Two Examples of using AWS Network Firewall


AWS Network Firewall is a high-available and scalable firewall service that provides network protections for VPC, which is a supplement to the existing security services. Security group protects computing resources (EC2, Lambda, RDS...)NACL (Network Access Control List) protects subnetsWAF (Web Application Firewall) and Shield protects frontend resources (ELB, CloudFound, API Gateway) There are quite a … Continue reading Two Examples of using AWS Network Firewall

Yum gets ‘HTTPS Error 403 – Forbidden’ error in Amazon Linux 2


If you use S3 endpoint not NAT/Proxy to access the Amazon yum repository, then this post should be helpful to you. We use S3 endpoint to access Amazon repositories, and we noticed that any yum operations failed with the 'HTTPS Error 403 - Forbidden' error in the EC2 instances that are launched from the latest … Continue reading Yum gets ‘HTTPS Error 403 – Forbidden’ error in Amazon Linux 2