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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

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How safe is self-hosting a public website behind Cloudflare? (feddit.uk)

submitted 2 years ago* (last edited 2 years ago) by TedZanzibar@feddit.uk to c/selfhosted@lemmy.world

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I work in tech and am constantly finding solutions to problems, often on other people's tech blogs, that I think "I should write that down somewhere" and, well, I want to actually start doing that, but I don't want to pay someone else to host it.

I have a Synology NAS, a sweet domain name, and familiarity with both Docker and Cloudflare tunnels. Would I be opening myself up to a world of hurt if I hosted a publicly available website on my NAS using [insert simple blogging platform], in a Docker container and behind some sort of Cloudflare protection?

In theory that's enough levels of protection and isolation but I don't know enough about it to not be paranoid about everything getting popped and providing access to the wider NAS as a whole.

Update: Thanks for the replies, everyone, they've been really helpful and somewhat reassuring. I think I'm going to have a look at Github and Cloudflare's pages as my first port of call for my needs.

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[–] 7Sea_Sailor@lemmy.dbzer0.com 5 points 2 years ago* (last edited 2 years ago) (3 children)

Change the ssh port to something with 4-5 digits, disable ssh password Auth and use certificates only, don't expose any port other than ssh and 443.

If you're paranoid, use cloudflare as a proxy and set the VPS firewall to only accept incoming traffic from cloudflares ip list.

That's about it really.

[–] chiisana@lemmy.chiisana.net 6 points 2 years ago* (last edited 2 years ago)

Changing port is security by obscurity and it doesn’t take much time for botnets to scan all of IPV4 space on all ports. See for example the ever updated list that’s available on Shodan.

Disable password login and use certificates as you’ve suggested already, add fail2ban to block random drive-bys, and you’re off to the races.

[–] CoopaLoopa@lemmy.dbzer0.com 3 points 2 years ago

The Oracle Cloud VPS only has SSH key authentication enabled by default. You can also set it to only allow SSH from your home IP in the virtual firewall before the machine is ever spun up.

Their current free ARM offering is 1 machine with 4-cores and 24gb RAM for life. You can also add another 2 AMD machines with 1-core and 1gb RAM and still be in their free-tier.

If you're going to set it up and take advantage of the ARM machine, make sure you pick a home location for your account that has multiple availability zones. San Fran right now only has 1 zone, so if the shared ARM instances are all used up, you'll have to wait a few days and try again. Phoenix I think has 3, so you can try with another zone right away.

[–] gaylord_fartmaster@lemmy.world 1 points 2 years ago

I guess I'm extremely paranoid then, my home IP doesn't change much and I just expose the port only to it from Oracle's site. I rarely touch mine though.