Networking & Content Delivery

Category: Uncategorized

Geo-block Content Using Amazon Location and Edge Services

Organizations require methods to restrict access to content to adhere to compliance and regulatory requirements, sanctions, privacy laws, territorial ownership rights, security controls, etc. One way that companies restrict access is by Geo-blocking – restricting access to a website or another piece of content based on a user’s location. A popular method of geo-blocking content is […]

Centralizing outbound Internet traffic for dual stack IPv4 and IPv6 VPCs

Organizations have been adopting IPv6 in their IPv4 environments to solve IP address exhaustion or meet compliance requirements. Since IPv6 isn’t backward compatible with IPv4, several mechanisms can facilitate communication between hosts that support one or both protocols. One common way is by using dual stack deployments. For architectures where dual stack deployments aren’t the […]

Monitoring EC2 Connection Tracking utilization using a new network performance metric

In 2020, Amazon Elastic Compute Cloud (Amazon EC2) announced new network performance metrics for EC2 instances made available using ENA driver and Amazon CloudWatch agent. We covered the launch in this post. These network performance metrics give customers visibility into the number of packets queued or dropped when an instance’s networking allowances, such as Network […]

External Server Authorization with Lambda@Edge

Introduction In this blog post, we will explain how you can use Lambda@Edge to authorize requests to Amazon CloudFront by forwarding authorization data to external authorization servers. We will outline the sequence of requests in such a workflow, the steps for implementation with Node.js sample code, and a CloudFormation template for a simple external test […]

Rapidly recover from application failures in a single AZ

Update – 3rd May 2023 With this update, zonal shift for Amazon Route 53 Application Recovery Controller is now also available in the following AWS Regions. Learn more in the updated What’s New post or zonal shift documentation. Today we’re introducing zonal shift, a new capability of Amazon Route 53 Application Recovery Controller (Route 53 […]

Implementing long-running TCP Connections within VPC networking

Many network appliances define idle connection timeout to terminate connections after an inactivity period. For example, appliances like NAT Gateway, Amazon Virtual Private Cloud (Amazon VPC) Endpoints, and Network Load Balancer (NLB) currently have a fixed idle timeout of 350 seconds. Packets sent after the idle timeout expired aren’t delivered to the destination. Some applications or […]

Analyzing stale security group rules using serverless architecture

Security is a top priority for AWS and customers running workloads in AWS. The previous post Top 10 security items to improve in your AWS account, covered the top security items that AWS customers should pay special attention to if they want to improve their security posture. High on the list is the need to […]

Optimize content delivery for mobile devices with Amazon CloudFront

Amazon CloudFront lets you securely deliver data, videos, applications, and APIs to your global customers with low latency and high transfer speeds. In today’s digital-first world with a worldwide customer base, it’s important to deliver digital assets to end users with the lowest possible load time. Mobile devices now account for approximately 70% of internet traffic [1]. […]

Using Amazon CloudFront and Amazon S3 to build multi-Region active-active geo proximity applications

In today’s digital-first business environment with a globally distributed customer base, it becomes important to adopt an architecture that helps customers deliver digital assets to end-users with the lowest possible latency based on the geo-proximity of assets to the end user. Companies with digital assets stored in Amazon Simple Storage Service (Amazon S3) commonly configure the traffic to be […]

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Securely Connect your Mobile Device to your AWS environment with AWS Client VPN

AWS Client VPN is a fully-managed, client-based Virtual Private Network (VPN) service used by your remote workforce to securely access resources within AWS and your on-premises network. It’s an elastic service that automatically scales up or down based on demand. In addition to the free, AWS-provided VPN client, you can also use a common Open […]