因此，避免使用基于客户主机名的访问控制，在必须使用时限定其作用域，这些都是明智的做法。
Therefore, it's wise to avoid using access controls based on the client's hostname and to scope them as described when they're necessary.
现有的基于主机的应用程序和企业数据都可以通过一组访问服务从 ESB 访问。
Existing host-based applications and enterprise data are accessible from the ESB through a set of access services.
主机 PaaS 自身可以固化为一个盒子（设备），带有单纯作为安全控制和客户端定制提交访问门户输出的基于 web 的管理控制台。
The hosting PaaS itself can be hardened as a box (appliance) with a web-based administration console exposed as solely an access portal for security control and client-side customization submissions.
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