Zero Trust Archives

Networking tutorial - IT technology blog

Hardening Linux Networks: Microsegmentation with nftables

May 27, 2026

Secure your internal network by moving beyond perimeter firewalls. Learn how to use nftables sets and chains to implement a Zero Trust microsegmentation strategy on Linux.

Security

Identity-Based SSH: Why I Finally Closed Port 22 and Ditched Key Management

May 12, 2026

Is SSH key management slowing you down? Switch to identity-based authentication with Tailscale. Close Port 22, use your SSO for access, and simplify your server security in under 20 minutes.

Security

Beyond the Perimeter: A 6-Month Post-Mortem on mTLS with Nginx

May 3, 2026

A deep dive into implementing Mutual TLS (mTLS) with Nginx and OpenSSL. Explore real-world performance metrics, automation strategies, and security benefits after 6 months in production.

Networking

Cloudflare Tunnel: Securely Expose Internal Services Without Opening Firewall Ports

March 27, 2026

Picture this: It's 2 AM, and you need to expose an internal service. Opening firewall ports is a massive security risk, but Cloudflare Tunnel offers a secure, port-free solution. This guide details how to set it up, allowing you to safely publish web apps and SSH without compromising your network.

Networking

Zero Trust Network Architecture: A Six-Month Production Deep Dive

March 17, 2026

After 6 months of implementing Zero Trust Network Architecture in production, we've seen consistent stability and enhanced security. This article explains its core principles, offers a quick start, dives into its pillars, explores advanced usage, and provides practical tips for securing your network with Zero Trust.