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https://issues.apache.org/jira/browse/CLOUDSTACK-10333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16413419#comment-16413419
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ASF GitHub Bot commented on CLOUDSTACK-10333:
---------------------------------------------
wido commented on a change in pull request #2505: CLOUDSTACK-10333: Secure Live
VM Migration for KVM
URL: https://github.com/apache/cloudstack/pull/2505#discussion_r176988097
##########
File path: debian/cloudstack-agent.postinst
##########
@@ -50,6 +50,13 @@ case "$1" in
mkdir /etc/libvirt/hooks
fi
cp -a /usr/share/cloudstack-agent/lib/libvirtqemuhook
/etc/libvirt/hooks/qemu
+
+ # Enable TLS enabled VM migration for libvirtd
+ if ! iptables-save | grep -- "-A INPUT -p tcp -m tcp --dport 16514 -j
ACCEPT" > /dev/null; then
+ iptables -t filter -A INPUT -p tcp -m tcp --dport 16514 -j ACCEPT
+ iptables-save > /etc/iptables/rules.v4
+ fi
+
Review comment:
I am not to keen on this one. Do we really want our packages to start
configuring a firewall on a host?
This should be on the docs to tell people to open the port(s), not having
packages doing it manually.
In addition, the directory /etc/iptables does not exist by default on Ubuntu.
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> Secure VM Live migration for KVM
> --------------------------------
>
> Key: CLOUDSTACK-10333
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10333
> Project: CloudStack
> Issue Type: Improvement
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Reporter: Rohit Yadav
> Assignee: Rohit Yadav
> Priority: Major
> Fix For: 4.12.0.0, 4.11.1.0
>
>
> With use of CA framework to secure hosts, the current mechanisms don't secure
> libvirtd to use those certificates (used by agent to connect to mgmt server).
> This causes insecure vm migration over tcp instead of tls. The aim is to use
> the same framework and certificates to secure live VM migration. This could
> be coupled with securing of a host and renewal/provisioning of certificates
> to host.
>
> FS:
> https://cwiki.apache.org/confluence/display/CLOUDSTACK/Secure+Live+VM+Migration+for+KVM
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