Homepage
About Snyk

Logging metric filter and alert for network firewall rule changes should be configured Affecting Cloud Platform service in Google

Severity

0.0
medium
0
10
    Severity Framework
    Snyk CCSS
    Rule category
    Logging / Logging

Is your enviroment affected by this misconfiguration?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
    Frameworks
    CIS-Google HIPAA ISO-27001 NIST-800-53 PCI-DSS SOC-2
  • Snyk ID SNYK-CC-00437
  • credit Snyk Research Team
Report a new misconfiguration Found a mistake?

Description

Logging metric filter and alert for network firewall rule changes should be configured. Create or Update Firewall rule events indicate network access changes. Configuring a metric filter and alert for these changes may reduce the time it takes to detect suspicious activity.

How to fix?

Logging metric filter and alert for network firewall rule changes should be configured.

Example Configuration

resource "google_logging_metric" "logging_metric_437" {
  name   = "logging_metric_437"
  filter = " resource.type=\"gce_firewall_rule\" AND protoPayload.methodName:\"compute.firewalls.patch\" OR protoPayload.methodName:\"compute.firewalls.insert\""

  metric_descriptor {
    value_type  = "INT64"
    metric_kind = "DELTA"
  }
}

resource "google_monitoring_alert_policy" "alert_policy" {
  depends_on   = [google_logging_metric.logging_metric_437]
  display_name = "Alert Policy"
  combiner     = "OR"
  conditions {
    display_name = "condition"
    condition_threshold {
      filter     = "resource.type=\"global\" metric.type=\"logging.googleapis.com/user/logging_metric_437\""
      duration   = "60s"
      comparison = "COMPARISON_GT"
    }
  }
}