AWS Security Blog

Category: Amazon Route 53

Protect your remote workforce by using a managed DNS firewall and network firewall

More of our customers are adopting flexible work-from-home and remote work strategies that use virtual desktop solutions, such as Amazon WorkSpaces and Amazon AppStream 2.0, to deliver their user applications. Securing these workloads benefits from a layered approach, and this post focuses on protecting your users at the network level. Customers can now apply these […]

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How to configure an LDAPS endpoint for Simple AD

In this blog post, we show you how to configure an LDAPS (LDAP over SSL or TLS) encrypted endpoint for Simple AD so that you can extend Simple AD over untrusted networks. Our solution uses Network Load Balancer (NLB) as SSL/TLS termination. The data is then decrypted and sent to Simple AD. Network Load Balancer […]

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Simplify DNS management in a multi-account environment with Route 53 Resolver

September 27, 2021: In the section “Third use case,” we updated step 3 to improve clarity. April 15, 2021: In the section “Third use case,” we updated the diagram and steps for clarity. April 2, 2021: In the section “Step 1: Set up a centralized DNS account,” we updated step 4. June 5, 2019: We […]

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Enhanced Domain Protections for Amazon CloudFront Requests

Over the coming weeks, we’ll be adding enhanced domain protections to Amazon CloudFront. The short version is this: the new measures are designed to ensure that requests handled by CloudFront are handled on behalf of legitimate domain owners. Using CloudFront to receive traffic for a domain you aren’t authorized to use is already a violation […]

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How to Use Bucket Policies and Apply Defense-in-Depth to Help Secure Your Amazon S3 Data

Amazon S3 provides comprehensive security and compliance capabilities that meet even the most stringent regulatory requirements. It gives you flexibility in the way you manage data for cost optimization, access control, and compliance. However, because the service is flexible, a user could accidentally configure buckets in a manner that is not secure. For example, let’s […]

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How to Configure an LDAPS Endpoint for Simple AD

September 9, 2020: There’s an updated version of this blog here – https://aws.amazon.com/blogs/security/how-to-configure-ldaps-endpoint-for-simple-ad/. Simple AD, which is powered by Samba  4, supports basic Active Directory (AD) authentication features such as users, groups, and https://aws.amazon.com/blogs/security/how-to-configure-ldaps-endpoint-for-simple-ad/the ability to join domains. Simple AD also includes an integrated Lightweight Directory Access Protocol (LDAP) server. LDAP is a standard application […]

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How to Help Protect Dynamic Web Applications Against DDoS Attacks by Using Amazon CloudFront and Amazon Route 53

Using a content delivery network (CDN) such as Amazon CloudFront to cache and serve static text and images or downloadable objects such as media files and documents is a common strategy to improve webpage load times, reduce network bandwidth costs, lessen the load on web servers, and mitigate distributed denial of service (DDoS) attacks. AWS […]

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

Distributed Denial of Service (DDoS) attacks are attempts by a malicious actor to flood a network, system, or application with more traffic, connections, or requests than it is able to handle. To protect your web application against DDoS attacks, you can use AWS Shield, a DDoS protection service that AWS provides automatically to all AWS […]

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How to Set Up DNS Resolution Between On-Premises Networks and AWS Using AWS Directory Service and Amazon Route 53

As you establish private connectivity between your on-premises networks and your AWS Virtual Private Cloud (VPC) environments, the need for Domain Name System (DNS) resolution across these environments grows in importance. One common approach used to address this need is to run DNS servers on Amazon EC2 across multiple Availability Zones (AZs) and integrate them […]

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