1. a2enmod remoteip
  2. vim /etc/apache2/conf-available/remoteip.conf
<IfModule mod_remoteip.c>
    RemoteIPHeader X-Forwarded-For
    RemoteIPTrustedProxy 10.0.3.1
</IfModule>
  1. a2enconf remoteip
  2. systemctl restart apache2
  3. t /var/log/apache2/*.log
Tags
<VirtualHost *:80>
    DocumentRoot  /var/www/drupal/web/
    ServerName   DOM.TLD
    include        conf/drupal.conf
    # include        conf/awstatsauth.conf
    CustomLog    ${APACHE_LOG_DIR}/DOM.TLD_access.log combined
</VirtualHost>

/etc/apache2/apache2.conf

<Directory /var/www/>
    Options Indexes FollowSymLinks
    Allo
Tags

<VirtualHost *:80>
    DocumentRoot /var/www/owncloud/
    ServerName owncloud.TLD

    <Directory /var/www/owncloud/>
       Options +FollowSymlinks
       AllowOverride All
       Require all granted
         <IfModule mod_dav.c>
           Dav off
         </IfModule>
    </Directory>
</VirtualHost>

<VirtualHost *:80>
DocumentRoot    /usr/share/phpmyadmin
ServerName    phpmyadmin.bubuit.net

<Directory /usr/share/phpmyadmin>
   Options SymLinksIfOwnerMatch
   DirectoryIndex index.php

Tags