this post was submitted on 10 Sep 2023
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To mitigate the effort to maintain my personal server, I am considering to only expose ssh port to the outside and use its socks proxy to reach other services. is Portknocking enough to reduce surface of attack to the minimum?

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[–] SheeEttin@lemmy.world 8 points 1 year ago (1 children)

I would only expose a VPN and use that to access the other services.

[–] lemmyvore@feddit.nl 8 points 1 year ago (2 children)

Why? There's no downside to ssh, if anything it's easier to set up.

[–] Morgikan@lemm.ee 3 points 1 year ago* (last edited 1 year ago)

A VPN would give you access to a network, but not necessarily the devices on that network. It adds another layer of security as the user not only has to have SSH credentials/keys, but they also have to have the same for the VPN. SSH and VPNs would really be used in conjunction with each other.

It's onion security.

[–] SheeEttin@lemmy.world 1 points 1 year ago

If you only want to provide ssh access to one host, sure. If you want to provide other services, on multiple hosts, then you're either making it a jump box or a proxy, while a VPN would provide direct access (or at least as defined in the firewall and routing rules).