Apache2 - Subdomain to port -> forwarding

Question

Okay, I'm at a certain point where I feel a huge amount of stupidity on myself because of reading hundreds of manual and instruction pages and still not getting it. I hope you can help me!

I have a server running Ubuntu Server. On the server I'm running ddclient for updating my IP with dyn.com. There I have a domain "rasterkomplex.net" which points to the updated IP. Easy.

There is also a camera connected to the server which runs it's own webserver @ port 3360.

When I'm now entering: rasterkomplex.net:3360 - voilà. But now comes 2 minecraft server running simultaneously on 5001 and 5002. For every mc-server, there's the dynmap-plugins which runs also a webserver on different port. And then a webstorage on... you get it? I don't want to remember like 8 or more ports, just for accessing the related service.

What I want to accomplish:

cam.rasterwerks.net -> internal to 127.0.0.1:3360
mc1.rasterwerks.net -> internal to 127.0.0.1:5001
mc2.rasterwerks.net -> internal to 127.0.0.2:5002
etc. etc. etc.

I read a lot about VHosts, ProxyPass etc. But I'm not able to manage it getting work.

Can you give me a direction how to accomplish this? If it has to do with VHosts, maybe a sample?

Thank you very very much for your time!

Regards,

Elias.

Answer 1

You can do it with apache on one hand with ProxyPass of mod_proxy redirecting you here or there, or, what you also can do is install haproxy. Then, based on the Host in the URL that's being requested pass the request to one or another web storage.

An example config of haproxy doing exactly that would be:

frontend public
bind        X.X.X.X:80
mode        http
log         global
option      httplog
option      dontlognull
option      httpclose
maxconn     8000
clitimeout  90000

reqisetbe   ^Host:\ .*hudson    hudson

backend hudson
    mode            http
    balance         roundrobin
    contimeout      120000
    srvtimeout      120000
    redispatch
    retries         5
    server          internal.host.com Y.Y.Y.Y:8080 check inter 1000

So in this example, haproxy is bound to port 80 and when URL that's requested contains *.hudson, it gets redirected to an internal.host.com with IP of Y.Y.Y.Y to port 8080.

Now, for the apache based solution.

You can define multiple VHosts, with different names, each of them containing the following.

To do name-based vhosting, your apache config should contain:

NameVirtualHost *

Then, the vhost itself, should be:

<Virtualhost *>
  DocumentRoot "/var/www/somewhere"
  ServerName localhost
  ServerAdmin [email protected]
  DirectoryIndex index.html index.php
  ProxyRequests On
  ProxyPreserveHost On
  ProxyVia full

  <proxy>
    Order deny,allow
    Allow from all
  </proxy>

  ProxyPass        /  http://somehost:1234/
  ProxyPassReverse /  http://somehost:1234/
</Virtualhost>

Feel free to choose whatever solution seems more viable to you.