this post was submitted on 28 Nov 2023
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forwarding port 22 safe? (alien.top)
submitted 11 months ago by [email protected] to c/[email protected]
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i want to remotely ssh to my home server, and I was wondering if I could just forward port 22 with disabling password login and use pubkey authentication will be safe enough?

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[–] [email protected] 1 points 11 months ago (2 children)

but you still have to expose something to connect to wireguard?

[–] [email protected] 1 points 11 months ago (1 children)

Of course. But it's just another layer to the onion. Pfblockerng, Crowdsec, Fail2Ban, wireguard....layers.

[–] [email protected] 1 points 11 months ago

but wouldn't you have to pay a performance penalty running ssh on top of wireguard.

[–] [email protected] 1 points 11 months ago (1 children)

The benefit of wireguard^ is it runs over udp and won't respond unless a peer with the right key hits it. ie a port scan won't reveal anything because there's no tcp port open to handshake, and wireguard won't respond to junk data coming in.

^ Most VPNs run over udp. But i'm not sure say OpenVPN will respond to random crap, it probably won't but i don't want to state categorically that it won't.

[–] [email protected] 1 points 11 months ago

thank you for the explanation.