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Immediately, we’re saying the overall availability of the AWS WAF integration with AWS Amplify Internet hosting.
Internet software house owners are consistently working to guard their purposes from quite a lot of threats. Beforehand, should you needed to implement a strong safety posture to your Amplify Hosted purposes, you wanted to create architectures utilizing Amazon CloudFront distributions with AWS WAF safety, which required extra configuration steps, experience, and administration overhead.
With the overall availability of AWS WAF in Amplify Internet hosting, now you can straight connect an online software firewall to your AWS Amplify apps via a one-click integration within the Amplify console or utilizing infrastructure as code (IaC). This integration offers you entry to the total vary of AWS WAF capabilities together with managed guidelines, which offer safety in opposition to frequent internet exploits and vulnerabilities like SQL injection and cross-site scripting (XSS). You can even create your personal customized guidelines based mostly in your particular software wants.
This new functionality helps you implement defense-in-depth safety methods to your internet purposes. You may make the most of AWS WAF rate-based guidelines to guard in opposition to distributed denial of service (DDoS) assaults by limiting the speed of requests from IP addresses. Moreover, you’ll be able to implement geo-blocking to limit entry to your purposes from particular nations, which is especially invaluable in case your service is designed for particular geographic areas.
Let’s see the way it works
Establishing AWS WAF safety to your Amplify app is simple. From the Amplify console, navigate to your app settings, choose the Firewall tab, and select the predefined guidelines you wish to apply to your configuration. 
Amplify internet hosting simplifies configuring firewall guidelines. You may activate 4 classes of safety.
- Amplify-recommended firewall safety – Shield in opposition to the most typical vulnerabilities present in internet purposes, block IP addresses from potential threats based mostly on Amazon inner risk intelligence, and shield in opposition to malicious actors discovering software vulnerabilities.
- Prohibit entry to amplifyapp.com – Prohibit entry to the default Amplify generated amplifyapp.com area. That is helpful once you add a customized area to stop bots and serps from crawling the area.
- Allow IP handle safety – Prohibit internet site visitors by permitting or blocking requests from specified IP handle ranges.
- Allow nation safety – Prohibit entry based mostly on particular nations.
Protections enabled via the Amplify console will create an underlying internet entry management record (ACL) in your AWS account. For fine-grained rulesets, you should use the AWS WAF console rule builder.
After a couple of minutes, the foundations are related to your app and AWS WAF blocks suspicious requests.
If you wish to see AWS WAF in motion, you’ll be able to simulate an assault and monitor it utilizing the AWS WAF request inspection capabilities. For instance, you’ll be able to ship a request with an empty Consumer-Agent worth. It would set off a blocking rule in AWS WAF.
Let’s first ship a legitimate request to my app.
curl -v -H "Consumer-Agent: MyUserAgent" https://important.d3sk5bt8rx6f9y.amplifyapp.com/
* Host important.d3sk5bt8rx6f9y.amplifyapp.com:443 was resolved.
...(redacted for brevity)...
> GET / HTTP/2
> Host: important.d3sk5bt8rx6f9y.amplifyapp.com
> Settle for: */*
> Consumer-Agent: MyUserAgent
>
* Request utterly despatched off
< HTTP/2 200
< content-type: textual content/html
< content-length: 0
< date: Mon, 10 Mar 2025 14:45:26 GMT
We are able to observe that the server returned an HTTP 200 (OK) message.
Then, ship a request with no worth related to the Consumer-Agent HTTP header.
curl -v -H "Consumer-Agent: " https://important.d3sk5bt8rx6f9y.amplifyapp.com/
* Host important.d3sk5bt8rx6f9y.amplifyapp.com:443 was resolved.
... (redacted for brevity) ...
> GET / HTTP/2
> Host: important.d3sk5bt8rx6f9y.amplifyapp.com
> Settle for: */*
>
* Request utterly despatched off
< HTTP/2 403
< server: CloudFront
... (redacted for brevity) ...
<TITLE>ERROR: The request couldn't be glad</TITLE>
</HEAD><BODY>
<H1>403 ERROR</H1>
<H2>The request couldn't be glad.</H2>We are able to observe that the server returned an HTTP 403 (Forbidden) message.
AWS WAF present visibility into request patterns, serving to you fine-tune your safety settings over time. You may entry logs via Amplify Internet hosting or the AWS WAF console to investigate site visitors tendencies and refine safety guidelines as wanted.
Availability and pricing
Firewall help is obtainable in all AWS Areas wherein Amplify Internet hosting operates. This integration falls below an AWS WAF international useful resource, just like Amazon CloudFront. Internet ACLs might be hooked up to a number of Amplify Internet hosting apps, however they have to reside in the identical Area.
The pricing for this integration follows the usual AWS WAF pricing mannequin, You pay for the AWS WAF assets you utilize based mostly on the variety of internet ACLs, guidelines, and requests. On prime of that, AWS Amplify Internet hosting provides $15/month once you connect an online software firewall to your software. That is prorated by the hour.
This new functionality brings enterprise-grade safety features to all Amplify Internet hosting prospects, from particular person builders to giant enterprises. Now you can construct, host, and shield your internet purposes inside the identical service, lowering the complexity of your structure and streamlining your safety administration.
To study extra, go to the AWS WAF integration documentation for Amplify or attempt it straight within the Amplify console.
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