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+---
+layout: page
+title: "Apache Configuration"
+description: "Configure Apache to work with home assistant as a subdomain"
+date: 2016-06-20 13:05
+sidebar: true
+comments: false
+sharing: true
+footer: true
+ha_category: Infrastructure
+---
+
+This is an example about how you can configure Apache to act as a proxy for home assistant.
+
+This is useful if you want to have:
+* a subdomain redirecting to your home assistant instance
+* several subdomain for several instance
+* HTTPS redirection
+
+#### {% linkable_title Subdomain %}
+
+So you already have a working Apache server available at example.org.
+Your home assistant is correctly working on this web server and available at localhost:8123
+
+To be able to access to your home assistant instance by using https://home.example.org, add to following file into `/etc/httpd/conf/extra/hass.conf`
+
+```apacheconf
+<VirtualHost *:443>
+  ProxyPreserveHost On
+  ProxyRequests Off
+  ServerName home.example.org
+  ProxyPass / http://localhost:8123/
+  ProxyPassReverse / http://localhost:8123/
+</VirtualHost>
+```
+
+and make sure that this file is read by apache's main configiuration file `/etc/httpd/conf/httpd.conf`
+
+```apacheconf
+...
+Include conf/extra/hass.conf
+...
+```
+If you don't want HTTPS, you can change `<VirtualHost *:443>` to `<VirtualHost *:80>` or better consider redirecting all HTTP to HTTPS.
+
+
+#### {% linkable_title Multiple Instance %}
+
+You already have home assistant running on localhost:8123 and available at home.example.org as describe before.
+The configuration file for this home assistant is available in `/home/alice/.homeassistant/configuration.yaml`
+
+You want another instance available at https://countryside.example.org
+
+You can either :
+* Create a new user, `bob`, to hold the configuration file in `/home/bob/.homeassistant/configuration.yaml` and run home assistant as this new user
+* Create another configuration directory in `/home/alice/.homeassistan2/configuration.yaml` and run home assistant using `hass --config /home/alice/.homeassistant2/`
+
+In both solution, change port number used by modifying `configuration.yaml`
+
+```yaml
+http:
+  server_port: 8124
+  ...
+```
+
+Start home assistant: Now, you have another instance running on localhost:8124
+
+To access this instance by using https://countryside.example.org add to `/etc/httpd/conf/extra/hass.conf`
+
+```apacheconf
+<VirtualHost *:443>
+  ProxyPreserveHost On
+  ProxyRequests Off
+  ServerName countryside.example.org
+  ProxyPass / http://localhost:8124/
+  ProxyPassReverse / http://localhost:8124/
+</VirtualHost>
+```
+
+#### {% linkable_title HTTP to HTTPS redirection %}
+
+Add to your `/etc/httpd/conf/extra/hass.conf`
+
+```apacheconf
+<VirtualHost *:80>
+  ServerName example.org
+  ServerSignature Off
+
+  RewriteEngine on
+  RewriteCond %{HTTPS} !=on
+  RewriteRule .* https://%{SERVER_NAME}%{REQUEST_URI} [NE,R,L]
+</VirtualHost>
+```