Fedora Directory Server 介绍
Fedora Directory Server 是一个企业级的Linux目录服务器，现已改名为 389 Directory
Server，这名字非常让人费解，主要的特性包括：
- Multi-Master Replication, to provide fault tolerance and high write performance
- Scalability: thousands of operations per second, tens of thousands of concurrent users, tens of millions of entries, hundreds of gigabytes of data
- The codebase has been developed and deployed continuously by the same team for more than a decade
- Extensive documentation, including helpful Installation and Deployment guides
- Active Directory user and group synchronization
- Secure authentication and transport (SSLv3, TLSv1, and SASL)
- Support for LDAPv3
- On-line, zero downtime, LDAP-based update of schema, configuration, management and in-tree Access Control @R_615_4045@ion (ACIs)
- Graphical console for all facets of user, group, and server management
