Hello @Scharan  From the debug log I think the issue is when Knoxsso is redirecting to NN UI, it is sending user as anonymous.  AclsAuthorizationFilter.java:enforceAclAuthorizationPolicy(133)) - PrimaryPrincipal: anonymous Do you know what configs at hdfs or Knox could help here? ... View more

Hello @Hadoop16  Can you try adding public group to the ranger knox policy and then run webhdfs curl command ... View more

@Hadoop16 Welcome to the Cloudera Community! As this is an older post, you would have a better chance of receiving a resolution by starting a new thread. This will also be an opportunity to provide details specific to your environment that could aid others in assisting you with a more accurate answer to your question. You can link this thread as a reference in your new post. Thanks. ... View more