windows - 连接apache directory studio的问题（LDAP认证失败）

Question

我已经安装了 apache directory studio，当我尝试从服务器添加新连接时，它会出现身份验证问题。

错误：

 - Unable to connect
 - No Connection
  java.lang.Exception: Unable to connect
    at org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper$1.run(DirectoryApiConnectionWrapper.java:251)
    at org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.runAndMonitor(DirectoryApiConnectionWrapper.java:1312)
    at org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.doConnect(DirectoryApiConnectionWrapper.java:281)
    at org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.connect(DirectoryApiConnectionWrapper.java:172)
    at org.apache.directory.studio.connection.core.jobs.CheckBindRunnable.run(CheckBindRunnable.java:78)
    at org.apache.directory.studio.connection.ui.RunnableContextRunner$1.run(RunnableContextRunner.java:140)
    at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119)

  Unable to connect
  java.lang.Exception: No Connection
    at org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.doBind(DirectoryApiConnectionWrapper.java:520)
    at org.apache.directory.studio.connection.core.io.api.DirectoryApiConnectionWrapper.bind(DirectoryApiConnectionWrapper.java:325)
    at org.apache.directory.studio.connection.core.jobs.CheckBindRunnable.run(CheckBindRunnable.java:79)
    at org.apache.directory.studio.connection.ui.RunnableContextRunner$1.run(RunnableContextRunner.java:140)
    at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119)

上个月之前，连接使用相同的凭据运行良好，但现在它无法正常工作并出现错误。

如何检查我使用的地址和端口是否在服务器上被阻止？