What steps should be taken to allow external access to a database on a different server?

To allow external access to a database on a different server, you need to configure the database server to allow remote connections, set up user permissions for the remote user, and update your PHP code to connect to the remote database server. 

<?php
$servername = "remote_server_ip";
$username = "remote_username";
$password = "remote_password";
$dbname = "remote_database";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}
echo "Connected successfully";
?>

Keywords

PHP database external access server security

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