The VMware LAN Segment Name Is a Lie — the pvnID Is the Network
Two VMware VMs can show the same LAN Segment name and sit on different networks. The real identity is a 16-byte pvnID the interface never shows you.
Track NET
Networking
Hardening, firewall design, and the defaults that ship enabled but never appear in an export.
5 articles · MikroTik RouterOS · Cisco IOS
A Working RouterOS Firewall Input Chain, Line by Line
Six rules that decide what can reach the router itself, in the order they must run — and the one rule every tutorial leaves out that makes the rest mean anything.
RouterOS /import Stops at the First Error and Says Nothing
A failed import leaves everything before the bad line applied and abandons the rest. The error tells you a line number and nothing about what landed.
CVE-2018-14847: Is Your MikroTik Still Backdoored?
Patching RouterOS closed the door but never removed what came through it. Six checks that find the accounts, scripts and proxies a compromise leaves behind.
MikroTik Security Hardening: 10 Checks Most People Miss
Nine services and settings that stay active on a hardened RouterOS 7.24 router and never appear in its export, with the commands to find each one.
Two articles a month
New guides go out the day they publish. No digest, no roundup, no forwarding other people's links.
Unsubscribe in one click. The list is never shared or sold.