I have a 3 node cluster with 1 master and 2 data nodes.
SSL/TSL has been setup by getting organization signed certificate.
When i seperate the nodes within the cluster by assigning different cluster names and starting the elastic search. ES runs fine.
xpack.ssl.certificate_authorities: [ "/usr/share/elasticsearch/bin/x-pack/certificate_ca.crt" ]
But when i rejoin the nodes with the same cluster name i get the attached