About the packet server send to client after HandshakeResponse

[Lew Lubin]

After the client send HandshakeResponse to server, the server response a packet with length 2, it only contain `0x03 0x01` 2 bytes.

What is this packet ? I found nothing about it.


MySQL Protocol
Packet Length: 74
Packet Number: 0
Server Greeting
Protocol: 10
Version: 8.0.28
Thread ID: 234410
Salt: k\001\037[?Q9\022
Server Capabilities: 0xffff
Server Language: utf8mb4 COLLATE utf8mb4_0900_ai_ci (255)
Server Status: 0x0002
Extended Server Capabilities: 0xdfff
Authentication Plugin Length: 21
Unused: 00000000000000000000
Salt: m\tg`.-j\037L\026l\001
Authentication Plugin: caching_sha2_password

MySQL Protocol
Packet Length: 154
Packet Number: 1
Login Request
Client Capabilities: 0xa20d
Extended Client Capabilities: 0x003a
MAX Packet: 16777215
Charset: utf8 COLLATE utf8_general_ci (33)
Unused: 0000000000000000000000000000000000000000000000
Username: root
Password: xxxxxxxxxxxxxxxxxxxxxxxx
Schema: test
Client Auth Plugin: caching_sha2_password
Prefix: 56
Length: 56
Connection Attributes
Connection Attributes length: 56
Connection Attribute - _client_name: pymysql
Connection Attribute - _pid: 1280827
Connection Attribute - _client_version: 0.9.3

MySQL Protocol - authentication switch request
Packet Length: 2
Packet Number: 2
Auth Method Name: \001\003
Auth Method Data: <MISSING>