In an actual implementation, you should always choose the most restrictive filter that meets the business requirement, starting with a fully-qualified DN and working back from there.
在实际的实现中，始终要选择可满足业务需求的最具限制性的过滤，从完全限定的DN开始，然后再从此返回。
2
Rather than just dumping every attribute back into XML, you might want to filter and massage nodes before writing them.
可能不仅仅是将每个属性转储到 XML 中，在写入之前，还要过滤和处理节点。
3
The filter will then inspect the request object and decide to forward the request to the next component in the chain, or stop the request and send a response directly back to the client.