允许通过C＃访问安装在Amazon EC2上的MySQL服务器

Question

I have installed a mysql server 5.5 on amazon EC2 machine. But cannot connect to it using C# using mysql-connecter-for-.net I used:

Hostname = IP Address of EC2 machine.
Port = 3306
username =
password = 

But, it fires up error: "The connection must be open and valid".

I can't find any tutorial over internet. Please guide.

Answer 1

You need to edit your EC2 instance's security group. Add a MySQL entry with specify IP address (0.0.0.0/32 will accept connection from any IP address).