From the course: AWS: Networking

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Configure network ACLs, part 1

Configure network ACLs, part 1 - Amazon Web Services (AWS) Tutorial

From the course: AWS: Networking

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Configure network ACLs, part 1

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- Before we dive in and configure a NACL, let's take a look at a picture to visualize the environment we're working in. Let's take a quick peek at this simplified diagram. Here we have the Tokyo VPC and its subnets on the left side of the screen. The right side shows the Frankfurt VPC and it's single sub net. Down in the lower right corner is my laptop somewhere out on the internet. In Frankfurt, there's a single EC2 instance. Over in Tokyo, we can see the public and private EC2 instances, as well as the NAT gateway. The security group attached to the instance in Frankfurt, allows access from my laptop, the public IP of the NAT gateway and the public IP of the instance in Tokyo. The security group attached to the Tokyo public instance, also accepts traffic from my laptop. The only way for me to get to the private instance in Tokyo is by going through the instance in the Tokyo public sub-net. This makes sense as there is…

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