SETUP REVERSE PROXY FOR KIBANA ON APACHE

$ sudo apt-get install libapache2-mod-proxy-html
$ sudo a2enmod proxy
$ sudo a2enmod proxy_http

$ sudo nano /etc/apache2/sites-available/kibana.conf
PUT INTO FILE
<VirtualHost *:80>
ServerName kibana.mysite.com
ServerAdmin admin@mysite.com
ProxyRequests Off
<Proxy *>
    Order Allow,Deny
    Allow from all
    AuthType Basic
    AuthName "Authenticated proxy"
    AuthUserFile /etc/apache2/kibana.htpwd
    Require valid-user
</Proxy>
  ProxyPass / http://127.0.0.1:5601/
  ProxyPassReverse / http://127.0.0.1:5601/
  ErrorLog ${APACHE_LOG_DIR}/kibana_error.log
  LogLevel warn
  CustomLog ${APACHE_LOG_DIR}/kibana_access.log combined
</VirtualHost>

GENERATE PASSWORD
$ sudo htpasswd -c /etc/apache2/kibana.htpwd <user_name>

ENABLE KIBANA
$ sudo a2ensite kibana.conf

RESTART APACHE
$ sudo service apache2 reload