A content delivery network, also referred to as a content distribution network (CDN), is a geographically distributed network of data centers containing proxy servers. CDN providers serve internet content, including web objects (text, graphics, and scripts), downloadable objects (media files, software, documents), applications (e-commerce, portals), live-streaming media, to name closer to and thus faster, to end-users. Some of the […]
Is Cloudflare Argo worth it?
Cloudflare Argo reduces network latency on average by 30% and connection errors by 27%. Traditional network technologies use static routing information, which can be slower and often use congested paths. Slow loading times and connection timeouts increase the likelihood of poor user experience. The Cloudflare company routes 20% of all internet traffic. This provides them […]
Facebook faulty configuration change: Who, what, why?
Update: Facebook just posted another update with just a bit more details. After Facebook’s downtime of around 6 hours which started just before noon on Monday, October 4, 2021, and several hours after restoration, Facebook has finally posted an official explanation for the outage via their engineering blog. The reason for the blackout cited was […]
Replacing Cloudflare with CSF Firewall
March 8th, 2021 update: For the past year, this blog has been using Bunny CDN as a full-page caching solution. That said, I still use Cloudflare with other websites. I’m updating this guide with additional details and tips for using CSF (Config Server Firewall) to increase security with [or without] Cloudflare as a reverse proxy. […]
.IO TLD DNS issues and a day without Cloudflare
Yesterday morning, I started receiving down alerts for this blog. Pingdom’s alerts include the message: “Reason: Non-recoverable failure in name resolution”. Right from the start, to simplify troubleshooting, I wrongly removed Cloudflare since I had a similar issue with them a year ago and was able to resolve by temporarily removing. However, upon investigation the issue […]