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Robert Joseph Evans commented on MAPREDUCE-2858:
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The proxy is not currently optional. Part of that is to address MAPREDUCE-3174, which would
require a proxy anyways, once the AM shuts down. We could allow it to pass through all cookies
if security is disabled, if you think it is critical.
> MRv2 WebApp Security
> --------------------
>
> Key: MAPREDUCE-2858
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2858
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: applicationmaster, mrv2, security
> Affects Versions: 0.23.0, 0.24.0
> Reporter: Luke Lu
> Assignee: Robert Joseph Evans
> Priority: Blocker
> Fix For: 0.23.0
>
> Attachments: MR-2858-branch-0.23.txt, MR-2858-branch-0.23.txt, MR-2858.txt, MR-2858.txt
>
>
> In MRv2, while the system servers (ResourceManager (RM), NodeManager (NM) and NameNode
(NN)) run as "trusted"
> system users, the application masters (AM) run as users who submit the application. While
this offers great flexibility
> to run multiple version of mapreduce frameworks (including their UI) on the same Hadoop
cluster, it has significant
> implication for the security of webapps (Please do not discuss company specific vulnerabilities
here).
> Requirements:
> # Secure authentication for AM (for app/job level ACLs).
> # Webapp security should be optional via site configuration.
> # Support existing pluggable single sign on mechanisms.
> # Should not require per app/user configuration for deployment.
> # Should not require special site-wide DNS configuration for deployment.
> This the top jira for webapp security. A design doc/notes of threat-modeling and counter
measures will be posted on the wiki.
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