How DNS Resolution Works
Jan 27 · 4 min read · DNS Explained with dig: From Root Servers to google.com What is DNS and Why Name Resolution Exists DNS (Domain Name System) is often called the internet's phonebook. Humans remember names like: google.com amazon.com Computers communicate using: I...
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Understanding SSL/TLS: The Complete Developer's Guide
Dec 24, 2025 · 9 min read · I was today years old when I learned that SSL is obsolete. For the longest time, I knew you needed an SSL certificate to make your website "secure." I understood the basic idea: data between your browser and server gets encrypted. But I never actuall...
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Part 1 - Create SSL with PowerShell and Let’s Encrypt
Dec 19, 2025 · 3 min read · ⚠️DISCLAIMER: The scripts and procedures outlined in this guide are intended strictly for non-production environments (Development, Test, POC). Code listed is AI generated, but completely tested on Windows 11 and reader assume all risks associated wi...
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Understanding SSL/TLS Certificates: Your Website's Digital Passport
Sep 11, 2025 · 7 min read · Every time you shop online, log into your bank account, or enter personal information on a website, you're trusting that your data remains private and secure. The technology that makes this possible? SSL/TLS certificates. These digital guardians work...
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Proxmox server with a slick Cloudflare Tunnel using Zero Trust & TLS
Jul 27, 2025 · 5 min read · Here's my step-by-step guide to get your Proxmox GUI accessible securely via your domain! 🛠️ Step-by-Step Guide: Proxmox + Cloudflare Tunnels with Zero Trust & TLS What You’ll Need: A Proxmox VE server (I’m on v8.2, but this works for most version...
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Implementing Cluster level Mutual TLS in two Nginx Pods
Apr 13, 2025 · 4 min read · Recently I was assigned with the task for establishing the MTLS communication between two pods. In this blog I will share my experience about implementing MTLS. Here I have created two Nginx pods and cert-manager to generate certificates Mutual TLS ...
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Don’t Let Your SSL/TLS Certificate Expire
Apr 9, 2025 · 3 min read · Have you ever clicked on a website only to be greeted by a giant “Not Secure” warning in your browser? Chances are, that site’s SSL/TLS certificate had expired—and whoever runs the site probably didn’t even realize it. These certificates are a key pa...
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Feb 21, 2025 · 4 min read · Symmetric Encryption Single key used for both encryption and decryption Over the same network sniff It is a secure way of encryption but the same key is required to encrypt and decrypt the data and the key needs to be exchanged between the sender...
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Understanding TLS Certificates, Authentication & Authorization - CKA
Jan 10, 2025 · 7 min read · Certificates at Different Level In the previous blog, we discussed how SSL/TLS certificates work. In brief, the server requests a certificate from a Certificate Authority (CA), the CA issues the certificate, and then the server presents this certifi...
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