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Luc van Donkersgoed

Luc van Donkersgoed

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…

ANS Exercise 1.4: DNS Fundamentals
Luc van Donkersgoed - 17/01/2020

ANS Exercise 1.4: DNS Fundamentals

In this exercise we will look at the Domain Name System (DNS) implementation in AWS VPCs. We will look at DNS hostnames, DNS resolution, and Route 53 integration. This is exercise 1.4 for the AWS Adv…

ANS Exercise 1.3: DHCP Fundamentals
Luc van Donkersgoed - 17/01/2020

ANS Exercise 1.3: DHCP Fundamentals

In this exercise we will investigate how the Dynamic Host Configuration Protocol (DHCP) is implemented in AWS EC2. We will look at the default implementation, then change the defaults by creating and …

ANS Exercise 1.2: VPC Peering
Luc van Donkersgoed - 06/01/2020

ANS Exercise 1.2: VPC Peering

In this exercise we will set up VPC peering within the same region. We will experiment with routes, referencing security groups in different VPCs, overlapping CIDRs, and transitive routing. In this e…

ANS Exercise 1.1: Subnetting and Routing with IPv6
Luc van Donkersgoed - 13/12/2019

ANS Exercise 1.1: Subnetting and Routing with IPv6

In this exercise we will build a VPC with IPv6 enabled and explore the differences between routing in IPv4 and IPv6. This is exercise 1.1 for the AWS Advanced Networking Specialty training. For an ex…

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