Selfhosted

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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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Connection to VPS only via VPN or SSH (feddit.de)

submitted 1 year ago by rmstyle@feddit.de to c/selfhosted@lemmy.world

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Hey guys,

I finally come around and started the journey of self-hosting and decided to get a VPS. After securing it, by making login via public-key default, I installed CasaOS and instantly regretted it since it now can be reached freely from the internet. A while ago, I read that you can limit the incoming connection to only VPN and ssh. And configured a Wireguard-VPN on the server via pivpn. But the server can still be reached from the internet. So what do I have to do now? Is it even the right choice, or am I missing something? How do you guys secure your VPS?

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[–] brewery@feddit.uk 7 points 1 year ago (4 children)

Before you go too far into it and spend lots of time, I think most VPS services let you installed a new OS on their admin site so you can start again from scratch. If you're not sure that is the right linux flavour, go for something else more mainstream so you can find lots of support online. Looking at the OS, I'm sure it might be good but I'm also sure you can install all the features very easily yourself, especially if it's just using docker mainly.

I second UFW. I found this guide useful: https://www.digitalocean.com/community/tutorials/ufw-essentials-common-firewall-rules-and-commands. You might want to try tailscale as others use it for easily setting up vpn access but not used it myself. Also go for fail2ban or, for more assurance but harder work, try crowdsec too.

You could also use cloudflare dns and add IP and/or country restrictions to block all traffic before it gets to your VPS. I have a country filter and it's crazy how many bots get blocked from all over!

[–] rmstyle@feddit.de 2 points 1 year ago

Thanks this is quite helpful!

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