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https://issues.apache.org/jira/browse/KNOX-3425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18107556#comment-18107556
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David Han commented on KNOX-3425:
---------------------------------
on further investigation, this isn't due to the exception swallowing. there's a
problem with the UserSearchInterceptor.bind method where if any of the remote
backends allow anonymous bind, then anonymous bind will be allowed.
> Ldap Proxy may allow anonymous bind
> -----------------------------------
>
> Key: KNOX-3425
> URL: https://issues.apache.org/jira/browse/KNOX-3425
> Project: Apache Knox
> Issue Type: Bug
> Components: Server
> Affects Versions: 3.0.0
> Reporter: David Han
> Assignee: David Han
> Priority: Major
> Fix For: 3.0.0, 3.1.0
>
>
> The UserSearchInterceptor is configured before the AuthenticationInterceptor.
> The search implementation swallows exceptions with the intention to allow
> partial results from multiple backends. The bug is that this exception
> handling behavior also swallows exceptions raised by the authentication
> interceptor.
> I think that the behavior should be changed to raise any exceptions rather
> than swallowing. Swallowing exceptions also makes it unclear if there were
> any configuration problems connecting to a remote backend.
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