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https://issues.apache.org/jira/browse/CLOUDSTACK-5494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei Zhou closed CLOUDSTACK-5494.
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Resolution: Duplicate
This issue has been already fixed by Sheng Yang
https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=a554ebd
> the dns resolver servers on the VRs are open to the world
> ---------------------------------------------------------
>
> Key: CLOUDSTACK-5494
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5494
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Affects Versions: 4.2.0, 4.3.0
> Reporter: Wei Zhou
> Assignee: Jayapal Reddy
> Priority: Critical
> Labels: security
> Fix For: Future
>
>
> Currently the port 53 (tcp and udp) on virtual routers are open, so everyone
> on the internet can visit the dns service on virtual routers. This may cause
> overload and security issue.
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