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

ZeroSSL

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

Letsencrypt SSL

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 Setup Cloudflare Argo Tunnel On CentOS 7

Cloudflare Argo Tunnel Setup

Cloudflare Argo Tunnel allows you to expose your web server to the internet without having to open routes in your firewall or setup dedicated routes. This guide will outline how you can setup Cloudflare Argo Tunnel for private encrypted HTTP/2 connection to your origin web server or web application on CentOS 7 for Centmin Mod LEMP stack users.

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New blog.centminmod.com

Centmin Mod Nginx

New blog.centminmod.com in development. Will be blogging about all Centmin Mod related news, product and feature developments right here.

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