Docker Networking: Connecting to the Host from a Container
Access services on the host machine from inside a Docker container using host-gateway or host.docker.internal — no hardcoded IPs.
Tag: networking
All the articles with the tag "networking".
WordPress, Docker, NGINX, and MySQL via Ansible
Automate a full WordPress stack deployment — Docker, nginx, and MySQL — using Ansible playbooks instead of clicking through wizards.
How to securely deploy Cloudflare Tunnels
Cloudflare Tunnels expose local services to the internet without open ports — secure setup with zero-trust access controls.
Advanced UFW Techniques: Enhancing Firewall Security
Go beyond basic UFW rules — rate limiting, geo-blocking, application profiles, logging, and before.rules tricks for serious firewall hardening.
SSH Tunneling: A Secure Conduit for Your Data
SSH tunnels forward ports over encrypted connections — local forwarding, remote forwarding, and dynamic SOCKS proxy explained.
Socat: The Swiss Army Knife of Networking
socat relays data between almost any two endpoints — TCP, UDP, Unix sockets, files, and serial ports. The netcat you didn't know you needed.
Understanding PostgreSQL Connection URIs
Decode the postgresql:// connection string — host, port, database, SSL mode, and the gotchas that cause connection refused at deploy time.
Linux Home Lab Security: Planning for the Unexpected
Harden your home lab against real threats — SSH hardening, fail2ban, network segmentation, backups, and preparing for when things go wrong.
Wireguard VPN Server in Docker
Run a WireGuard VPN server inside Docker — wg-easy setup, peer config generation, and getting road warrior access to your home network.
Access Docker socket via TCP
Expose Docker's Unix socket over TCP so remote tools and dashboards can connect — daemon.json config for Linux and Windows.