IPv6
Thread Troubleshooting: Border Routers, Split Networks, and the New Thread Tools App
09/21/2026
A Thread troubleshooting guide for smart homes, covering border routers, split networks, Matter controllers, Home Assistant, Thread Tools, and IPv6.
Why Port Forwarding Fails: Diagnose Double NAT, CGNAT, and IPv6 Before Buying Gear
09/19/2026
A topology-first troubleshooting guide for failed port forwards: public IP checks, double NAT, CGNAT, IPv6 firewall rules, UPnP, VPN, and tunnel alternatives.
How to Audit Your Exposed Services
09/15/2026
A practical exposure-audit guide for finding public ports, reverse proxies, tunnels, UPnP, IPv6 paths, vendor clouds, and forgotten services.
DNS Drift: Why Your Router, Browser, VPN, and Phone Use Different Resolvers
08/22/2026
A detailed DNS audit for home networks and homelabs where router DHCP, browser Secure DNS, VPN clients, IPv6, and mobile Private DNS do not agree.