Step-by-step Windows Server 2025 domain controller deployment: static IP, AD DS installation, DNS configuration, domain promotion, OU/user setup, client join testing, and post-install verification.
Practical Docker Compose patterns for reliable homelab deployments. Healthchecks, conditional dependencies, profiles for optional services, secrets management, extension fields, and restart policies with real compose files.
Publishing a Docker port can make it reachable even when UFW says incoming traffic is denied. Docker routes published bridge-network traffic through NAT and forwarding rules; UFW’s host INPUT policy does not provide the access control you might expect. This guide separates two jobs: limiting where a port is published, and filtering which clients can reach it. Binding to a LAN address reduces exposure, but does not make UFW’s host-input rules control forwarded container traffic. ...