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@aws-solutions-constructs/aws-wafwebacl-cloudfront

v2.9.0

Published

CDK constructs for defining an AWS web WAF connected to Amazon CloudFront.

Downloads

615

Readme

aws-wafwebacl-cloudfront module


Stability: Experimental

All classes are under active development and subject to non-backward compatible changes or removal in any future version. These are not subject to the Semantic Versioning model. This means that while you may use them, you may need to update your source code when upgrading to a newer version of this package.


| Reference Documentation:| https://docs.aws.amazon.com/solutions/latest/constructs/| |:-------------|:-------------|

| Language | Package | |:-------------|-----------------| |Python Logo Python|aws_solutions_constructs.aws_wafwebacl_cloudfront| |Typescript Logo Typescript|@aws-solutions-constructs/aws-wafwebacl-cloudfront| |Java Logo Java|software.amazon.awsconstructs.services.wafwebaclcloudfront|

Overview

This AWS Solutions Construct implements an AWS WAF web ACL connected to Amazon CloudFront.

Here is a minimal deployable pattern definition:

Typescript

import { Construct } from 'constructs';
import { Stack, StackProps } from 'aws-cdk-lib';
import { CloudFrontToS3 } from '@aws-solutions-constructs/aws-cloudfront-s3';
import { WafwebaclToCloudFront } from "@aws-solutions-constructs/aws-wafwebacl-cloudfront";

const cloudfrontToS3 = new CloudFrontToS3(this, 'test-cloudfront-s3', {});

// This construct can only be attached to a configured CloudFront.
new WafwebaclToCloudFront(this, 'test-wafwebacl-cloudfront', {
    existingCloudFrontWebDistribution: cloudfrontToS3.cloudFrontWebDistribution
});

Python

from aws_solutions_constructs.aws_cloudfront_s3 import CloudFrontToS3
from aws_solutions_constructs.aws_wafwebacl_cloudfront import WafwebaclToCloudFront
from aws_cdk import Stack
from constructs import Construct

cloudfront_to_s3 = CloudFrontToS3(self, 'test_cloudfront_s3')

# This construct can only be attached to a configured CloudFront.
WafwebaclToCloudFront(self, 'test_wafwebacl_cloudfront',
                      existing_cloud_front_web_distribution=cloudfront_to_s3.cloud_front_web_distribution
                      )

Java

import software.constructs.Construct;

import software.amazon.awscdk.Stack;
import software.amazon.awscdk.StackProps;
import software.amazon.awsconstructs.services.cloudfronts3.*;
import software.amazon.awsconstructs.services.wafwebaclcloudfront.*;

final CloudFrontToS3 cloudfrontToS3 = new CloudFrontToS3(this, "test-cloudfront-s3",
        new CloudFrontToS3Props.Builder()
                .build());

// This construct can only be attached to a configured CloudFront.
new WafwebaclToCloudFront(this, "test-wafwebacl-cloudfront", new WafwebaclToCloudFrontProps.Builder()
        .existingCloudFrontWebDistribution(cloudfrontToS3.getCloudFrontWebDistribution())
        .build());

Pattern Construct Props

| Name | Type | Description | |:-------------|:----------------|-----------------| |existingCloudFrontWebDistribution|cloudfront.Distribution|The existing CloudFront instance that will be protected with the WAF web ACL. Note that a WAF web ACL can only be added to a configured CloudFront, so this construct only accepts an existing CloudFrontWebDistribution and does not accept cloudfrontProps.| |existingWebaclObj?|waf.CfnWebACL|Existing instance of a WAF web ACL, an error will occur if this and props is set.| |webaclProps?|waf.CfnWebACLProps|Optional user-provided props to override the default props for the AWS WAF web ACL. To use a different collection of managed rule sets, specify a new rules property. Use our wrapManagedRuleSet(managedGroupName: string, vendorName: string, priority: number) function from core to create an array entry from each desired managed rule set.|

Pattern Properties

| Name | Type | Description | |:-------------|:----------------|-----------------| |webacl|waf.CfnWebACL|Returns an instance of the waf.CfnWebACL created by the construct.| |cloudFrontWebDistribution|cloudfront.Distribution|Returns an instance of cloudfront.Distribution created by the construct.|

Default settings

Out of the box implementation of the Construct without any override will set the following defaults:

AWS WAF

  • Deploy a WAF web ACL with 7 AWS managed rule groups.

    • AWSManagedRulesBotControlRuleSet
    • AWSManagedRulesKnownBadInputsRuleSet
    • AWSManagedRulesCommonRuleSet
    • AWSManagedRulesAnonymousIpList
    • AWSManagedRulesAmazonIpReputationList
    • AWSManagedRulesAdminProtectionRuleSet
    • AWSManagedRulesSQLiRuleSet

    Note that the default rules can be replaced by specifying the rules property of CfnWebACLProps

  • Send metrics to Amazon CloudWatch

Amazon CloudFront

  • User provided CloudFront object is used as-is

Architecture

Architecture Diagram


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