http://m.mysite.com/login/ открывается 404-page
.htaccess :
RewriteEngine on
RewriteCond %{HTTP_HOST} ^m\.mysite\.com$ [OR]
RewriteCond %{HTTP_HOST} ^www\.m\.mysite\.com$
RewriteRule ^.htaccess$ - [F]
RewriteBase /m.mysite.com/
RewriteCond %{HTTP_HOST} ^http://m.mysite.com/$
RewriteRule ^(.*)$ http://m.mysite.com/$1 [R=301,L]
RewriteRule ^login/$ index.php?c=login [L]
RewriteRule ^page/([0-9]+)/$ ?page=$1 [L]
RewriteRule ^online/$ index.php?c=online [L]