It's defense is n depth. I used both obscure ports AND strong passwords or keys. Whether we like it or not, in practice the obscure ports stop a ton of drive

It's defense is n depth. I used both obscure ports AND strong passwords or keys. Whether we like it or not, in practice the obscure ports stop a ton of drive by bots. Even if you are using a keys, the obscure ports stops the bot with a 0day exploit from getting in.