VLAN Trunking VLAN trunking is responsible for more network outages than most people realise. Not because it’s complicated. Because it’s just familiar enough that people think they understand it and skip the details that actually matter. I’ve seen engineers with years of experience get caught out by native VLAN mismatches. Spent an afternoon once with […]

SSH Hardening: Lock Down Your Network Devices Properly Right, so SSH hardening. Let me tell you something that still makes me cringe. Few years back I did a security audit on a network I’d inherited. Ran a basic vulnerability scan against the management range. Came back with a list of findings longer than my arm. […]