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postgres-configuration-log-connections

Default Severity: medium

Explanation

Postgresql can generate logs for successful connections to improve visibility for audit and configuration issue resolution.

Possible Impact

No visibility of successful connections

Suggested Resolution

Enable connection logging

Insecure Example

The following example will fail the azure-database-postgres-configuration-log-connections check. 

 resource "azurerm_resource_group" "example" {
   name     = "example-resources"
   location = "West Europe"
 }

 resource "azurerm_postgresql_server" "example" {
   name                = "example-psqlserver"
   location            = azurerm_resource_group.example.location
   resource_group_name = azurerm_resource_group.example.name

   administrator_login          = "psqladminun"
   administrator_login_password = "H@Sh1CoR3!"

   sku_name   = "GP_Gen5_4"
   version    = "9.6"
   storage_mb = 640000
 }

Secure Example

The following example will pass the azure-database-postgres-configuration-log-connections check. 

 resource "azurerm_resource_group" "example" {
   name     = "example-resources"
   location = "West Europe"
 }

 resource "azurerm_postgresql_server" "example" {
   name                = "example-psqlserver"
   location            = azurerm_resource_group.example.location
   resource_group_name = azurerm_resource_group.example.name

   administrator_login          = "psqladminun"
   administrator_login_password = "H@Sh1CoR3!"

   sku_name   = "GP_Gen5_4"
   version    = "9.6"
   storage_mb = 640000
 }

 resource "azurerm_postgresql_configuration" "example" {
    name                = "log_connections"
    resource_group_name = azurerm_resource_group.example.name
    server_name         = azurerm_postgresql_server.example.name
    value               = "on"
   }