MySQL connection error: (# 2002) 'Connection refused'

Stack trace:
[ 0] __construct({Array( [dbHost] => 188.165.247.118 [dbUser] => ...})  @  /base/zfx/activex-tools/MGes.php[26]
[ 1] __construct()  @  /base/zfx/activex-tools/MGes.php[17]
[ 2] getInstance()  @  /base/zfx/activex-tools/MGes.php[93]
[ 3] getConnections(73501070QGCM)  @  /base/zfx/activex-tools/MGes.php[179]
[ 4] loadMasterConnection(master)  @  /controllers/abstract/ControllerBase.php[168]
[ 5] loadConnection()  @  /controllers/abstract/ControllerBase.php[69]
[ 6] __construct()  @  /controllers/abstract/PermissionBase.php[31]
[ 7] __construct(, )  @  /controllers/abstract/ScopeBase.php[35]
[ 8] __construct(, )  @  /controllers/abstract/PublicBase.php[45]
[ 9] __construct(index)  @  /modules/index/controllers/Index.php[21]
[10] __construct()  @  /index.php[189]