Update canto_443.conf - testing Kim Rutherford's suggestion

apache_config/canto_443.conf

@@ -25,7 +25,7 @@
 		</Directory>
 
 		# Tweak headers
-		# RequestHeader set X-Forwarded-Port 443
+		RequestHeader set X-Forwarded-Port 443
 		# Header always set Access-Control-Allow-Origin "*"
   		# Header always set Access-Control-Allow-Methods "OPTIONS, GET"
   		# Header always set Access-Control-Max-Age "5000"