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https://issues.apache.org/jira/browse/HBASE-15577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15222886#comment-15222886
 ] 

Yu Li commented on HBASE-15577:
-------------------------------

I think this is a good way to supply some light-weight security. Some review 
points:

In {{ZKUtil}}:
{noformat}
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
{noformat}
I think we should fall back to return {{Ids.OPEN_ACL_UNSAFE}} here.

In {{ZooKeeperWatcher}}:
{noformat}
+    if("master".equals(identifier) || "regionserver".equals(identifier)){
{noformat}
Why only read auth for HMaster/RS? IMO we should also support client auth 
right? If any special reason to limit the auth to master/rs, we should use 
{{HMaster.MASTER}} and {{HRegionServer.REGIONSERVER}} instead of the hard-coded 
strings.

Please also add some UT case for this feature. Thanks.

> there need be a mechanism to enable ZK's ACL check when the authentication 
> strategy is simple
> ---------------------------------------------------------------------------------------------
>
>                 Key: HBASE-15577
>                 URL: https://issues.apache.org/jira/browse/HBASE-15577
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 1.1.3
>            Reporter: chenxu
>            Assignee: chenxu
>         Attachments: HBASE-15577.patch, zk-set-acl.patch
>
>
> if the hbase.security.authentication is set to simple, the ZKUtil.createACL 
> just return Ids.OPEN_ACL_UNSAFE, means that there is no ACL check on the ZK's 
> node.
> we can refactoring this to enables the ACL's check function



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