Hi all,

I want to secure my Solr cluster and added security.json to the Zookeeper 
cluster in the chroot. But I always get the following log entries:

2024-11-20 07:09:14.036 INFO  (main) [c: s: r: x: t:] 
o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
2024-11-20 07:09:15.081 WARN  (main) [c: s: r: x: t:] o.a.s.c.ZkController 
Contents of zookeeper /security.json are world-readable; consider setting up 
ACLs as described in 
https://solr.apache.org/guide/solr/latest/deployment-guide/zookeeper-access-control.html
2024-11-20 07:09:15.435 INFO  (main) [c: s: r: x: t:] o.a.s.c.c.ZkStateReader 
Updated live nodes from ZooKeeper... (0) -> (2)
2024-11-20 07:09:16.082 INFO  (main) [c: s: r: x: t:] 
o.a.s.c.DistributedClusterStateUpdater Creating DistributedClusterStateUpdater 
with useDistributedStateUpdate=false. Solr will be using Overseer based cluster 
state updates.
2024-11-20 07:09:16.354 INFO  (main) [c: s: r: x: t:] o.a.s.c.ZkController 
Publish node=localhost:8984_solr as DOWN
2024-11-20 07:09:17.411 INFO  (main) [c: s: r: x: t:] o.a.s.c.ZkController 
Register node as live in ZooKeeper:/live_nodes/localhost:8984_solr
2024-11-20 07:09:17.693 INFO  (zkCallback-15-thread-1) [c: s: r: x: t:] 
o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2) -> (3)
2024-11-20 07:09:18.017 WARN  (main) [c: s: r: x: t:] o.a.s.c.CoreContainer Not 
all security plugins configured!  authentication=disabled 
authorization=disabled.  Solr is only as secure as you make it. Consider 
configuring authentication/authorization before exposing Solr to users internal 
or external.  See https://s.apache.org/solrsecurity for more info

Is securing access control to Zookeeper a requirement to enable Solr security 
when using Solr with Zookeeper?

Thanks in advance.

Mihael

Mihael Schmidt
Software Engineering

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