I have a problem with connect to DB instance of AWS after I config that:
http://www.test.htmlcssworld.com/CDN/rds-dashboard.png
I already add this DB instanc
A couple of things to check
On a side note, I would strongly discourage to make your database publicly available on the internet. In an ideal world, your database must have only a private IP address and must be available only from your app servers. Should you really need to be able to access your database from the Internet, your Security Group should be restricted to a /32 IP address