SNI-like routing

Cyril Servant cyril.servant at cea.fr
Fri Sep 23 18:05:35 AEST 2022


Hi,

Le 21/09/2022 à 22:59, Carl Karsten a écrit :
> The goal is to host 4 or 5 websites for friends. all low traffic, so a
> single box should be fine. 16 cores, 32g ram, 1 nic, 1 public IP.
> hostname: prox
> 
> each site gets a VM, created manually, (they all get debian) add
> friends ssh keys and let them ssh in and do whatever they want in
> their vm.  and be able to ansible over ssh like ansible does.
> 
> hostnames vm1, vm2... friends all manage their own domain name
> register / dns, point their www's at my IP.
> 
> I would like to keep ports all standard: 22 for ssh, 80/443 for
> http/s, etc. and route to the VM based on hostname.
> 
> ssh user at prox gets the host, ssh user at vm1 gets vm1. curl http://vm1 gets vm1.
> 
> There are lots of ways to do this, I'm trying to work out a config
> that makes it easy on their end.

you can use sshproxy which I'm maintaining 
: https://github.com/cea-hpc/sshproxy
With sshproxy's routing system, you can proxy each user to its 
respective VM, without them having a shell on the gateway.

> 
> Telling them all to use ProxyJump isn't out of the question, but I'm
> hoping there are other options.
> 
> I don't mind a separate solution for ssh and http.  like for http I
> can run an nginx on the public IP with
> 
>   server_name vm1;
>    location / { proxy_pass http://10.0.0.1;
> 

-- 
Cyril


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