Connection and Authentication configuration Parameters in Greenplum

Connection and Authentication Parameters: These parameters control how clients connect and authenticate to Greenplum Database. 

1. gp_vmem_idle_resource_timeout

2. listen_addresses

3. max_connections

4. max_prepared_transactions

5. superuser_reserved_connections

6. tcp_keepalives_count

7. tcp_keepalives_idle

8. tcp_keepalives_interval

9. unix_socket_directory

10. unix_socket_group

11. unix_socket_permissions