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https://issues.apache.org/jira/browse/RANGER-2362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17502872#comment-17502872
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kirby zhou commented on RANGER-2362:
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I think way 1 is unacceptable. Small clusters DO NOT want to link LDAP/AD just
for authentication.
In most cases, we only need few admin users to log in to ranger.
> [security] Admin webui - Lack of account lockout
> ------------------------------------------------
>
> Key: RANGER-2362
> URL: https://issues.apache.org/jira/browse/RANGER-2362
> Project: Ranger
> Issue Type: Bug
> Components: admin, Ranger
> Affects Versions: 1.0.0
> Reporter: t oo
> Priority: Major
>
> |Account lockout is a mechanism used to stop non-valid users from guessing
> for the right password. It is also a protection against brute force attacks
> wherein an automated system can use common/dictionary passwords or even build
> passwords based on set of characters just to try to guess the valid one.|
> |The application does not implement an account lockout mechanism, leaving it
> susceptible to brute force attacks. These login pages were susceptible to
> this condition.|
> |It is possible for an attacker to use dictionary or brute force attacks and
> set it to attempt sending the requests on a particular amount of time to
> bypass the validation. Once a username has been correctly guessed, the
> attacker may then be able to gain access to the application. Since it is
> vulnerable to Form Auto Complete Active vulnerability (LINK) which makes the
> email addresses easier to guess, it will make brute force attack to more
> likely possible.
> |Enforce account lockout conditions to prevent intrusions and improve
> password requirements and complexities to avoid the chances of brute force
> and dictionary attacks from working.|
> |
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