Log Insights: Connection Events

• C20: Connection received
• C21: Connection authorized
• C22: Authentication failed / pg_hba.conf rejects connection
• C23: Disconnection
• C24: Incomplete startup packet (client failed to connect)
• C25: Could not receive data from client / connection to client lost
• C26: EOF on client connection with an open transaction
• C27: Terminating connection due to administrator command
• C28: Remaining connection slots are reserved for superuser (out of connections)
• C29: Too many connections for role
• C30: Could not accept SSL connection
• C31: Unsupported frontend protocol
• C32: Incomplete message from client
• C33: Too many connections for database

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