RewriteEngine on

RewriteRule ^feed/?$    /rss.php
RewriteRule ^posts/?$   /archives.php
RewriteRule ^post/(.*)$ /viewpost.php?post=$1

<Files "dopost.php">
	AuthType Basic
	AuthName "Secure"
	AuthUserFile /var/www/.htpasswd
	Require Valid-User
</Files>