Proxying Proxmox With Apache?

Eile_Kerning · Aug 26, 2021

Hi, I'm trying to proxy proxmox with apache to my website as a subdirectory, as I cannot create a subdomain. Is there any way to do this? I'm new to apache so I am unsure of how to do this myself. I've used ProxyPass and Proxypassreverse but many parts of the web interface are broken.

Republicus · Aug 27, 2021

It's been a while since I worked on this config and I'm looking at just one of my vhosts files that I used to get my apache reverse proxy setup for PVE. I think the following is an example of my best working vhost config for PVE in an apache reverse proxy:

Code:

# LOCAL/VPN PROXMOX
<VirtualHost *:443>
ServerName domain.com

       <Location />
        # ALLOWED IP/SUBNETS
        Require ip 192.168.1.0/24
        Require ip 10.10.0.0/24
       </Location>

       <Proxy *>
        Order deny,allow
        Allow from all
       </Proxy>

ServerAlias proxmox.domain.com

RequestHeader set X-Forwarded-Proto https
RequestHeader set X-Forwarded-Proto expr=%{REQUEST_SCHEME}

SSLEngine On
SSLProxyEngine On
SSLCertificateFile /path/to/certificate/domain.com.cer
SSLCertificateKeyFile /path/to/key/domain.com.key
SSLProxyVerify none
SSLProxyCheckPeerCN off
SSLProxyCheckPeerName off
SSLProxyCheckPeerExpire off

ProxyRequests Off
ProxyPreserveHost On
        <Location />
            ProxyPass https://192.168.1.100:8006/
            ProxyPassReverse https://192.168.1.100:8006/
        </Location>

        <LocationMatch ^/(api2/json/nodes/[^\/]+/[^\/]+/[^\/]+/vncwebsocket.*)$>
            ProxyPass wss://192.168.1.100:8006/$1 retry=0
        </LocationMatch>

        <Location /websockify>
            ProxyPass ws://192.168.1.100:8006
            ProxyPassReverse ws://192.168.1.100:8006
        </Location>

</VirtualHost>

Eile_Kerning · Sep 18, 2021

Republicus said:

It's been a while since I worked on this config and I'm looking at just one of my vhosts files that I used to get my apache reverse proxy setup for PVE. I think the following is an example of my best working vhost config for PVE in an apache reverse proxy:

Code:

# LOCAL/VPN PROXMOX
<VirtualHost *:443>
ServerName domain.com

       <Location />
        # ALLOWED IP/SUBNETS
        Require ip 192.168.1.0/24
        Require ip 10.10.0.0/24
       </Location>

       <Proxy *>
        Order deny,allow
        Allow from all
       </Proxy>

ServerAlias proxmox.domain.com

RequestHeader set X-Forwarded-Proto https
RequestHeader set X-Forwarded-Proto expr=%{REQUEST_SCHEME}

SSLEngine On
SSLProxyEngine On
SSLCertificateFile /path/to/certificate/domain.com.cer
SSLCertificateKeyFile /path/to/key/domain.com.key
SSLProxyVerify none
SSLProxyCheckPeerCN off
SSLProxyCheckPeerName off
SSLProxyCheckPeerExpire off

ProxyRequests Off
ProxyPreserveHost On
        <Location />
            ProxyPass https://192.168.1.100:8006/
            ProxyPassReverse https://192.168.1.100:8006/
        </Location>

        <LocationMatch ^/(api2/json/nodes/[^\/]+/[^\/]+/[^\/]+/vncwebsocket.*)$>
            ProxyPass wss://192.168.1.100:8006/$1 retry=0
        </LocationMatch>

        <Location /websockify>
            ProxyPass ws://192.168.1.100:8006
            ProxyPassReverse ws://192.168.1.100:8006
        </Location>

</VirtualHost>

Whoops! I completely forgot I made this post, sorry. That seems like a great config, unfortunately, the issue is that only works on a subdomain. I can't create a subdomain so everything for me has to be in a subdirectory, which ends up screwing up the requests for everything, as it's looking for files at $Website.com/pve2 instead of $Website.com/proxmox/pve2

pikzigmar · Jan 5, 2023

Hello, I have been trying various configs and they work, to some degree. Does anyone have a config where consoles/shell would be accessible trough reverse proxy?

I have tried:

Code:

<VirtualHost *:443>

  ServerName prox.atsome.where
  ServerAdmin my@mail.com

  RequestHeader unset Accept-Encoding

    ProxyRequests         Off
    ProxyPreserveHost     On
    SSLProxyEngine         On
    SSLProxyVerify        none
    SSLProxyCheckPeerCN    off
    SSLProxyCheckPeerExpire    off

  ErrorLog ${APACHE_LOG_DIR}/prox-error.log
  CustomLog ${APACHE_LOG_DIR}/prox-access.log combined

  SSLEngine on
  SSLCertificateFile /certbot/fullchain.pem
  SSLCertificateKeyFile /certbot/privkey.pem

  ProxyPreserveHost On
  ProxyPass / https://X.Y.Z.10:8006/
  ProxyPassReverse / https://X.Y.Z.10:8006/

  RewriteEngine on
  RewriteCond %{HTTP:Upgrade} websocket [NC]
  RewriteCond %{HTTP:Connection} upgrade [NC]
  RewriteRule ^/?(.*) "wss://prox.atsome.where:8006/$1" [P,L]


        <LocationMatch ^/(api2/json/nodes/[^\/]+/[^\/]+/[^\/]+/vncwebsocket.*)$>
            ProxyPass wss://X.Y.Z.10:8006/$1 retry=0
        </LocationMatch>

        <Location /websockify>
            ProxyPass ws://X.Y.Z.10:8006
            ProxyPassReverse ws://X.Y.Z.10:8006
        </Location>


</VirtualHost>

Code:

<VirtualHost *:443>

  ErrorLog ${APACHE_LOG_DIR}/prox-error.log
  CustomLog ${APACHE_LOG_DIR}/prox-access.log combined

ServerAlias prox.atsome.where

RequestHeader set X-Forwarded-Proto https
RequestHeader set X-Forwarded-Proto expr=%{REQUEST_SCHEME}

SSLEngine On
SSLProxyEngine On
SSLCertificateFile /certbot/fullchain.pem
SSLCertificateKeyFile /certbot/privkey.pem
SSLProxyVerify none
SSLProxyCheckPeerCN off
SSLProxyCheckPeerName off
SSLProxyCheckPeerExpire off

ProxyRequests Off
ProxyPreserveHost On
        <Location />
            ProxyPass https://X.Y.Z.10:8006/
            ProxyPassReverse https://X.Y.Z.10:8006/
        </Location>

        <LocationMatch ^/(api2/json/nodes/[^\/]+/[^\/]+/[^\/]+/vncwebsocket.*)$>
            ProxyPass wss://X.Y.Z.10/$1 retry=0
        </LocationMatch>

        <Location /websockify>
            ProxyPass ws://X.Y.Z.10:8006
            ProxyPassReverse ws://X.Y.Z.10:8006
        </Location>

</VirtualHost>

No matter how I do it I cannot access consoles. Only port going inside network is 443 (to reverse proxy). I do not want to open port 8006. Any idea what am I doing wrong or how to do it?

EDIT: ProxMox task:
TASK ERROR: connection timed out

UdoB · Jan 5, 2023

Sorry, no Apache here: I am using nginx for a generic entry to my cluster with round-robin.

The documentation I followed is this: https://www.jamescoyle.net/how-to/1...gui-with-nginx-over-https-with-load-balancing and there is also a version for Apache linked - from the same guy, so I would expect it to work also.

Perhaps you can find a hint there. Good luck.

gratuxri · Jan 5, 2023

please try to replace ws:// with wss://

pikzigmar · Jan 5, 2023

UdoB: I looked at config from jamescoyle but it looks like a very basic reverse proxy. I think that this part works fine for me, as GUI is accessible. (https://www.jamescoyle.net/how-to/923-reverse-proxy-proxmox-with-apache)

gratuxri: Tried changing ws to wss in both configs I posted, but no changes. GUI works but VNC/shells are timing out.

pikzigmar · Jan 10, 2023

I am still having trouble with this, if anyone is willing to help or share config for apache2 reverse proxy I would be very thankful

teclab-at · Sep 30, 2023

Edit the file /etc/apache2/sites-enabled/000-default.conf:

Code:

<VirtualHost *:80>
        Redirect "/" "https://yourservername/"
        ErrorLog ${APACHE_LOG_DIR}/error.log
        CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

<VirtualHost *:443>
        SSLEngine on
        SSLProxyEngine on
        SSLCertificateFile /etc/pve/nodes/pve/pve-ssl.pem
        SSLCertificateKeyFile /etc/pve/nodes/pve/pve-ssl.key
        ProxyPass / https://localhost:8006/
        ProxyPassReverse / https://localhost:8006/
        <LocationMatch ^/(api2/json/nodes/[^\/]+/[^\/]+/[^\/]+/vncwebsocket.*)$>
                ProxyPass wss://localhost:8006/$1 retry=0
        </LocationMatch>
        <Location /websockify>
                ProxyPass ws://localhost:8006
                ProxyPassReverse ws://localhost:8006
        </Location>
        ErrorLog ${APACHE_LOG_DIR}/error.log
        CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

In the above config, we are forwarding requests on port 80 to port 443 (https). The SSL certificates are the same as used from the PVE web-gui.
Take care! The folder /etc/pve/nodes/pve might be named different on your machine, depending on your node name.
Also replace the https://yourservername/ with the correct domain name of your server.

With ProxyPass[Reverse] we are transparently routing traffic to/from port 8006.

The folder /etc/pve/nodes/pve does not exist until PVE is up and running, thus Apache service will fail to start, unless you configure a systemd dependency.

Edit the file /etc/systemd/system/multi-user.target.wants/apache2.service and put pveproxy.service into the After= line:

Code:

After=network.target remote-fs.target nss-lookup.target pveproxy.service

If you have not done so, enable these modules on Apache:

Code:

a2enmod proxy
a2enmod ssl

Finally restart Apache:

Code:

systemctl deamon-reload
systemctl restart

Edit: Got noVNC working because of this post: https://forum.proxmox.com/threads/working-novnc-with-reverse-proxy-on-5-1.43644/

fredkruger · Mar 21, 2024

Republicus said:

It's been a while since I worked on this config and I'm looking at just one of my vhosts files that I used to get my apache reverse proxy setup for PVE. I think the following is an example of my best working vhost config for PVE in an apache reverse proxy:

Code:

# LOCAL/VPN PROXMOX
<VirtualHost *:443>
ServerName domain.com

       <Location />
        # ALLOWED IP/SUBNETS
        Require ip 192.168.1.0/24
        Require ip 10.10.0.0/24
       </Location>

       <Proxy *>
        Order deny,allow
        Allow from all
       </Proxy>

ServerAlias proxmox.domain.com

RequestHeader set X-Forwarded-Proto https
RequestHeader set X-Forwarded-Proto expr=%{REQUEST_SCHEME}

SSLEngine On
SSLProxyEngine On
SSLCertificateFile /path/to/certificate/domain.com.cer
SSLCertificateKeyFile /path/to/key/domain.com.key
SSLProxyVerify none
SSLProxyCheckPeerCN off
SSLProxyCheckPeerName off
SSLProxyCheckPeerExpire off

ProxyRequests Off
ProxyPreserveHost On
        <Location />
            ProxyPass https://192.168.1.100:8006/
            ProxyPassReverse https://192.168.1.100:8006/
        </Location>

        <LocationMatch ^/(api2/json/nodes/[^\/]+/[^\/]+/[^\/]+/vncwebsocket.*)$>
            ProxyPass wss://192.168.1.100:8006/$1 retry=0
        </LocationMatch>

        <Location /websockify>
            ProxyPass ws://192.168.1.100:8006
            ProxyPassReverse ws://192.168.1.100:8006
        </Location>

</VirtualHost>

GREAT!! Worked like a charm for me!!!

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Proxying Proxmox With Apache?

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