AWS Overview

ANS Exercise 2.2: Tcpdump, Wireshark and Encapsulation
Luc van Donkersgoed - 27/03/2020

ANS Exercise 2.2: Tcpdump, Wireshark and Encapsulation

In this exercise we will capture network traffic with Tcpdump, analyze it with Wireshark and discuss encapsulation in network protocols. This is exercise 2.2 for the AWS Advanced Networking Specialty

ANS Exercise 2.1: Cisco CSR1000v NAT Instance
Luc van Donkersgoed - 24/03/2020

ANS Exercise 2.1: Cisco CSR1000v NAT Instance

In this exercise we will build a NAT instance using the Cisco CSR1000v AMI. This is exercise 2.1 for the AWS Advanced Networking Specialty training. For an explanation and overview of all exercises,

ANS Exercise 3.1: VPN with a Windows 2012 R2 Customer Gateway and Static Routing
Luc van Donkersgoed - 16/03/2020

ANS Exercise 3.1: VPN with a Windows 2012 R2 Customer Gateway and Static Routing

In this exercise we will build a single VPN connection between a VPC and a 'datacenter', which we will also host in AWS. This is exercise 3.1 for the AWS Advanced Networking Specialty training. For a

A better way to structure AWS CDK projects around Nested Stacks
Rafael Zamana Kineippe - 26/02/2020

A better way to structure AWS CDK projects around Nested Stacks

When you start creating Infrastructure as Code (IaC) with the CloudFormation the tendency is to create components in NestedStack (Database, Application Load Balancer, Service1, Service2). With this, i

There is a Time and a Place for Anomaly Detection
Luc van Donkersgoed - 21/01/2020

There is a Time and a Place for Anomaly Detection

Let's jump to the conclusion. AWS CloudWatch Anomaly Detection is awesome, but it's an addition, not a replacement, for 'classic' monitoring. In this post we'll dive into proper and inproper use of An

ANS Exercise 1.5: IPv4 Subnet Fundamentals
Luc van Donkersgoed - 17/01/2020

ANS Exercise 1.5: IPv4 Subnet Fundamentals

In this exercise we will look at the basics of subnets in AWS Virtual Private Cloud. We will examine CIDRs, reserved IP addresses and subnet strategies. This is exercise 1.5 for the AWS Advanced Netw