restrict_fw_rules_ssh_world_open.yaml

#
# Copyright 2019 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
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apiVersion: constraints.gatekeeper.sh/v1alpha1
kind: GCPRestrictedFirewallRulesConstraintV1
metadata:
  name: restrict-firewall-rule-ssh-world-open
  annotations:
    bundles.validator.forsetisecurity.org/scorecard-v1: security
    bundles.validator.forsetisecurity.org/cis-v1.1: 3.06
    description: Checks for open firewall rules allowing SSH from the internet.
spec:
  severity: high
  match:
    ancestries:
    - "organizations/**"
  parameters:
    rules:
    - direction: "INGRESS"
      source_ranges:
      - "0.0.0.0/0"
      port: "22"
      protocol: "tcp"
      enabled: "true"
      rule_type: "allowed"