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From Glen Baars <>
Subject Cloudstack 4.11 - Ubuntu 16.04 Agent UFW firewall issues
Date Tue, 12 Jun 2018 03:40:42 GMT
Hello Devs,

When we deployed cloudstack 4.11.0 into production, we found that the UFW rules for the KVM
host overrides the firewall rules set by the user in cloudstack. This prevented network access
to the VMs on most ports.

We followed the guide on this page for the advanced zone – ubuntu.

Disabling UFW on the KVM host fixed the issue but obviously not a great solution ☹

Is there any logging that would help? I have a spare server in the production cluster that
I can test the issue on.
Kind regards,
Glen Baars
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