By default all connections between every provided node is secured via TLS by easyrsa, including the etcd cluster.
The TLS and easyrsa implementations use the following layers.
This page explains the security considerations of a deployed cluster and production recommendations.
This page assumes you have a working Juju deployed cluster.
By default the administrator can ssh to any deployed node in a cluster. You can mass disable ssh access to the cluster nodes by issuing the following command.
juju model-config proxy-ssh=true
Note: The Juju controller node will still have open ssh access in your cloud, and will be used as a jump host in this case.
Refer to the model management page in the Juju documentation for instructions on how to manage ssh keys.Create an Issue Edit this Page