Vulnerabilities
Misconfiguration
Runtime Security
Compliance
Google > Compute >

No Public Egress

CRITICAL
Source
Trivy
ID
AVD-GCP-0035
terraform

An outbound firewall rule allows traffic to /0.

Opening up ports to connect out to the public internet is generally to be avoided. You should restrict access to IP addresses or ranges that are explicitly required where possible.

Impact

Follow the appropriate remediation steps below to resolve the issue.

Set a more restrictive cidr range

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resource "google_compute_firewall" "good_example" {
  direction = "EGRESS"
  allow {
    protocol = "icmp"
  }
  destination_ranges = ["1.2.3.4/32"]
}
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