Tailscale SSH Tailworm Flaws: Root Escalation and Hardening
Tailscale confirmed privilege escalation flaws in Tailscale SSH socket forwarding. Here is the technical breakdown, daemon mitigations, and ACL hardening.
Infrastructure
11 posts in Infrastructure
Coolify: A Self-Hosted Heroku for Your Own VPS
Coolify gives you push-to-deploy, SSL, and databases on your own server. Here is how it stacks up against Vercel and raw Docker.
Web Application Firewall Fundamentals: Rules, Tuning, and the False Positive Problem
A WAF configured incorrectly either misses attacks or blocks legitimate traffic. This guide covers how WAFs work, OWASP Core Rule Set tuning, custom rules, rate limiting, and the false positive management process.
Caddy vs Nginx: Simpler Web Servers for Small Teams
Caddy gets you HTTPS with two lines of config. Nginx gives you twenty years of battle testing. Here is how to choose in 2026.
HTTP2Shell Vulnerability CVE-2026-111497: Root Cause, Blast Radius, and Remediation Guide
A technical remediation guide for systems engineers responding to HTTP2Shell (CVE-2026-111497), the out-of-bounds write flaw in Google Brotli impacting Node.js, .NET, Python, and HTTP/2 proxies. Updated with HTTP/2 frame slicing mechanics, Suricata IDS signatures, and Falco runtime rules.
Internet Failover for Small Business: LTE and Starlink
One cut fiber line can close a business for a day. Internet failover costs less than one outage. Here are the real options.
Multi-Region Architecture: Global Deployment, Data Residency, and Designing for Regional Failures
Multi-region deployments reduce latency for global users and protect against regional cloud outages, but they introduce complexity that can cause more problems than they solve. This guide covers the trade-offs honestly.
DNS Deep Dive for Developers: Records, TTLs, and Debugging When Resolution Breaks
DNS is infrastructure every developer uses but few understand well enough to debug.
HTTP/3 and QUIC for Web Developers: What Changes and What You Need to Configure
HTTP/3 uses QUIC instead of TCP, which eliminates head-of-line blocking and improves performance on unreliable networks.
Self-Hosted Business Tools: Replacing SaaS Subscriptions to Cut Costs and Gain Control
Discover self-hosted alternatives to popular SaaS tools. Compare options for Slack, Notion, and Google Workspace with practical deployment guidance and cost analysis.
My CDN Comparison: Cloudflare vs Fastly vs BunnyCDN for Business
I compare the top CDN providers for business websites with detailed analysis of Cloudflare, Fastly, and BunnyCDN covering performance, pricing, features, and use cases.