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Questions tagged [amazon-waf]

AWS WAF is a web application firewall service that monitors web requests for Amazon CloudFront distributions and restricts access to content. Use AWS WAF to block or allow requests based on conditions, such as the IP addresses that requests originate from or values in the requests.

Documentation: https://aws.amazon.com/documentation/waf/

258 questions
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How can I implement a AWS WAF rule to restrict access of api gateway to the users of other accounts?

I need to write a WAF rule such that access to API gateway is blocked for the users of other AWS accounts. for now, I'm exploring the implementation of WAF but I have managed to create CfnWebCl with a rule statement to be ipSetReferenceStatement…
Jawad
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Dynamically create multiple WAF rules with Terraform

I've got a piece of Terraform code that creates a Web ACL with a set of rules in AWS. provider "aws" { region = "eu-west-2" } resource "aws_wafv2_web_acl" "foo" { name = "foo" description = "foo" scope = "REGIONAL" …
Hammed
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How can I test using WAF to protect API Gateway RestAPI from SQL injection contained in request payload?

I've created a few resources in AWS in an attempt to create MRE showcasing how the WAF can be used to prevent malicious requests from being sent to an API Gateway RestAPI. Ive created S3 Bucket Kinesis Data Firehose WAF Web ACL API Gateway…
Judy007
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AWS WAF not blocking traffic from blocked IPs

Here's the web ACL definition I'm using in json format. I'm blocking all traffic by default, then added 1 rule to allow traffic from a small range of IPs { "Name": "app-*-WebACL", "Id": "fbb1f8f1-d78b-42de-8ebf-*", "ARN":…
RaGe
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Is it possible to use AWS WAF to block users behind a NAT

I am trying to place AWS WAF behind a NAT gateway to block some specific users. The image below explains exactly what I want to achieve.
Shammir
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AWS::WAFv2::WebACLAssociation ResourceArn for Application Load Balancer in CloudFormation

I have a CloudFormation template which creates an ElasticBeanstalk environment like this: "ApplicationEnvironment": { "Type": "AWS::ElasticBeanstalk::Environment", "Properties": { "ApplicationName": { …
Steven
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Can Aws Rate limit be disabled only on specific ip?

In the AWS ACLs console, we are using a rule that limits the maximum number of API requests. There were times when I had to make a request from my other server to a server that was restricted. Just in case, I want to disable this restriction only…
oijafoijf asnjksdjn
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Using Athena to get terminatingrule from rulegrouplist in AWS WAF logs

I followed these instructions to get my AWS WAF data into an Athena table. I would like to query the data to find the latest requests with an action of BLOCK. This query works: SELECT from_unixtime(timestamp / 1000e0) AS date, action, …
F_SO_K
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Specify Allowed IPs for WAF Admin Rule

I just set up a WAF for my Elastic Beanstalk load balancer. One of the rules I added was this one: AWS-AWSManagedRulesAdminProtectionRuleSet Which only allows certain IPs to access the admin page of my elastic beanstalk app (/admin). How can I set…
user13486660
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Is it possible to change 403 error page on AWS WAF v2?

I'm using AWS WAF v2 and ALB for geoblocking, the setup was done and can block the specific country. but is it possible to change the 403 error page on AWS WAF v2 ? currently it's plain text in the middle said 403 Forbidden. Thank you
Alex Chandra
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AWS WAFV2: ACL Rule for allowing access to specific URI Path

I have some web acl managed rules in AWS ELB that are blocking webhooks from Pusher api. They don't provide an IP list that I could include in a white list. I'm trying to create my own rule to allow access to this specific URI…
Éder Rocha
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How to integrate a large blacklist with AWS WAF

I'm following this example to filter incoming traffic from IP address ranges in a JSON file, using AWS WAF. The WAF file size-limit is 10,000 entries, and there is a max capacity of 500 WAF rules. I would like to block a very large number of IP…
Paul Mooney
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GEO block on AWS WAF but sometimes Country header is missing

We're consuming AWS WAF logs into Athena from S3 to facilitate custom queries. One of the rules I have applied is a geo block on the country level as it's a local service. This morning we had some reports of some user being blocked, from within our…
Trev
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Creation of CfnWebACL for rate based rule fails (AWS CDK WAF Regional)

I am trying to setup a rate based rule using AWS CDK (@aws-cdk/aws-wafregional v1.4.0). This is my very simple JavaScript-setup: const cdk = require('@aws-cdk/core'); const waf = require('@aws-cdk/aws-wafregional'); class TstStack extends…
wassgren
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Ability to whitelist AWS Lambda function with WAF or run Lambda in a VPC

I am creating a status page using LambStatus https://lambstatus.github.io/ and would like to have the status of components update automatically via cloudwatch alarms. I have to limit traffic to the status page. I currently only have traffic…
Spikerr
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