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Current, most up-to-date guide on creating a VPS tunnel.
(lemmygrad.ml)
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this post was submitted on 15 Aug 2023
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So here is a question: does it need to be a sub domain? Can't I redirect all traffic to the VPS? If I wanted to host a HTML website at my root domain and have it served by nginx for example, couldn't I do that?
I just see subdomain mentioned in the guides / tools I see but I don't understand why exactly.
Hey, it definitely doesn’t have to be just a subdomain. You can have a record for example.com point to your VPS’s IP at the same time you have www.example.com, nextcloud.example.com, and jellyfin.example.com. Have as many services and domains as you like and the reverse proxy will direct the traffic to the correct local server based on the domain name.
One way you can do this flexibly is to have two records in your DNS: an A record pointing example.com to your VPS and a CNAME pointing *.example.com to example.com. That way, any subdomain will go to your VPS and you only have to add new services in the reverse proxy.
Doesn’t have to be a subdomain, but just good practice for hostnames to be a subdomain because hostnames generally represents a named server (subdomain) within an organization (domain). Also it makes things easier if you add additional servers in the future to just assign another hostname to the new server.
I usually do:
domain.ext- leave open, not used.servername.domain.ext- A records in DNS pointing to servers’ public addresses; (i.e.servera.domain.ext. A 10.0.0.123;serverb.domain.ext. A 10.0.0.234; etc.)service.domain.ext- CNAME to the server it is on (i.e.auth.domain.ext. CNAME servera.domain.extThis way it is super quick for me to move entire server to different provider (update A record) or move service to another server (update CNAME record) when I need to shuffle things around.
If you’re running a public facing website, you could always CNAME your
wwwand@(or whatever your DNS provider uses to represent root domain) to your server specific A record entry.It's funny, when you explain it, my IT hat goes on and I totally get it lol. I guess the context felt different enough that I didn't get it. But I work with Windows domains all day and that's exactly how DNS operates in that environment.
Ultimately I think for a tunnel you'll end up with your records pointing to your VPS. So you'll have a
*.domain.tldCNAME record and maybe a @ CNAME record and your nginx server on the other end of the tunnel would handle the routing.