AWS - Chronicles of Technology

AWS

A collection of 11 posts

Removing AWS CloudFront access restriction from a country

Removing AWS CloudFront access restriction from a country

We are developing a small web application on AWS, but we also restricted geographic access through WAF and CloudFront. However, we later wanted to give one of our offshore developers the ability to test the application, but he got an HTTP 403 error through CloudFront. The error on the browser

Lambda Function Internet Connectivity Issues in AWS - And how to resolve it!

Lambda Function Internet Connectivity Issues in AWS - And how to resolve it!

When deploying AWS Lambda functions, especially those requiring access to both the internet and internal AWS resources like an Amazon RDS MySQL server, you might encounter connectivity issues that can be frustrating to diagnose and resolve. This post will walk you through a common problem that developers face and offer

Utilizing Amazon Detective for Security Investigations

Utilizing Amazon Detective for Security Investigations

Amazon Detective is a highly effective AWS service developed with a lot of care and accuracy to provide a solution that would enable you to investigate and analyze security issues and other anomalies in your AWS environment efficiently. This blog post will answer eight common questions related to what Amazon

Monitoring AWS EC2 Instances on Amazon Linux AMI with CloudWatch [2024]

Monitoring AWS EC2 Instances on Amazon Linux AMI with CloudWatch [2024]

While performance and cost-efficiency are essential for AWS, effectively monitoring AWS EC2 instances is the key to staying above both factors. In this blog post, I will guide you through installing and configuring Amazon CloudWatch Agent on an EC2 Linux instance, enabling you to monitor key metrics and set up

How to Interrupt a Breach on AWS Using NACLs

How to Interrupt a Breach on AWS Using NACLs

If an active Security Group Rule allows an SSH connection to one of the instances and that connection is compromised, you may use NACL, or the Network Access Control List, to interrupt it. In this blog, I will explain What NACLs are and how to use them to stop security

How to Resolve Access Issues with Incorrect VPC or VPC Endpoint IDs in S3 Bucket Policies

How to Resolve Access Issues with Incorrect VPC or VPC Endpoint IDs in S3 Bucket Policies

AWS S3 is a robust storage service; securing access to your S3 buckets is critical. One common issue users face is configuring bucket policies with incorrect VPC or VPC Endpoint IDs, leading to frustrating "Access Denied" errors. This guide will walk you through troubleshooting and resolving these issues,

Mastering AWS EC2 Auto Scaling: Getting Started

Mastering AWS EC2 Auto Scaling: Getting Started

In this post, I describe how AWS EC2 Auto Scaling can optimize your cloud infrastructure, improve performance, and reduce costs. I'll cover the key concepts, benefits, and implementation steps. Introduction to AWS EC2 Auto Scaling If you’re working with Amazon Web Services (AWS), you’ve probably heard

When specialty beats functionality

When specialty beats functionality

While back I wrote a short piece about Pandoc. My excitement about it stands true, yet it's a last-century utility you don't want or can't use in cloud-native applications. Well, I found a new one - WKHTMLTOx