Security through obscurity is useless. I have heard people repeat this for the last 20 years. They are wrong and they have no idea what they are talking about. They just parrot what others say. Like chaos it perpetuates itself.

We camouflage tanks. We build stealth fighters. If obscurity had zero value, we'd just paint the tanks bright pink with hot orange flames and drop all the stealth research too. No need to sneak around. Obscurity is useless right?

Hide from the bear and it might not find and eat you. Move your ssh port and your logs will have less idiots out there filling them up. That fact alone is worth changing ports.

Obscurity has its place along side other tactics. And when you put it all together, you'll have a more secure system.

So please cut the "Security through obscurity" crap.