Apache zookeeper Zookeeper打开额外的随机高端口

我看到，在每个节点上，zookeeper都打开了一个随机高端口，该端口正在监听所有接口。如何禁用它

这是我的zoo.cfg文件

# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial 
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between 
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
dataDir=/var/lib/zookeeper
# Place the dataLogDir to a separate physical disc for better performance
# dataLogDir=/disk2/zookeeper

admin.enableServer=false
autopurge.snapRetainCount=3
autopurge.purgeInterval=1
standaloneEnabled=false

# the port at which the clients will connect
clientPort=2181
clientPortAddress=192.168.0.102

# specify all zookeeper servers
# The fist port is used by followers to connect to the leader
# The second one is used for leader election
server.1=192.168.0.101:2888:3888
server.2=192.168.0.102:2888:3888
server.3=192.168.0.10:2888:3888


snapCount=100000

以下是netstat显示的内容：

tcp6       0      0 192.168.0.102:3888      :::*                    LISTEN      21444/java              
tcp6       0      0 :::42433                :::*                    LISTEN      21444/java          
tcp6       0      0 192.168.0.102:2181      :::*                    LISTEN      21444/java     

因为我不知道zookeeper启动后将选择哪个端口，所以我无法设置防火墙

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Zookeeper的版本是：3.6.2

我在看同样的东西，并在这里得到了一些信息

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我在看同样的东西，并在这里得到了一些信息