Luke Hebert
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Welcome to the articles section, where business, technology, and everyday problem-solving meet. You’ll find practical how-tos, troubleshooting notes from the trenches, and the occasional take on whatever’s happening in the world. Some posts will save you time, some will spark ideas, and a few will just be me thinking out loud. Grab a coffee and dig in.

Which Container Ate All Your Storage? May 18, 2023

Which Container Ate All Your Storage?

A practical guide to identifying which Docker containers occupy the largest overlay2 directories. Uses docker inspect, jq, and xargs to map cryptic layer hashes back to human-readable container names.
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A Walkthrough of a TLS 1.3 Handshake May 10, 2023

A Walkthrough of a TLS 1.3 Handshake

A byte-by-byte walkthrough of a TLS 1.3 handshake using OpenSSL’s s_client, comparing each message to its TLS 1.2 counterpart. Highlights how encryption, key exchange, and extensions differ in the latest revision.
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Palo Alto Networks - Define Traffic to Decrypt May 8, 2023

Palo Alto Networks - Define Traffic to Decrypt

Learn how to use Decryption Policy rules in Palo Alto Networks to define which traffic to decrypt and which to exclude. This guide also covers best practices for blocking QUIC and applying strict security profiles to sensitive traffic categories.
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How to Setup and Secure UniFi VLAN May 5, 2023

How to Setup and Secure UniFi VLAN

A step-by-step guide to creating and securing VLANs in the UniFi Network Console, including firewall rules to block inter-VLAN traffic and restrict console access.
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Introduction to Virtual LANs (VLANs) and Tagging May 5, 2023

Introduction to Virtual LANs (VLANs) and Tagging

A beginner-friendly overview of Virtual LANs, covering their benefits, typical usage scenarios, and the fundamentals of 802.1Q VLAN tagging.
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UniFi Network - Creating Virtual Networks (VLANs) May 5, 2023

UniFi Network - Creating Virtual Networks (VLANs)

Learn how to create and configure virtual networks (VLANs) in UniFi Network to segment devices and improve network security. This guide covers wireless and wired client binding, trunk ports, and third-party gateway integration.
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