I know i am a bit late ^^
BUT ^^
You can also turn MD5 on or off if flux/config/servers.php (UseMD5 = False or True)
// Login server configuration.
'LoginServer' => array(
'Address' => '127.0.0.1',
'Port' => 6900,
'UseMD5' => false,
'NoCase' => true, // rA account case-sensitivity; Default: Case-INsensitive (true).
'GroupID' => 0, // Default account group ID during registration.
//'Database' => 'ragnarok'
),