:
SetEnvIf User-Agent ^Amazon Cloudfront$ cdn
SetEnvIf Host ^static.dev.website.com$ cdn # This could also be a cloudfront.net host
AuthType Basic
AuthName "Dev Site"
AuthUserFile /directory/location/.htpasswd
Require valid-user
Order Deny,Allow
Deny from all
Allow from env=cdn
Satisfy Any
, , CloudFront, , Allow from env=cdn.