RewriteEngine on
DirectoryIndex Portal.html

RewriteEngine On
RewriteCond %{HTTP_HOST} ^mscaspian.com$
RewriteRule (.*) http://www.mscaspian.com/$1 [R=301,L]

RewriteCond %{HTTP_REFERER} !^http://mscaspian.com/.*$      [NC]
RewriteCond %{HTTP_REFERER} !^http://mscaspian.com$      [NC]
RewriteCond %{HTTP_REFERER} !^http://www.mscaspian.com/.*$      [NC]
RewriteCond %{HTTP_REFERER} !^http://www.mscaspian.com$      [NC]
RewriteRule .*.(jpg|jpeg|gif|png|bmp)$ http://www.mscaspian.com [R,NC]

ErrorDocument 404 /404.html

<IfModule mod_rewrite.c>
 RewriteEngine On
  RewriteBase /fa/
 RewriteRule ^index.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
 RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /fa/index.php [L]