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How to Protect Your Web Application Against DDoS Attacks through Using Amazon Route 53 and an External Content Delivery Network

Distributed Denial of Service (DDoS) assaults are tries via a malicious actor to flood a network, gadget, or software with greater visitors, connections, or requests than it may control. To defend your web software closer to DDoS assaults, you can use AWS Shield, a DDoS safety service that AWS robotically gives to all AWS customers at no more value. You can use AWS Shield alongside side DDoS-resistant internet offerings at the side of Amazon CloudFront and Amazon Route fifty three to enhance your potential to guard in opposition to DDoS attacks. Learn more about structure for DDoS resiliency with the resource of analyzing the AWS Best Practices for DDoS Resiliency whitepaper.You also have the choice of the use of Route fifty 3 with an externally hosted content material delivery community (CDN). In this weblog submit, I show how you can assist protect the pinnacle area (additionally known as the premise area) of your web software program via using Route fifty three to perform cozy redirection to prevent discovery of the start of your application. .Background When surfing the Internet, a person would probable type instance.Com rather than www.Instance.Com. To make sure that these requests are routed effectively, it's far essential to create a set of Route 53 alias beneficial useful resource facts for the apex of the place. For instance.Com might be a hard and fast of alias useful resource records without a subdomain (www) described. With Route fifty three, you may use an alias useful resource document set to issue www or your vicinity apex immediately to a CloudFront distribution. Therefore, anyone resolving example. Com or will only see the CloudFront distribution. This makes it tough for a malicious actor to find and assault the deliver of your application. You can also use Route fifty three to route your surrender customers to a CDN out of doors of AWS. The CDN provider will require you to create a set of CNAME alias useful aid data to thing www.Instance.Com to the hostname of your CDN distribution. Unfortunately, it isn't always possible to point your location vertex with a CNAME alias useful resource report set due to the fact 1 / 4 vertex can't be a CNAME. Therefore, customers typing example.Com with out www will now not be routed to your internet utility until you factor the top of the box at once to the beginning of your software. The gain of a relaxed redirect from the pinnacle of the place to www is that it enables guard your starting place from direct attacks. Solution Overview The following answer diagram suggests the AWS offerings this solution makes use of and how it uses them. Diagram displaying how AWS offerings are used inside the solution in this textHere's how the method works: A consumer's browser sends a DNS query to Route fifty three.Route fifty 3 has a hosted sector for the instance.Com area. The hosted sector serves the document: If the request is for the apex area, the alias beneficial resource document set for the CloudFront distribution is served. If the request is for the www subdomain, the CNAME of the externally hosted CDN is brought.CloudFront forwards the request to Amazon S3. S3 plays a at ease redirect from instance.Com to www.Example.Com. Note: All solution steps on this weblog submit use example.Com because the region name. You should update this domain name along with your non-public domain name. AWS offerings used in this solution You will use 3 AWS services in this academic to create your CDN region shipping transfer to outside apex: Route fifty 3 – This article assumes you're already the usage of Route fifty 3 to path customers for your net application, supplying you with protection towards commonplace DDoS attacks, along with DNS question flooding. For extra records approximately migrating to Route fifty 3, see Getting Started with Amazon Route 53.