Function app logging is disabled Affecting App Service (Web Apps) service in Azure
Severity Framework
CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Snyk CCSS
Rule category
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
Logging/ Configuration
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CIS-ControlsHIPAAISO-27001NIST-800-53SOC-2
- Snyk IDSNYK-CC-00497
- creditSnyk Research Team
Description
Audit records may not be available during investigation.
How to fix?
Set properties.detailedErrorMessages and properties.failedRequestsTracing attributes to true.
Set enable_builtin_logging (azurerm_function_app) or builtin_logging_enabled (azurerm_linux_function_app and azurerm_windows_function_app) to true.
Example Configuration
resource "azurerm_function_app" "allowed1" {
name = "fafordeflinux"
location = azurerm_resource_group.example497a.location
resource_group_name = azurerm_resource_group.example497a.name
app_service_plan_id = azurerm_app_service_plan.defaultasp1.id
storage_account_name = azurerm_storage_account.examplesa.name
storage_account_access_key = azurerm_storage_account.examplesa.primary_access_key
os_type = "linux"
enable_builtin_logging = true
}
resource "azurerm_linux_function_app" "allowed2" {
name = "examplelinfunapp"
resource_group_name = azurerm_resource_group.example497a.name
location = azurerm_resource_group.example497a.location
storage_account_name = azurerm_storage_account.examplesa.name
storage_account_access_key = azurerm_storage_account.examplesa.primary_access_key
service_plan_id = azurerm_service_plan.linasp.id
builtin_logging_enabled = true
site_config {
}
}
resource "azurerm_windows_function_app" "allowed3" {
name = "examplewinfunapp"
resource_group_name = azurerm_resource_group.example497a.name
location = azurerm_resource_group.example497a.location
storage_account_name = azurerm_storage_account.examplesa.name
storage_account_access_key = azurerm_storage_account.examplesa.primary_access_key
service_plan_id = azurerm_service_plan.winasp.id
builtin_logging_enabled = true
site_config {
}
}