Tag: VPC Flow Logs

Many AWS customers use consolidated billing, and often need to allocate costs across their internal business units or accounts. This can be challenging when dealing with services that are shared by all accounts. For general chargebacks, some customers use cost allocation tags for this purpose. However, at the time of writing this post, there is […]

AWS Transit Gateway is a network transit hub that enables you to connect thousands of Amazon Virtual Private Clouds (Amazon VPCs) and your on-premises networks using a single gateway. This simplifies your network connection and puts an end to complex peering relationships. AWS Transit Gateway Flow Logs enables you to export detailed telemetry information, such as source/destination […]

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 […]

Amazon Virtual Private Cloud (Amazon VPC) Flow Logs helps you understand network traffic patterns on AWS by providing network telemetry data about the IP traffic flowing to and from ENIs in your VPC. It lets you perform numerous analytics tasks, such as diagnosing overly restrictive security group rules, monitoring traffic that is reaching an instance, […]

Since the launch of Amazon Virtual Private Cloud (Amazon VPC) Flow Logs in 2015, customers have utilized VPC Flow Logs to gain better visibility of network traffic patterns on AWS by providing network telemetry data regarding the IP traffic flowing to and from ENIs within a given VPC. As customers’ networks grew, customers began utilizing […]

An update was made on October 15, 2024: With the release of Athena engine version 3, native support for IP address functions is available through the Trino project. This eliminates the need for the Lambda function approach outlined in this blog post. To take advantage of this new enhancement, it is necessary to update the […]

Introduction There are several factors that contribute towards your overall costs incurred in AWS cloud. When it comes to networking, many customers ask about data transfer charges. You pay a Data Transfer charge when you send data out from AWS to Internet, between AWS Regions, or between Availability Zones (AZ). Today, there are multiple ways […]

Analyzing your VPC Flow Logs using Athena is now easier than ever! The recently introduced VPC Flow Logs integration with Amazon Athena helps you get started with extracting meaningful insights from VPC Flow Logs in just a few clicks. In this blog post, we will walk you through how you can use this recently announced […]