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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7942) NFS: support regexp grouping in nfs.exports.allowed.hosts
Date Tue, 24 Mar 2015 10:46:01 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14377658#comment-14377658
] 

Hudson commented on HDFS-7942:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #876 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/876/])
HDFS-7942. NFS: support regexp grouping in nfs.exports.allowed.hosts. Contributed by Brandon
Li (brandonli: rev 36af4a913c97113bd0486c48e1cb864c5cba46fd)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HdfsNfsGateway.md
* hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/nfs/NfsExports.java
* hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/TestNfsExports.java


> NFS: support regexp grouping in nfs.exports.allowed.hosts
> ---------------------------------------------------------
>
>                 Key: HDFS-7942
>                 URL: https://issues.apache.org/jira/browse/HDFS-7942
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: nfs
>    Affects Versions: 2.6.0
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7942.001.patch, HDFS-7942.002.patch
>
>
> Thanks, [~yeshavora], for reporting this problem.
> Set regex value in nfs.exports.allowed.hosts property.
> {noformat}
> <property><name>nfs.exports.allowed.hosts</name><value>206.190.52.[26|23]
rw</value></property>
> {noformat}
> With this value, neither 206.190.52.26 nor 206.190.52.23 can mount nfs and act as nfs
client. In conclusion, no host can mount nfs with this regex value due to access denied error.
> {noformat}
> >$ sudo su - -c "mount -o soft,proto=tcp,vers=3,rsize=1048576,wsize=1048576,nolock
206.190.52.23:/ /tmp/tmp_mnt" root
> mount.nfs: access denied by server while mounting 206.190.52.23:/
> {noformat}



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