Category: *Post Types

VPC Traffic Mirroring is an AWS feature used to copy network traffic from the elastic network interface of an EC2 instance to a target for analysis. This makes a variety of network-based monitoring and analytics solutions possible on AWS. By capturing the raw packet data required for content inspection, VPC Traffic Mirroring enables agentless methods […]

This is a reminder that Amazon S3 and Amazon CloudFront are migrating their default TLS certificates from DigiCert to Amazon Trust Services, beginning on March 23, 2021. In 2018, AWS announced a broad migration of AWS services’ TLS certificates to our own Certificate Authority, Amazon Trust Services (ATS). Your action may be required to ensure your applications continue normal operation after this […]

Introduction Many organizations use hybrid networks to connect on-premises data centers to the cloud. These networks often use both AWS Direct Connect and private WAN MPLS links to connect data centers to cloud resources and to each other. With multiple connections, organizations need to be able to control the path that network traffic will follow […]

AWS Web Application Firewall (AWS WAF) is commonly used to protect HTTP and HTTPS requests forwarded to Amazon CloudFront. When you are using this approach, default 403 error pages do not distinguish whether the error came from AWS WAF or the CloudFront Origin. As an AWS WAF and Amazon CloudFront user, you may want to […]

On the AWS networking team, we’re often asked by customers who use AWS Global Accelerator to provide guidance around how to test and measure the network performance of their applications. To share this information more broadly, we decided to write this blog post. In this post, we discuss the factors that impact network performance and […]

The internet works reliably, in large part, on the basis of a key technology called Border Gateway Protocol (BGP). BGP is a means by which all junction points on the internet (routers) communicate with each other to dynamically establish the correct (and correctly weighted) paths that network packets should follow to traverse the global networking […]

Introduction In 2020, users have come to expect a flawless streaming media experience, whether it’s video, music, or audiobooks. Playback must start quickly and be resilient to changes in network availability and bandwidth. To deliver all of this content, you must have a performant, highly available and reliable Content Delivery Network (CDN) to reach customers […]

Introduction When you provide content online, personalization is used to improve your customers’ experience, market effectively, and meet regulatory requirements. One common way you can personalize web content is based on the geographical location of your customers. Since 2014, Amazon CloudFront has supported country-level location based personalization with a feature called Geolocation Headers. Using the […]

September 8, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. This is the first post in a blog series about Amazon CloudFront migrations. CloudFront works with other AWS edge networking services, to provide content delivery, perimeter security, end-user routing, and edge compute. CloudFront is a Content Delivery Network (CDN), which […]

SD-WANs, or Software Defined Wide Area Networks, have long been used to connect data centers and branch offices over the public internet. Today, those networks must also extend to the cloud. However, traditional SD-WAN infrastructure is not always well suited for this task—significantly increasing complexity and operational burden. At the same time, many AWS customers […]