A PDF — Portable Document Format — is usually just a document. But the format can also carry active features: links, forms, embedded files, automatic actions, multimedia, and sometimes JavaScript. That's what makes "is this PDF safe?" a fair question — and also a slightly wrong one.
A flat home network puts your laptop, your IoT gadgets, and your guests on the same wire. Here's how I carved my house into isolated zones with TP-Link Omada — VLANs, dedicated SSIDs, DHCP reservations, and firewall rules that actually keep them apart.
I recently reorganized my home network using a TP-Link Omada setup. The goal was not to build an enterprise-grade network, but to get something cleaner, safer, and easier to reason about.