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https://issues.apache.org/jira/browse/HADOOP-2239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12569044#action_12569044
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Doug Cutting commented on HADOOP-2239:
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> should it be "hftps:" rather than "hsftp:"?
Whatever. Both SFTP and FTPS refer to secure file-transfer protocols. The
former does not require certs, while the latter (like HTTPS) does. So maybe
FTPS is a better analogy, but HSFTP reads better to me, as the Hadoop Secure
File Transfer Protocol.
> Security: Need to be able to encrypt Hadoop socket connections
> ---------------------------------------------------------------
>
> Key: HADOOP-2239
> URL: https://issues.apache.org/jira/browse/HADOOP-2239
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Reporter: Allen Wittenauer
>
> We need to be able to use hadoop over hostile networks, both internally and
> externally to the enterpise. While authentication prevents unauthorized
> access, encryption should be used to prevent such things as packet snooping
> across the wire. This means that hadoop client connections, distcp, etc,
> would use something such as SSL to protect the TCP/IP packets.
> Post-Kerberos, it would be useful to use something similar to NFS's krb5p
> option.
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