Guest and IoT Wi-Fi at home: keep visitors and gadgets off the main network
How to use your router's guest or IoT Wi-Fi so visitors, smart plugs, and cameras cannot reach the laptops, NAS, and printers on your main SSID.
#networking
9 articles
MikroTik MikroTrick: update RouterOS now if you run one at home
MikroTik and CERT Polska warn that the MikroTrick RouterOS chain is being exploited when SSH is reachable from the internet. Update to a fixed build, then check Flagged status, logs, and unknown users.
Ubiquiti Bulletin 067: patch UniFi OS, Protect, Access, and Talk now
Ubiquiti's August 2026 advisory covers 22 UniFi vulnerabilities. Here are the affected products, fixed versions, real risks, and a practical update checklist.
A guest Wi-Fi setup that won’t expose the office
Build guest Wi-Fi as an internet-only security zone, with real firewall isolation, sensible access, and tests that catch leaks into business networks.
Choosing a business ISP failover plan
How to choose a genuinely independent backup circuit, size it for essential work, and test automatic failover before the primary ISP goes dark.
A one-page network diagram that stays true
How to build a single network map your team will actually update after every change, not a shelf document from the last migration.
Document firewall changes on one page
A single change record template so every rule edit has a name, a reason, and a rollback path.
When to replace that aging firewall
Replace a firewall based on support, measured capacity, security requirements, and recoverability—not a birthday or a frightening sales chart.
Is DNS filtering worth it for SMBs?
When blocking bad domains at the resolver beats buying another appliance—and when it is not enough on its own.