The stuff towards the top eliminates the insecure keys your server will try to default to. No reason to keep them on the server (IMO) - they're primarily there

The stuff towards the top eliminates the insecure keys your server will try to default to. No reason to keep them on the server (IMO) - they're primarily there for backwards compatibility. I prefer to remove them entirely so I know my client/server won't ever negotiate an insecure connection.