SSH certificate access (recommended)
Issue a short-lived SSH certificate for this environment and connect through jump host.
ssh-keygen -t ed25519 -f ~/.ssh/msrs_9f80f5bb -C "01293" msrs access issue-cert --env 9f80f5bb-f75d-41fa-b1f5-a8f5dc0bbc74 --pub ~/.ssh/msrs_9f80f5bb.pub ssh -i ~/.ssh/msrs_9f80f5bb -J jump.aws.msrs.internal support@01293-node-1.stub.msrs.internal