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https://issues.apache.org/jira/browse/CLOUDSTACK-5494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13851472#comment-13851472
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Wei Zhou commented on CLOUDSTACK-5494:
--------------------------------------
Exactly.
> 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
> Fix For: 4.3.0
>
>
> 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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