How to install UniFi Controller with Let's Encrypt SSL and Apache Proxy

January 6, 2017 in Ubiquiti Unifi Controller Apache Let's Encrypt
https://rchase.com/static/img/unifi-controller.png

Overview

This is a guide to obtain a free SSL (Let’s Encrypt) for UniFi Controller running on port 443 rather than the default port 8443. This method uses an Apache reverse proxy rather than dealing with trying to change Ubiquiti’s built in SSL and port configuraiton, which I had difficulty with. Credit to unizac for this method.

Debian 8 Instructions

Update Debian

sudo apt-get update -y
sudo apt-get upgrade -y

Install Unifi Controller

echo "deb http://www.ubnt.com/downloads/unifi/debian unifi5 ubiquiti" > /etc/apt/sources.list.d/ubnt.list 
apt-key adv --keyserver keyserver.ubuntu.com --recv C0A52C50
apt-get update -y
apt-get install unifi -y

Install Let’s Encrypt certbot

echo 'deb http://ftp.debian.org/debian jessie-backports main' | sudo tee /etc/apt/sources.list.d/backports.list
sudo apt-get update
sudo apt-get install python-certbot-apache -t jessie-backports

Run the Certbot wizard

certbot --apache

Add cronjob to auto renew cert every Monday at 2:30am

sudo crontab -e
30 2 * * 1 /usr/bin/certbot renew >> /var/log/le-renew.log

Configure Apache

Add modules to Apache for Proxying HTTP/HTTPS to 8080 and 8443

mkdir /var/www/unifi
a2enmod proxy
a2enmod proxy_http
a2enmod proxy_wstunnel

Edit 000-default.conf

nano /etc/apache2/sites-enabled/000-default.conf

Example of 000-default.conf, change unifi.yourdomain.com to your site

<VirtualHost *:80>
    # The ServerName directive sets the request scheme, hostname and port that
    # the server uses to identify itself. This is used when creating
    # redirection URLs. In the context of virtual hosts, the ServerName
    # specifies what hostname must appear in the request's Host: header to
    # match this virtual host. For the default virtual host (this file) this
    # value is not decisive as it is used as a last resort host regardless.
    # However, you must set it for any further virtual host explicitly.
    ServerName unifi.yourdomain.com

    ServerAdmin [email protected]
    DocumentRoot /var/www/unifi

    # Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
    # error, crit, alert, emerg.
    # It is also possible to configure the loglevel for particular
    # modules, e.g.
    #LogLevel info ssl:warn

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

    # For most configuration files from conf-available/, which are
    # enabled or disabled at a global level, it is possible to
    # include a line for only one particular virtual host. For example the
    # following line enables the CGI configuration for this host only
    # after it has been globally disabled with "a2disconf".
    #Include conf-available/serve-cgi-bin.conf

    <Directory /var/www/unifi>
        Options None
        AllowOverride None
        Require all granted
    </Directory>
</VirtualHost>

Edit 000-default-le-ssl.conf

nano /etc/apache2/sites-enabled/000-default-le-ssl.conf

Example of 000-default-le-ssl.conf, change unifi.yourdomain.com to your site

<IfModule mod_ssl.c>
<VirtualHost *:443>
    # The ServerName directive sets the request scheme, hostname and port that
    # the server uses to identify itself. This is used when creating
    # redirection URLs. In the context of virtual hosts, the ServerName
    # specifies what hostname must appear in the request's Host: header to
    # match this virtual host. For the default virtual host (this file) this
    # value is not decisive as it is used as a last resort host regardless.
    # However, you must set it for any further virtual host explicitly.
    ServerName unifi.yourdomain.com

    ServerAdmin [email protected]
    DocumentRoot /var/www/unifi
    SSLProxyEngine On
    SSLProxyCheckPeerCN off
    SSLProxyCheckPeerName off
    ProxyPreserveHost On
    ProxyPass /wss wss://localhost:8443/wss
    ProxyPassReverse /wss wss://localhost:8443/wss
    ProxyPass / https://localhost:8443/
    ProxyPassReverse / https://localhost:8443/

    # Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
    # error, crit, alert, emerg.
    # It is also possible to configure the loglevel for particular
    # modules, e.g.
    #LogLevel info ssl:warn

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

    # For most configuration files from conf-available/, which are
    # enabled or disabled at a global level, it is possible to
    # include a line for only one particular virtual host. For example the
    # following line enables the CGI configuration for this host only
    # after it has been globally disabled with "a2disconf".
    #Include conf-available/serve-cgi-bin.conf


SSLCertificateFile /etc/letsencrypt/live/unifi.example.com/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/unifi.example.com/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf


</VirtualHost>

</IfModule>

Update Unifi Controller to latest version

sudo apt-get update
sudo apt-get upgrade

Restart Apache for changes to take effect

service apache2 restart

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