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_83405901 -C "poi123" msrs access issue-cert --env 83405901-4387-499f-af2f-58f57ad493e3 --pub ~/.ssh/msrs_83405901.pub ssh -i ~/.ssh/msrs_83405901 -J jump.aws.msrs.internal support@poi123-wan01-node-001.stub.msrs.internal