How To Enable Cloudflare Post-Quantum X25519Kyber768 Key Exchange Support in Centmin Mod Nginx

How To Enable Cloudflare Post-Quantum X25519Kyber768 Key Exchange Support in Centmin Mod Nginx
How To Enable Cloudflare Post-Quantum X25519Kyber768 Key Exchange Support in Centmin Mod Nginx

Cloudflare turned 13 this year. For Cloudflare Birthday week, they announced support for Post-Quantum key exchange connections (KEX) to Cloudflare origin servers using X25519Kyber768Draft00. For this to work, origin servers need to support Post-Quantum key exchanges. This post outlines how Centmin Mod LEMP stack’s Nginx server can be configured to support Post-Quantum KEX.

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What Are The Benefits Of Using Cloudflare Business Plan?

What Are The Benefits Of Using Cloudflare Business Plan?
What Are The Benefits Of Using Cloudflare Business Plan?

Cloudflare’s Business plan costs 10x more than their Pro plan so the question that some folks ask is whether Cloudflare’s Business plan is worth it? I’ve been a Cloudflare customer for 11yrs now and a Cloudflare Community MVP for 5yrs and have used all Cloudflare plans – Free, Pro, Business and Enterprise. This article outlines the benefits from my own usage experiences.

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Akamai Acquires Linode – What I’m Excited About

Akamai Acquires Linode – What I’m Excited About
Akamai Acquires Linode – What I’m Excited About

CDN provider Akamai has announced that it has acquired Linode an IaaS cloud hosting provider for $900 million. I’ve been using Linode since 2014 and have grown to love their resilient offerings and loved their independent bootstrap origins so the news took me back a bit. However, I am also excited to see what Akamai can bring to the table. This blog post is for my thoughts (wishlist) on this acquisition.

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Testing Page Speed With Cloudflare Automatic Signed Exchanges & Google Search Cache

Cloudflare Automatic Signed Exchanges
Cloudflare Automatic Signed Exchanges

During Cloudflare Speed Week 2021, Cloudflare announced Cloudflare Automatic Signed Exchanges (SXGs) which improve page load speed and Google Core Web Vital metrics like Largest Contentful Paint (LCP) by allowing Cloudflare to serve up a signed cached version of your web page to Google search engine crawler which can then prefetch the cached version to their own local cache and to the visitor’s web browser local cache.

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How To Switch From Letsencrypt to ZeroSSL Free SSL Certificates On Centmin Mod

How To Switch From Letsencrypt to ZeroSSL Free SSL Certificates On Centmin Mod
How To Switch From Letsencrypt to ZeroSSL Free SSL Certificates On Centmin Mod

Centmin Mod uses Neil Pang’s acme.sh client as the underlying tool to issue and obtain free Letsencrypt certificates for Nginx HTTPS auto created sites. The acme.sh client has added support for other free ACME protocol compatible CA SSL providers like Buypass (BuyPass Go SSL) and ZeroSSL. This guide shows how you can switch over from Letsencrypt to using ZeroSSL SSL certificates which uses Sectigo (Comodo) certificates and supports free wildcard SSL certificates and doesn’t have any rate limiting for SSL certificate issuance.

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Centmin Mod Managing Letsencrypt DST Root CA X3 Certificate Expiration On CentOS 7

Centmin Mod Managing Letsencrypt DST Root CA X3 Certificate Expiration On CentOS 7
Centmin Mod Managing Letsencrypt DST Root CA X3 Certificate Expiration On CentOS 7

On September 30, 2021, Letsencrypt’s DST Root CA X3 cross-sign (by IdentTrust) root certificate expired and was replaced with Letsencrypt’s own ISRG Root X1 CA root certificate. I’ll outline how Centmin Mod LEMP stack handled the Letsencrypt’s DST Root CA X3 certificate expiration for CentOS 7.x operating systems.

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How To Bulk Domain Transfer To Cloudflare Registrar And Save On Domain Renewal Costs

How To Bulk Domain Transfer To Cloudflare Registrar And Save On Domain Renewal Costs
How To Bulk Domain Transfer To Cloudflare Registrar And Save On Domain Renewal Costs

Cloudflare Domain Registrar is a privacy focused no markup price domain registrar provider which can reduce your domain renewal costs significantly. However, a requirement is that you use their Cloudflare nameservers and have onboarded your domain(s) to their service first. This guide will show how you can bulk domain transfer many domains including onboarding to Cloudflare service and nameservers.

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How To Bulk Domain Transfer Out From Cloudflare Registrar Via Cloudflare API

How To Bulk Domain Transfer Out From Cloudflare Registrar Via Cloudflare API
How To Bulk Domain Transfer Out From Cloudflare Registrar Via Cloudflare API

Cloudflare Registrar is a cost price domain registrar offering cheap domain transfers and registrations. However, at one point you may need to transfer many domains out of Cloudflare Registrar to another registrar – offering discount domain transfer pricing or specials. This guide will show you how to bulk transfer out the domains via Cloudflare Registrar API via command line or scripting.

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