[jira] [Created] (IMPALA-7182) Impala does not allow the use of insecure clusters with public IPs by default

["Sailesh Mukil (JIRA)" <ji...@apache.org>]

Sailesh Mukil created IMPALA-7182:
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             Summary: Impala does not allow the use of insecure clusters with public IPs by default
                 Key: IMPALA-7182
                 URL: https://issues.apache.org/jira/browse/IMPALA-7182
             Project: IMPALA
          Issue Type: Documentation
          Components: Security
    Affects Versions: Impala 2.12.0
            Reporter: Sailesh Mukil
            Assignee: Alex Rodoni


We made Impala more secure by using KRPC which doesn't allow the usage of insecure clusters (no auth or no encryption) with public IPs by default.

We have a workaround which is to add the subnet to this flag 'trusted_subnets':
https://github.com/apache/impala/blob/master/be/src/kudu/rpc/server_negotiation.cc#L70-L80

Although we don't expect users to run production environments with this configuration, we need to document this as it's a slight behavioral change from Impala 2.11 to Impala 2.12.



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