RewriteEngine On 

#RewriteCond %{HTTP:HTTP-X-FORWARDED-PROTO} https
#RewriteCond %{REQUEST_URI} login
#RewriteRule ^ https://web.williams.edu/messages/testing/ssl.php [R,L]
RewriteCond %{HTTP:X-Forwarded-Proto} !https
RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [R,L]
#RewriteRule ^(.*)$ https://web.williams.edu/messages/testing/$1 [R,L]

# Force Daily Messages to HTTPS
#RewriteCond %{SERVER_PORT} 80
#RewriteCond %{REQUEST_URI} ^messages.*
#RewriteRule ^(.*)$ https://web.williams.edu/messages$1 [R=301,L]
