Tag: Layer 4

All the articles with the tag "Layer 4".

• Cloudflare Spectrum: Protecting Non-HTTP Traffic at the Edge

  11 Mar, 2026

  I set up a DigitalOcean VPS, configured Cloudflare Spectrum, and locked down SSH access to prove how Layer 4 protection works for non-HTTP traffic. Here's the full walkthrough — from VPS creation to origin IP masking.