aws.firewall

AWS Network Firewall

https://docs.aws.amazon.com/network-firewall/latest/developerguide/what-is-aws-network-firewall.html

Filters

• config-compliance

• event

• finding

• json-diff

• list-item

• logging-config

• marked-for-op

• ops-item

• reduce

• subnet

• value

• vpc

json-diff

Compute the diff from the current resource to a previous version.

A resource matches the filter if a diff exists between the current resource and the selected revision.

Utilizes config as a resource revision database.

Revisions can be selected by date, against the previous version, and against a locked version (requires use of is-locked filter).

properties:
  selector:
    enum:
    - previous
    - date
    - locked
  selector_value:
    type: string
  type:
    enum:
    - json-diff
required:
- type

Permissions - config:GetResourceConfigHistory

Actions

• auto-tag-user

• copy-related-tag

• delete

• invoke-lambda

• invoke-sfn

• mark-for-op

• notify

• post-finding

• post-item

• put-metric

• remove-tag

• rename-tag

• tag

• update-delete-protection

• update-logging-config

• webhook

delete

Delete a network firewall

example:

policies:
  - name: network-firewall-delete
    resource: aws.firewall
    actions:
      - type: delete

properties:
  force:
    default: false
    type: boolean
  type:
    enum:
    - delete
required:
- type

Permissions - network-firewall:DeleteFirewall

rename-tag

Rename an existing tag key to a new value.

example:

rename Application, and Bap to App, if a resource has both of the old keys then we’ll use the value specified by Application, which is based on the order of values of old_keys.

policies:
- name: rename-tags-example
  resource: aws.log-group
  filters:
    - or:
      - "tag:Bap": present
      - "tag:Application": present
  actions:
    - type: rename-tag
      old_keys: [Application, Bap]
      new_key: App

properties:
  new_key:
    type: string
  old_key:
    type: string
  old_keys:
    items:
      type: string
    type: array
  type:
    enum:
    - rename-tag
required:
- type

Permissions - tag:TagResources, tag:UntagResources

update-delete-protection

Enable/disable network firewall delete protection.

properties:
  state:
    type: boolean
  type:
    enum:
    - update-delete-protection
required:
- type

Permissions - network-firewall:UpdateFirewallDeleteProtection

update-logging-config

Update network firewall logging configuration.

https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/network-firewall/client/update_logging_configuration.html

example:

policies:
  - name: set-network-firewall-logging
    resource: firewall
    actions:
      - type: update-logging-config
        enabled: True
        LoggingConfiguration:
          LogDestinationConfigs:
            - LogDestination:
                bucketName: c7n-firewall-logging
              LogType: ALERT
              LogDestinationType: S3

  - name: delete-network-firewall-logging
    resource: firewall
    actions:
      - type: update-logging-config
        enabled: False

properties:
  LoggingConfiguration:
    type: object
  enabled:
    type: boolean
  type:
    enum:
    - update-logging-config

Permissions - network-firewall:UpdateLoggingConfiguration