get-firewall-config¶

Description¶

Retrieves the configuration of the firewall behavior provided by DNS Firewall for a single VPC from Amazon Virtual Private Cloud (Amazon VPC).

Synopsis¶

  get-firewall-config
--resource-id <value>
[--cli-input-json | --cli-input-yaml]
[--generate-cli-skeleton <value>]

Options¶

--resource-id (string)

The ID of the VPC from Amazon VPC that the configuration is for.

--cli-input-json | --cli-input-yaml (string) Reads arguments from the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, those values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally. This may not be specified along with --cli-input-yaml.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. Similarly, if provided yaml-input it will print a sample input YAML that can be used with --cli-input-yaml. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command. The generated JSON skeleton is not stable between versions of the AWS CLI and there are no backwards compatibility guarantees in the JSON skeleton generated.

See ‘aws help’ for descriptions of global parameters.

Examples¶

Note

To use the following examples, you must have the AWS CLI installed and configured. See the Getting started guide in the AWS CLI User Guide for more information.

Unless otherwise stated, all examples have unix-like quotation rules. These examples will need to be adapted to your terminal’s quoting rules. See Using quotation marks with strings in the AWS CLI User Guide .

To get a firewall config for a VPC

The following get-firewall-config example retrieves the DNS Firewall behavior for the specified VPC.

aws route53resolver get-firewall-config \
    --resource-id vpc-31e92222

Output:

{
    "FirewallConfig": {
        "Id": "rslvr-fc-86016850cexample",
        "ResourceId": "vpc-31e9222",
        "OwnerId": "123456789012",
        "FirewallFailOpen": "DISABLED"
    }
}

For more information, see DNS Firewall VPC configuration in the Amazon Route 53 Developer Guide.

Output¶

FirewallConfig -> (structure)

Configuration of the firewall behavior provided by DNS Firewall for a single VPC from AmazonVPC.

Id -> (string)

The ID of the firewall configuration.

ResourceId -> (string)

The ID of the VPC that this firewall configuration applies to.

OwnerId -> (string)

The Amazon Web Services account ID of the owner of the VPC that this firewall configuration applies to.

FirewallFailOpen -> (string)

Determines how DNS Firewall operates during failures, for example when all traffic that is sent to DNS Firewall fails to receive a reply.

By default, fail open is disabled, which means the failure mode is closed. This approach favors security over availability. DNS Firewall returns a failure error when it is unable to properly evaluate a query.

If you enable this option, the failure mode is open. This approach favors availability over security. DNS Firewall allows queries to proceed if it is unable to properly evaluate them.

This behavior is only enforced for VPCs that have at least one DNS Firewall rule group association.

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