Question

I want to make connection between my database on the server,that located on the internet and my application that runs on some client.
My application based on .Net framework and i using MySql Connector for .Net component.
After some searches i gain the server address for the server by execute php command below :

echo $_SERVER['SERVER_ADDR'];

And this command returns : 67.225.166.81
I can connect to database with php when the php files runs on the server.
I used the values for connection in my .Net win app and this is the connection string :

string connStr = "server=67.225.166.81;port=3306;database=navayeme_joomfa;user id=navayeme;password=*****;";

The win app trying to make connection and an exception thrown :
Authentication to host ‘67.225.166.81’ for user ‘navayeme@myclientIP’ failed …
The myclientIP is ip of my client.
How can i fix this problem?Is possible the server doesn’t support for this type of connection?

Answer 1

Using MySQL database together with a php script run on the same server does not mean that you can connect to the MySQL database from another network. PHP runs without a problem because it can make connection to the MySQL server on server using either

• regular TCP connection (locally)
• UNIX socket files

Please check that MySQL accepts connections on port 3306. If firewall is used, please make sure that 3306 is allowed for incoming connection.