Finding and connecting to a headless device like a Raspberry Pi on your local network using IPv6 link-local (fe80) addresses and the ff02::1 multicast group.

sysctl.conf tuning profiles for Linux 6.12+: end-user systems, VMs and physical servers, and cloud/web instances (BBR, fq, buffers, TCP, IPv6).

How to enable HTTP/3 on an Nginx server.

Joining a Synology NAS to a Netmaker (WireGuard-based) VPN network, including an Upstart script for DSM 6.x.

Past networking projects: an IPv6 WAN at E-Z Rent-A-Car, cross-continent and cloud VPN deployments, and an IPv6-only data center WAN.

A review of popular VPN options for home or business use: WireGuard, IPsec, OpenVPN, tinc, ZeroTier, and Microsoft’s VPN offerings.

How to assign custom link-local IPv6 addresses on Mikrotik RouterOS v7+ by creating an fe80::/56 address pool and allocating from it.

Getting older Java Web Start (JNLP) apps for network switches and KVM devices working on Windows 10/11 with OpenWebStart.