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https://issues.apache.org/jira/browse/SPARK-1532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14243086#comment-14243086
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Sean Owen commented on SPARK-1532:
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[~foundart] Is this abandoned? your second PR was ready to merge but needed
rebasing, then got closed. Looks like it was a good change that can be revived.
> provide option for more restrictive firewall rule in ec2/spark_ec2.py
> ---------------------------------------------------------------------
>
> Key: SPARK-1532
> URL: https://issues.apache.org/jira/browse/SPARK-1532
> Project: Spark
> Issue Type: Improvement
> Components: EC2
> Affects Versions: 0.9.0
> Reporter: Art Peel
> Priority: Minor
>
> When ec2/spark_ec2.py sets up firewall rules for various ports, it uses an
> extremely lenient hard-coded value for allowed IP addresses: '0.0.0.0/0'
> It would be very useful for deployments to allow specifying the allowed IP
> addresses as a command-line option to ec2/spark_ec2.py. This new
> configuration parameter should have as its default the current hard-coded
> value, '0.0.0.0/0', so the functionality of ec2/spark_ec2.py will change only
> for those users who specify the new option.
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