Traefik: Docker Routing with Labels
Master Traefik's label-based routing in Docker: entrypoints, routers, middlewares, TLS, and the mental model that makes it all click.
Tag: networking
All the articles with the tag "networking".
Nginx Proxy Manager for Normal Humans
Set up Nginx Proxy Manager in Docker, get SSL certs, proxy hosts, access lists, and TCP streams — without reading a 40-page nginx manual.
VLAN Basics for Home Labs: Segment Your Network Before It Segments You
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.
Port Knocking: Simple Obscurity for SSH Access
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.
The Reverse Proxy Timeout That Kills Long Uploads
Your upload works fine locally. It times out through NGINX. The client closes the connection. Here's why.
Time Is a Lie and Chrony Is Here to Fix It: NTP for Home Labs
Set up Chrony for NTP time sync in your home lab. Covers chrony.conf, chronyc tracking, stratum levels, LAN NTP server setup, and why correct time matters more than you think.
Why Your VPN Isn't Routing What You Think
You enabled the VPN but half your traffic still bypasses it. Here's why and how routing actually works.
The Header Your Reverse Proxy Keeps Dropping
Your backend can't see the client IP because the reverse proxy silently dropped it. Here's why and how to fix it right.
IPv6 on Your Home Lab: You Should Care (Here's Why)
IPv6 isn't just for the future—it's broken on your network right now. Here's why you should care and how to actually set it up.
DNS Over HTTPS and TLS: Encrypt Your DNS Before Your ISP Sells It
Understand DoH, DoT, and DoQ encrypted DNS protocols and set up self-hosted encrypted DNS with AdGuard Home or Pi-hole. Stop your ISP from logging every domain you visit.
tcpdump Basics: Capture Traffic Without Wireshark
You don't need a GUI to see network packets. tcpdump on the command line beats opening Wireshark every time.
TCP Keepalives: Why Connections Die and How to Fix It
Long-lived connections dropping randomly? Your OS is killing them. Here's why keepalives matter and how to tune them.