Network Security → All Network Security articles
LDAP is the directory behind most enterprise logins and group membership, and it answers questions in a filter syntax an app stitc…
Zero trust is a single idea taken seriously: stop treating "inside the network" as a permission. No standing access, no trusted in…
A protocol parser is the most exposed code you own: it reads bytes off the wire from anyone who can reach the port, before any aut…
SNMP lets admins read a switch, router, printer or server's entire internal state over the network — and on countless devices the …
Bluetooth ships on everything and gets audited like almost nothing. Two stacks (Classic BR/EDR and Low Energy) share one bad habit…
A twenty-dollar TV-tuner dongle turns your laptop into a receiver for almost everything across the spectrum — key fobs, sensors, p…
BGP stitches the internet together — tens of thousands of independent networks deciding, announcement by announcement, where every…
A VPN is the move you make once you have decided the network underneath you is hostile — you stop trusting the wire and wrap every…
SMB is the file-and-print plumbing of almost every Windows network, and for most of its life it leaked to anyone who asked nicely.…
How DNS actually works under the hood — resolution chain, record types, wire format, caching, DNSSEC, DoH/DoT/DoQ, the famous atta…