ipnet

IP subnet calculator CLI tool, your network info Swiss Army knife.

nicanorflavier

spf-dkim-dmarc-simplified

Email security is a key part of internet communication. But what are SPF, DKIM, and DMARC, and how do they work? This guide will explain it all in simple terms to make these concepts clearer.

ssl-certificate-chain-guide

Certificate chains are a key part of internet security. But what are they, and how do they work? This guide will explain it all in simple terms to make the concept clearer.

tf-aws-rsvl

This project demonstrates how to set up a Terraform backend configuration option in Terraform that allows us to store and manage the state files of our infrastructure in a secure remote location with versioning and state locking using AWS S3 for remote storage and AWS DynamoDB for state locking.