Networking
2.4 GHz vs 5 GHz vs 6 GHz: What Should Go Where?New!!
A practical Wi-Fi band-planning guide explaining which devices belong on 2.4 GHz, 5 GHz, and 6 GHz networks in Wi-Fi 6E and Wi-Fi 7 homes.
Where Should You Put Your Wi-Fi Access Points?New!!
A practical Wi-Fi AP placement guide for homes and small offices, covering ceiling APs, wired backhaul, multi-floor layouts, RF obstacles, and validation.
How to Monitor Home Fiber: ONT Signals, Optical Power, and Failover
Monitor FTTH from the customer side using approved ONT status, Ethernet and router counters, latency and loss baselines, full-path UPS coverage, and controlled failover tests, then turn the results into useful ISP evidence.
Proxmox Networking Without Tears
A practical Proxmox networking guide for bridges, VLAN-aware ports, management IPs, bonds, NAT, SDN, and safe change validation.
Can Fiber Internet Be Wiretapped? What the 2026 GPON Research Proves
A detailed, evidence-backed explanation of the 2026 gpwn research: how shared GPON downstreams work, what the researchers demonstrated, what remains unproven, and what subscribers and ISPs should do.
Philippine 3G Shutdown Audit For Every Branch Device
A documentation-backed, testable runbook for Philippine 3G Shutdown Audit For Every Branch Device, with safe defaults, validation evidence, failure modes, rollback, and publication-day checks.
Build a Private RAG Box for Network Docs
A private RAG guide for network documentation, configs, diagrams, NetBox exports, runbooks, embeddings, vector search, citations, and evals.
OpenWrt 24.10.8 and 25.12 Migration Runbook: Patch, Backup, Sysupgrade, and Recovery
An OpenWrt router upgrade runbook for patching exposed services, preserving config, checking device support, testing DHCP, Wi-Fi, DNS, and keeping recovery ready.
October 2026 DNSSEC Root Key Rollover: Test Your Resolver Now
A documentation-backed, testable runbook for October 2026 DNSSEC Root Key Rollover: Test Your Resolver Now, with safe defaults, validation evidence, failure modes, rollback, and publication-day checks.
DNS Drift: Why Your Router, Browser, VPN, and Phone Use Different Resolvers
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.