AWS Cloud Operations & Migrations Blog

Category: Amazon VPC

Securing Elastic IP addresses from accidental release

Have you wondered what are the best practices in safeguarding your infrastructure from unintended release of Elastic IP addresses? In this blog, we are providing a few proactive self-service solutions to streamline IP handling and obtaining a robust environment for critical applications. Before diving into the solution, let us revisit some key concepts of AWS […]

Announcing inbound network access control in Amazon Managed Grafana

Many customers that use Amazon Managed Grafana have a need to restrict the Grafana workspace public access and enable fine-grained control to allow which traffic sources can reach the Grafana workspace. Today, we are announcing Amazon Managed Grafana’s new feature that supports inbound network access control. This enables you to secure Grafana workspaces using VPC […]

Amazon Managed Service for Prometheus now offers VPC endpoint policy support

Today, Amazon Managed Service for Prometheus announces support for Amazon Virtual Private Cloud (Amazon VPC) endpoint policies. With VPC endpoint policy support, customers can now further control access to Amazon Managed Service for Prometheus through restricting user access or allowable actions. Amazon Managed Service for Prometheus is a fully managed Prometheus-compatible monitoring service that monitors and alarms on […]

How to enable VPC Flow Logs automatically using AWS Config rules

This post discusses an automated process for enabling Amazon Virtual Private Cloud (Amazon VPC) Flow Logs using AWS Config rule remediation. Customers use Amazon VPC Flow logs to capture information about the IP traffic going to and from network interfaces in an Amazon VPC. You can deploy this solution with the help of AWS Control […]

Automate time series network visualizations for AWS PrivateLink using Amazon CloudWatch Contributor Insights

AWS PrivateLink is a highly available, scalable technology that lets you connect your Amazon Virtual Private Cloud (VPC) to supported AWS services without requiring public internet traversal. It also lets you privately connect to services hosted by other AWS accounts (VPC endpoint services) and supported AWS Marketplace partner services. Amazon CloudWatch Contributor Insights is a […]

How to fix SSH issues on EC2 Linux instances using AWS Systems Manager

In a previous blog post, we provided a walkthrough of how to fix unreachable Amazon EC2 Windows instances using the EC2Rescue for Windows tool. In this blog post, I will walk you through how to utilize EC2Rescue for Linux to fix unreachable Linux instances. This Knowledge Center Article describes how EC2Rescue for Linux can be used to […]

Target-a-group-of-Amazon-EC2-On-Demand-Capacity-Reservations

Target a group of Amazon EC2 On-Demand Capacity Reservations

On-Demand Capacity Reservations enable you to reserve capacity for Amazon Elastic Compute Cloud(Amazon EC2) instances in an Availability Zone for any duration. You can use AWS Resource Groups to organize AWS resources into logical collections of applications, projects or environments. Last year, we introduced the ability to target EC2 capacity reservations in a resource group by using […]

Self-service VPCs in AWS Control Tower using AWS Service Catalog

One of the first tasks my customers do when creating a new AWS account is to create the right network integration for their enterprise. Typically, this means implementing an Amazon Virtual Private Cloud (VPC) across a multi-account framework that was provisioned with AWS Control Tower. When these are provisioned in a self-service model, we see […]

Feature Image for blog titled Using AWS Cost and Usage Reports and Cost Allocation Tags to understand VPC Flow Logs data ingestion costs in Amazon S3

Using AWS Cost and Usage Reports and Cost Allocation Tags to understand VPC Flow Logs data ingestion costs in Amazon S3

AWS customers enable the VPC Flow Logs feature in their accounts for security, governance, and auditing. They often have several teams who create VPC flow log subscriptions for their workloads and publish the data  to the same Amazon Simple Storage Service (Amazon S3) bucket as part of a centralized logging architecture. Customers need a way […]

Improve security by analyzing VPC flow logs with Amazon CloudWatch Contributor Insights

You can use rules in Amazon CloudWatch Contributor Insights to gain security visibility into your VPC flow logs. The rules analyze flow logs in targeted groups in Amazon CloudWatch Logs and display the Top-N contributors for a given log field or combination of log fields. In this post, I’ll show you how to set up CloudWatch Contributor Insight rules for VPC flow logs. I’ll demonstrate how to:

Map the VPC flow log format to rules in Contributor Insights.
Explain how a single rule can be used to monitor many VPC flow logs.
Walk through some sample rules and show them in a CloudWatch dashboard.