Create Table Failed W0106 18:18:54.640544 368440 negotiation.cc:307] Unauthorized connection attempt: Server connection negotiation failed: server connection from 172.136.38.157:35678: unauthenticated connections from publicly routable IPs are prohibited. See --trusted_subnets flag for more information.: 172.136.38.157:35678 After setting up kudu, we can enable it to work with Impala. We, can check the cluster status - kudu cluster ksck <master> The cluster doesn't have any matching tables ================== Errors: ================== error fetching info from tablet servers: Not found: No tablet servers found FAILED -- Also, tablet Server UI is not opening. Solution- This error might be because Kudu Service has to know about trusted networks, which we can set - Kudu Service Advanced Configuration Snippet (Safety Valve) for gflagfile Kudu (Service-Wide) --trusted_subnets=127.0.0.0/8,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16,169.254.0