Securing a directory on Apache with Digest Authentication

<Directory>
       Options FollowSymLinks
       AllowOverride None
       #authentification
       AuthType Digest
       AuthName "munin"
       AuthDigestFile /var/www/munin/.htpasswd
       #people using apache 2.2 will use instead:
       #AuthUserFile  /var/www/munin/.htpasswd
       require valid-user
</Directory>

sudo htdigest -c /var/www/dirname/.htpasswd realmname username