3.2.5 Processing Events and Sequencing Rules

When a server receives an EnumQuery request, the server SHOULD respond with an EnumResponse.

When a server receives a TRANS_COMMAND_CONNECT packet from a new client, the server SHOULD respond with a TRANS_COMMAND_CONNECT_ACCEPT packet and begin the sequence specified in section 3.1.5.1 or 3.1.5.2.