Are listed Linux Distribution Images for New Droplet Secured or Hardened?

Are listed Linux Distribution Images for New Droplet secured or hardened in anyway? All but a few ports are blocked by default?

If not, is there a tutorial or walkthrough to lock a new distro install down?

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Yes, I’d love some “certified” hardened Digital Ocean droplets. As @david464337 mentioned, Linode has some really good resources for configuring. However, I worry about my own skills in this regard. So, I’d pay extra for something that some real experts have put together.

NOTE : I would be less likely to trust something done with the general public even under open source. I’d prefer DO produce something.

No, but you have complete control over the server (you can install IP tables, etc.). There are a lot of resources on this site, see the Articles and Tutorials section on Security. I hate to plug the competition but the Linode Library is excellent and a bit more organized than what is available here. A good start -