Intro to NACL and Security Groups

A Network Access Control List (NACL) is a security feature in Amazon Web Services (AWS) that acts as a virtual firewall for controlling inbound and outbound traffic at the subnet level within a Virtual Private Cloud (VPC). NACLs are stateless, meaning they don’t keep track of the connection state like stateful firewalls do. They evaluate traffic based on rules that you define and allow or deny traffic accordingly.

Network Access Control Lists (NACLs) and Security Groups are both important components of network security in Amazon Web Services (AWS). They provide different levels of control and operate at different layers of the networking stack.

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Intro to VPC Peering

AWS VPC Peering is a service provided by Amazon Web Services (AWS) that allows customers to create peering connections between their Virtual Private Clouds (VPCs). It enables direct communication between VPCs in the same AWS account or in different AWS accounts within the same region.

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VPC Networking

VPC (Virtual Private Cloud) networking is a service provided by Amazon Web Services (AWS) that enables users to create and manage virtual networks in the cloud. It allows users to create isolated, private network environments within the AWS cloud that are logically separate from other networks and that can be customized to meet specific requirements.

With VPC networking, users can create virtual networks that are similar to traditional on-premises networks, with complete control over IP addressing, subnets, and routing. VPCs provide several features and capabilities, including the ability to create and manage subnets, set up security groups and network access control lists (ACLs), and connect to on-premises networks and the public internet.

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Intro to AWS VPC

AWS VPC or Amazon Virtual Private Cloud is a service that enables customers to launch their AWS resources in a virtual network that is logically isolated from other networks in the AWS cloud, and in some cases, even from the internet.

When creating a VPC, customers can define their own IP address range, subnets, and route tables, and have full control over their virtual network topology. They can also configure security groups and network ACLs to control access to their resources, and use a variety of network connectivity options, such as virtual private network (VPN) or AWS Direct Connect, to securely connect their VPC to their on-premises data centers or other networks.

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