Tag: networking

Docker networking confuses everyone at first. Here's the practical breakdown of bridge, host, overlay, and macvlan, with real Compose examples.

Run multiple Proxmox VMs and LXC containers behind a single public IP using NAT bridging and iptables port forwarding. Works on Proxmox VE 8 and 9.

TLS 1.3 explained without the PhD: faster handshakes, better ciphers, and how to actually configure Nginx and Caddy to use it.

Learn IPFS distributed storage: content addressing, CIDs, installing the IPFS daemon, pinning files, public gateways, and real use cases for resilient self-hosted file storage.

HAProxy is the battle-tested load balancer powering GitHub, Reddit, and Instagram. Here's how to actually use it without reading 500 config options.

Cloudflare's free tier WAF is more powerful than most people use. Here's how to actually configure it: rules, rate limits, and all.

Stop using your registrar's janky DNS panel. Here's how Cloudflare DNS actually works, proxying, DNSSEC, dynamic DNS, and email records that don't break.

Master Traefik's label-based routing in Docker: entrypoints, routers, middlewares, TLS, and the mental model that makes it all click.

Set up Nginx Proxy Manager in Docker, get SSL certs, proxy hosts, access lists, and TCP streams, without reading a 40-page nginx manual.

Learn VLAN basics for your home lab: 802.1Q tagging, trunk vs access ports, managed switch setup, and pfSense VLAN configuration to isolate IoT, guests, and your NAS.

Hide your SSH port from scanners with port knocking. It's not a replacement for security, but it's a valid defense-in-depth tactic.

Your upload works fine locally. It times out through NGINX. The client closes the connection. Here's why.