[jira] [Commented] (HADOOP-9653) Token validation and transmission

["Kai Zheng (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-9653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687707#comment-13687707 ] 

Kai Zheng commented on HADOOP-9653:
-----------------------------------

To securely transmit token in Hadoop RPC in a way the defends against all of the classical attacks, we might consider SPKM/LIPKEY approach besides the one SASL over SSL mentioned in HADOOP-9533. Both assumes server certificate and optionally client certificate. GSS SPKM/LIPKEY mechanism can fit seamlessly in current SASL RPC authentication framework but might require significant implementation effort. SSL is another option but has compatibility and performance challenges. Any thought here?
                
> Token validation and transmission
> ---------------------------------
>
>                 Key: HADOOP-9653
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9653
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>              Labels: rhino
>             Fix For: 3.0.0
>
>
> HADOOP-9392 proposes to have customizable token authenticator for services to implement the TokenAuthn method and it was thought supporting pluggable token validation is a significant feature itself so it serves to be addressed in a separate JIRA. It will also consider how to securely transmit token in Hadoop RPC in a way the defends against all of the classical attacks. Note the authentication negotiation and wrapping of Hadoop RPC should be backwards compatible and interoperable with existing deployments, so therefore be SASL based.

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