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Connection to VPS only via VPN or SSH
(feddit.de)
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this post was submitted on 17 Sep 2023
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You can set up firewall rules that limit connections to certain ports. For example, you can disallow connections to everything but port 22 (which ssh runs on) to only allow access to the ssh server from outside. Same with VPN.
Read up on ufw (or iptables if you want to do it lower level and have a drink on hand).
@notepass@feddit.de @rmstyle@feddit.de Also, you can change the SSH port to something not 22. Some guide here. To connect to SSH, just use
ssh -p PORT site.comYou can, but you should configure your server in a way that this shouldn't be a security feature of your setup (e.g. key-auth as OP did). It does help to cut back on uninvited guests a lot tho.