- Warning
 - Deprecated. Newer servers should never send this since they don't support Old Password Authentication and they support CLIENT_PLUGIN_AUTH. Newer clients should not support it since they should not support Old Password Authentication. and they should support CLIENT_PLUGIN_AUTH.
 
Old Authentication Method Switch Request Packet consisting of a single 0xfe byte. It is sent by server to request client to switch to Old Password Authentication if CLIENT_PLUGIN_AUTH capability flag is not supported (by either the client or the server).
Payload
| Type | Name | Description  | 
| int<1>  | 0xFE (254)  | status tag  | 
- Returns
 - Protocol::AuthSwitchResponse: with an Old Password Authentication hash or closing the connection.
 
- See also
 - client_mpvio_read_packet()