Keep Drupal log clean

htaccess

<IfModule mod_rewrite.c>
  RewriteEngine on
  
    # Redirect botnet scans to Apache 403
    #
    # WordPress login/admin pages 
    RewriteCond %{REQUEST_URI} ^(.*)/wp-admin$ [OR]
    RewriteCond %{REQUEST_URI} ^(.*)/wp-login\.php$ [OR]
    # Drupal pages 
    RewriteCond %{QUERY_STRING} ^q=(node/add|user/register)$ [OR]
    RewriteCond %{REQUEST_URI} ^(.*)/node/add$ [OR]
    RewriteCond %{REQUEST_URI} ^(.*)/user/register$ [OR]
    RewriteCond %{REQUEST_URI} ^(.*)/install\.php$ [OR]
    RewriteCond %{REQUEST_URI} ^(.*)/update\.php$ [OR]
    # Joomla! admin pages
    RewriteCond %{REQUEST_URI} ^(.*)/administrator/(.*)$ [NC,OR]
    # CKeditor
    RewriteCond %{REQUEST_URI} ^/kcfinder/(.*)$ [NC,OR]
    RewriteCond %{REQUEST_URI} ^/ckeditor/(.*)$ [NC,OR]
    RewriteCond %{REQUEST_URI} ^/fckeditor/(.*)$ [NC,OR]
    RewriteCond %{REQUEST_URI} ^/administration/(.*)$ [NC,OR]  
    RewriteCond %{REQUEST_URI} ^/admin/fckeditor/(.*)$ [NC,OR]
    RewriteCond %{REQUEST_URI} ^/manage/(.*)$ [NC,OR]
    RewriteCond %{REQUEST_URI} ^/editor/(.*)$ [NC,OR]
    RewriteCond %{REQUEST_URI} ^/includes/(.*)$ [NC,OR]
    # Other
    RewriteCond %{REQUEST_URI} ^(.*)admin.php$
    RewriteRule ^(.*)$ - [F,L]
    
    # Block all txt files except robots.txt
    <FilesMatch "\.txt$">
      Order Allow,Deny
      Deny from all
    </FilesMatch>
    <FilesMatch "robots.txt$">
      Order Allow,Deny
      Allow from all
    </FilesMatch>
    
    # Serve favicon and Safari touch icons[1] from site theme folder
    # [1] https://mathiasbynens.be/notes/touch-icons
    RewriteCond %{HTTP_HOST} ^www\.domain\.com [NC]
    RewriteRule ^(favicon\.ico|apple-touch-icon.*\.png)$ /sites/all/themes/name/img/browser-icons/$1 [R=301,L]
	
</IfModule>