zhenye zhang

…ync service ## What changes were proposed in this pull request? Fix the default SSL Ciphers are too weak issue for user sync service. ## How was this patch tested?...

## What changes were proposed in this pull request? Add server link for ZK Admin server in Ambari UI ## How was this patch tested? Install ZK server, then you...

AMBARI-26137:Add whitelist setting for host access control

1

## What changes were proposed in this pull request? Add a whitelist configuration setting to control which host will be allowed to access Ambari server. ## How was this patch...