etcd is a highly-available key value store used by Kubernetes deployments for persistent storage of all of its REST API objects. These objects are sensitive in nature and should not be available to unauthenticated clients. You should enable the client authentication via valid certificates to secure the access to the etcd service.
Do not use self-signed certificates for TLS.
Run the following command on the etcd server node:
ps -ef | grep etcd
Verify that if the
--auto-tls argument exists, it is not set to
Edit the etcd pod specification file
/etc/kubernetes/manifests/etcd.yaml on the master node and either remove the
--auto-tls parameter or set it to
Clients will not be able to use self-signed certificates for TLS.
--auto-tls is set to
Updated 12 days ago