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https://issues.apache.org/jira/browse/HBASE-14700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14978754#comment-14978754
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Gary Helmling commented on HBASE-14700:
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[~apurtell], do you have time to take a look?
> Support a "permissive" mode for secure clusters to allow "simple" auth clients
> ------------------------------------------------------------------------------
>
> Key: HBASE-14700
> URL: https://issues.apache.org/jira/browse/HBASE-14700
> Project: HBase
> Issue Type: Improvement
> Components: security
> Reporter: Gary Helmling
> Assignee: Gary Helmling
> Fix For: 2.0.0
>
> Attachments: HBASE-14700-v2.patch, HBASE-14700.patch
>
>
> When implementing HBase security for an existing cluster, it can be useful to
> support mixed secure and insecure clients while all client configurations are
> migrated over to secure authentication.
> We currently have an option to allow secure clients to fallback to simple
> auth against insecure clusters. By providing an analogous setting for
> servers, we would allow a phased rollout of security:
> # First, security can be enabled on the cluster servers, with the
> "permissive" mode enabled
> # Clients can be converting to using secure authentication incrementally
> # The server audit logs allow identification of clients still using simple
> auth to connect
> # Finally, when sufficient clients have been converted to secure operation,
> the server-side "permissive" mode can be removed, allowing completely secure
> operation.
> Obviously with this enabled, there is no effective access control, but this
> would still be a useful tool to enable a smooth operational rollout of
> security. Permissive mode would of course be disabled by default. Enabling
> it should provide a big scary warning in the logs on startup, and possibly be
> flagged on relevant UIs.
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