networking

Found 3 articles tagged with "networking"

How to Identify a Device by MAC Address

The first 3 bytes of a MAC address name the chip maker in the IEEE registry. How to look one up, spot randomized phone addresses, and script it in Python or JS.

DevToolLab Team·October 13, 2026

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Cybersecurity Lab Gear for Students 2026

Guide

9 min

Cybersecurity Lab Gear for Students 2026

Kali runs in 2GB of RAM. Security Onion standalone wants 24GB and refuses to run on ARM. What a security student actually needs to buy, and what to skip.

DevToolLab Team·September 14, 2026

TCP vs UDP Explained: Key Differences, Use Cases & When to Use Each (2026)

Guide

12 min

TCP vs UDP Explained: Key Differences, Use Cases & When to Use Each (2026)

A complete guide to TCP vs UDP - understand how they differ, when to use each, how ping and ICMP work (no ports!), a full well-known ports reference, and a step-by-step port forwarding guide.

DevToolLab Team·May 22, 2026