Skip to content
All tags

#networking

8 posts

ngrok: From Localhost Tunnels to Controlled Global Ingress

ngrok is an agent-initiated reverse proxy and ingress, not a VPN for the whole machine; public endpoints still need explicit authentication, traffic policy, and data boundaries.

Twingate: Identity-to-Resource Access Instead of Whole Networks

Twingate uses clients, connectors, a controller, and relays to narrow user authorization to specific resources; it is managed ZTNA rather than a general peer-to-peer overlay.

WebSocket: Duplex Connections Are the Start; Protocol and Backpressure Are the Work

WebSocket supplies a duplex message transport, not auth renewal, schemas, acknowledgements, replay, rooms, or backpressure policy; those layers determine production correctness.

WireGuard: Minimal VPN Tunnels with Cryptokey Routing

WireGuard is a small, explicit layer-3 encrypted tunnel that binds public keys, peers, and AllowedIPs, but it does not supply identity, device management, or a policy control plane.

ZeroTier: Virtual Networks with Controllers and Flow Rules

ZeroTier places devices on a managed virtual L2/L3 network, attempts peer-to-peer transport, and uses a controller to publish membership and policy; it resembles software-defined networking more than a single tunnel.

Tailscale: Your Agent Lives at Home, You're Not Dialing Home

Self-hosting an agent that runs 24/7 means opening something on your own network that must be reachable from outside and must never sit on the public internet. This post takes apart what each Tailscale mechanism actually solves: the tailnet for reachability, subnet routers for private resources, tags plus ACLs for the permission boundary, and seconds-fast policy propagation plus Tailnet Lock for revocation. Pricing checked 2026-08: Personal is free, up to 6 users, unlimited user devices, 50 tagged resources included.

tech deep-dive

Accessing Your Home Mac From Anywhere: Cloudflare Tunnel and the Alternatives in 2026

Two answers stand out for remotely accessing your home Mac in 2026: Cloudflare Tunnel if you need browser-based access with no client install, and Tailscale if you just want something simple for personal use. This post compares both, covers ZeroTier, Pangolin, NetBird, and other alternatives, and explains why Cloudflare's remotely-managed tunnel makes setup significantly easier in 2026.

tech guide

Docker DNS Resolution: container_name vs network alias

Cross-project DNS resolution requires container_name or a network alias — and only aliases support horizontal scaling.