// writing

Notes on systems done right

Field notes and opinions on AWS, networks, firewalls, and running infrastructure that small businesses can actually rely on. Written by the person doing the work, not a marketing team.

VLANs are the cheapest security you can buy

A flat network means one compromised smart plug can see your accounting PC. Segmentation fixes that for the price of some config time. Here's how I think about it.

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Why one engineer beats four vendors

Most small businesses stitch together a web designer, a host, a network installer, and a payments consultant — none of whom talk to each other. Here's why that's the real problem.

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