Apache Knox 0.9.0 发布，该项目的目的是为了简化和标准化发布和实现安全的 Hadoop 集群，通过集中式的 REST APIs 访问服务。
以下是一些值得关注的内容：
Authentication (LDAP and Active Directory Authentication Provider)
Federation/SSO (HTTP Header Based Identity Federation)
Authorization (Service Level Authorization)
Auditing
Integrates well with enterprise identity management solutions
Protects the details of the cluster deployment (hosts and ports are hidden from endusers)
Simplifies the number of services that clients need to interact with