PHP - Problem with PDO / mysqli connection over VPN

Question

I'm trying to create a connection to a local Database Server through a VPN connection first.

From the VPN connection I receive this IP for my network: 192.168.30.2

DB-Server: 192.168.40.150

If I try to ping the DB Server IP via PHP, I also get a response from the Server. When, however, I try to make the PDO connection or with "mysqli", I receive the following error:

lluminate \ Database \ QueryException: SQLSTATE [HY000] [1045] Access denied for user 'xxxx'@'192.168.30.2' (using password: YES) (SQL: select * from `xxxx`) in file

If I use a Mysql Client from my PC it's working fine!

Any idea?

Answer 1

SOLVED : the DB server required a SSL Connection (without Cert). These options was required in the PDO connection:

• PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT
• PDO::MYSQL_ATTR_SSL_CA

If you use Laravel Illuminate for the connection you need to declerate the options in the connection, example:

...
        'options' => extension_loaded('pdo_mysql') ? array_filter([
            PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT => env('MY_SSL_VERIFY', ' '),
            PDO::MYSQL_ATTR_SSL_CA => env('MY_SSL_CA', ' '),
        ]) : [],
...

In this case is really important to give a Value with empty space ' ' otherwise will the Illuminate PDO Connector not get the option values.