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AWS WAF

AWS WAF is a Web Application Firewall that helps protect your web applications from common web exploits that could affect application availability, compromise security, or consume excessive resources. AWS WAF gives you control over which traffic to be allowed/blocked to…

VPC Peering on AWS

A VPC Peering connection is a networking connection between two VPCs that enables you to route traffic between them using private IP address. Instances in either VPC can communicate with each other as if they are within the same network.…

Why use NAT gateway?

An interesting network challenge arises when Amazon EC2 instance in a private VPC subnet need to connect to the Internet. As the subnet is private, the IP addresses assigned to the instances cannot be used in public. Instead, it is…