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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9552) KVM Security Groups do not allow DNS over TCP egress
Date Thu, 20 Oct 2016 10:45:59 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15591479#comment-15591479
] 

ASF GitHub Bot commented on CLOUDSTACK-9552:
--------------------------------------------

Github user blueorangutan commented on the issue:

    https://github.com/apache/cloudstack/pull/1713
  
    @rhtyd a Jenkins job has been kicked to build packages. I'll keep you posted as I make
progress.


> KVM Security Groups do not allow DNS over TCP egress
> ----------------------------------------------------
>
>                 Key: CLOUDSTACK-9552
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9552
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: KVM
>    Affects Versions: 4.8.0, 4.9.0
>         Environment: KVM Basic Networking
>            Reporter: Wido den Hollander
>            Assignee: Wido den Hollander
>              Labels: dns, dnssec, security-groups
>             Fix For: Future
>
>
> When egress filtering is configured all outbound traffic is blocked unless configured
otherwise.
> With the exception that UDP/53 DNS is allowed implicitly by the Security Groups.
> Many DNS responses are larger then 4k, with DNSSEC for example and require TCP to be
allowed.
> The Security Groups should also allow TCP/53 when egress filtering is configured.



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