AWS Security Blog

Tag: AWS Network Firewall

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TLS inspection configuration for encrypted egress traffic and AWS Network Firewall

In the evolving landscape of network security, safeguarding data as it exits your virtual environment is as crucial as protecting incoming traffic. In a previous post, we highlighted the significance of ingress TLS inspection in enhancing security within Amazon Web Services (AWS) environments. Building on that foundation, I focus on egress TLS inspection in this […]

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How to automate rule management for AWS Network Firewall

AWS Network Firewall is a stateful managed network firewall and intrusion detection and prevention service designed for the Amazon Virtual Private Cloud (Amazon VPC). This post concentrates on automating rule updates in a central Network Firewall by using distributed firewall configurations. If you’re new to Network Firewall or seeking a technical background on rule management, […]

Cost considerations and common options for AWS Network Firewall log management

Cost considerations and common options for AWS Network Firewall log management

When you’re designing a security strategy for your organization, firewalls provide the first line of defense against threats. Amazon Web Services (AWS) offers AWS Network Firewall, a stateful, managed network firewall that includes intrusion detection and prevention (IDP) for your Amazon Virtual Private Cloud (VPC). Logging plays a vital role in any firewall policy, as […]

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TLS inspection configuration for encrypted traffic and AWS Network Firewall

AWS Network Firewall is a managed service that provides a convenient way to deploy essential network protections for your virtual private clouds (VPCs). In this blog, we are going to cover how to leverage the TLS inspection configuration with AWS Network Firewall and perform Deep Packet Inspection for encrypted traffic. We shall also discuss key […]

How to control non-HTTP and non-HTTPS traffic to a DNS domain with AWS Network Firewall and AWS Lambda

December 7, 2022: We added a caveat to the solution, for those using a traffic steering mechanism, in this post. Security and network administrators can control outbound access from a virtual private cloud (VPC) to specific destinations by using a service like AWS Network Firewall. You can use stateful rule groups to control outbound access […]

Use AWS Network Firewall to filter outbound HTTPS traffic from applications hosted on Amazon EKS and collect hostnames provided by SNI

October 13, 2022: This post had been updated with diagram of Figure 1: Outbound internet access through Network Firewall from Amazon EKS worker nodes modified. This blog post shows how to set up an Amazon Elastic Kubernetes Service (Amazon EKS) cluster such that the applications hosted on the cluster can have their outbound internet access […]

How to deploy AWS Network Firewall by using AWS Firewall Manager

AWS Network Firewall helps make it easier for you to secure virtual networks at scale inside Amazon Web Services (AWS). Without having to worry about availability, scalability, or network performance, you can now deploy Network Firewall with the AWS Firewall Manager service. Firewall Manager allows administrators in your organization to apply network firewalls across accounts. […]

Top 2021 AWS service launches security professionals should review – Part 2

In Part 1 of this two-part series, we shared an overview of some of the most important 2021 Amazon Web Services (AWS) Security service and feature launches. In this follow-up, we’ll dive deep into additional launches that are important for security professionals to be aware of and understand across all AWS services. There have already […]

How to deploy AWS Network Firewall to help protect your network from malware

April 25, 2023: We’ve updated this blog post to include more security learning resources. Protecting your network and computers from security events requires multi-level strategies, and you can use network level traffic filtration as one level of defense. Users need access to the internet for business reasons, but they can inadvertently download malware, which can […]

Using AWS security services to protect against, detect, and respond to the Log4j vulnerability

April 21, 2022: The blog post has been updated to include information on the updated version of the hotpatch. See this security advisory for more details. Overview In this post we will provide guidance to help customers who are responding to the recently disclosed log4j vulnerability. This covers what you can do to limit the […]