in Washington, DC.

CENTERFORSECURITYPOLICY: Center For Security Policy

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