Options -Indexes 
ErrorDocument 404 /404.php
<IfModule mod_php5.c>
  php_flag allow_call_time_pass_reference 1
  php_flag session.use_trans_sid off
</IfModule>
<IfModule mod_rewrite.c>
  Options +FollowSymLinks
  RewriteEngine On
  RewriteBase /
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_URI} !(.*)/$
  RewriteRule ^(.*[^/])$ $1/ [L,R=301]
  RewriteCond %{HTTP_HOST} ^www\.(.*) [NC]
  RewriteRule ^(.*)$ 
Для просмотра ссылки Войди или Зарегистрируйся [R=301,L]
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-l
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !/bitrix/urlrewrite.php$
  RewriteRule ^(.*)$ /bitrix/urlrewrite.php [L]
</IfModule>
<IfModule mod_dir.c>
  DirectoryIndex index.php index.html
</IfModule>
<IfModule mod_expires.c>
  ExpiresActive on
  ExpiresByType image/jpeg "access plus 3 day"
  ExpiresByType image/gif "access plus 3 day"
</IfModule>