Security

Posts about Security to help your AWS solutions rock!

Posted by Robin Ford on Saturday, July 19, 2025

Wait! IP4 has a cost?

Why has my bill got IP costs is still talked about since AWS started charging for public IPs. This post looks at what you could do to reduce the impact of the charges.

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Posted by Robin Ford on Sunday, August 11, 2024

My bill is how much‽

Follow these 5 simple steps to make sure you're not the next person to complain that you had an unexpected AWS bill.

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Posted by Robin Ford on Thursday, December 21, 2023

You put what in a public subnet‽

Why make something public vs private

So you've split your VPC into different tiers which is great, but why did you put THAT in your public subnet and not a private one?

Posted by Robin Ford on Tuesday, April 4, 2023

Troubleshooting with VPC Flow Logs

How to understand VPC Flow Logs and use them to troubleshoot connectivity in AWS.

So you built and secured your VPC. But solutions are not working? How to understand VPC Flow Logs and use them to troubleshoot connectivity in AWS.

Posted by Robin Ford on Thursday, January 5, 2023

How to use NACLs and Security Groups

Where and how should you use NACLs and Security Groups to ensure you have a secure network on AWS.

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Posted by Robin Ford on Tuesday, December 6, 2022

Network Access Control Lists vs Security Groups

What are NACLs and Security Groups? What are the differences? How do they work?

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Posted by Robin Ford on Saturday, October 22, 2022

Creating a Well-Architected VPC

So how do we make our VPC Well-Architected and Secure?

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Posted by Robin Ford on Wednesday, April 20, 2022

Security

Network Security at all levels

Hello World, Hello Blog

Wait! IP4 has a cost?

Why has my bill got IP costs is still talked about since AWS started charging for public IPs. This post looks at what you could do to reduce the impact of the charges.

My bill is how much‽

Follow these 5 simple steps to make sure you're not the next person to complain that you had an unexpected AWS bill.

You put what in a public subnet‽

Why make something public vs private

Troubleshooting with VPC Flow Logs

How to understand VPC Flow Logs and use them to troubleshoot connectivity in AWS.

How to use NACLs and Security Groups

Where and how should you use NACLs and Security Groups to ensure you have a secure network on AWS.

Network Access Control Lists vs Security Groups

What are NACLs and Security Groups? What are the differences? How do they work?

Creating a Well-Architected VPC

So how do we make our VPC Well-Architected and Secure?

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