My issue is that many of my remote desktop apps require knowing the IP adress of the other PC. I’m looking for a VPN that auto-discovers other devices on the same network. That way I could just “ssh” into the same IP every time, because it would be IP inside of a virtual network. Ideally I am looking a solution that does not require internet connection.

Thanks.

Edit: I should probably specify my usecase. I have a portable desktop and use VNC from a laptop to connect to it. To do that I need the IP of the desktop but that’s different on a different network. This can be solved by using hostname.local as the “IP”. (hostname is the “ubuntu” in “bob@ubuntu$:~/Documents”) The solution is quite simple, I just haven’t known about it.

15 points

I don’t think you need a VPN here since you’re using an already secure protocol. Sounds like you’re mostly wanting a static IP address. You can configure the local router to hand out static IPs. Local DNS works too.

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0 points

Static IPs are not a thing in most countries. You need an overlay network or dynamic DNS like NoIP.

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9 points

Static IPs handed out by your local router are not dependent on having a static IP from your ISP. You do not need one to have the other. You can always have static IPs on your local network.

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2 points

Ah okay but is that useful in many cases? Only when you are home.

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8 points
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4 points

Thanks, it does indeed work. I guess I’ll add a wireguard tunnel so that I won’t have to bother with the “do you trust the fingerprint?” every time I’m on a different network or when the IP changes.

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6 points
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2 points

Actually I want to use the wireguard tunnel regardless because right now I am tunneling VNC through SSH, which is laggy because it’s TCP. But thanks either way.

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8 points

DNS hostnames

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1 point

I don’t want to be mean but searching “DNS hostnames” just gives generic AI generated “DNS explained” articles. This answer is helpful only if you already know that mDNS exists.

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3 points

Sorry was busy but wanted to make the comment at least earlier. I think .local is specific to mDNS, but using just the hostname (ie; mypcname) should work as well.

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7 points

couldnt you use device / hostname instead?

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1 point
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Unfortunately the router at my gf’s house does not resolve the hostname, so no. Though thanks for the suggestion, I feel kinda stupid for not trying that.

Edit: I’m a noob. Solved by adding “.local” suffix after the hostname.

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6 points

You can configure wireguard to achieve this solution.

You can always enable mDNS/DNS-SD (aka zeroconf) protocol as well

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2 points

Thanks, I did not know about mDNS. I will use this.

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