Technology Blog

Introducing AS132383 website and HE’s IPv6 Sage certification!

I have a couple of quick updates to share here, pertaining to my AS132383 network and Hurricane Electric‘s IPv6 certification. Updates to AS132383 First is related to my AS132383 which I use to announce a few IPs. I now have a website and Looking Glass for AS132383! You can check it out at as132383.net. There… Read More »

Strategies to build a global CDN

A friend recently asked me: I would like to know how to build a global CDN network. I’m currently exploring all the CDN options on the market, but would like to know how to build one since it looks like an interesting problem to solve. A Content Delivery Network(CDN) is nothing but a service which… Read More »

Ultimate OpenVPN setup – inter-connecting, connecting to multiple sites at once

I had multiple networks scattered around different places and needed a way to link all of them together. They were as follows: Work related VPNs. There were multiple VPNs to access different parts of the internal networks. Handling multiple VPN files was very cumbersome. For convinience let’s assume we have a single network here –… Read More »

Free wildcard certs with Let’s Encrypt & DNS auth ft. Route 53

Everyone’s favorite SSL certificate authority Let’s Encrypt recently announced support for wildcard SSL certificates on their forum here using the ACMEv2 API. Wildcard SSL certificates still cost as much as $150-300/yr on the market. Getting them for free is a huge bonus. Install Certbot Grab the Certbot tool for issuing Let’s Encrypt signed SSL certificates.… Read More »