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_d27cf7ed -C "wwwwrrrr222" msrs access issue-cert --env d27cf7ed-c266-48a9-bdb3-2eebf0cc4718 --pub ~/.ssh/msrs_d27cf7ed.pub ssh -i ~/.ssh/msrs_d27cf7ed -J jump.aws.msrs.internal support@wwwwrrrr222-node-1.stub.msrs.internal