802.1X Archives

Networking tutorial - IT technology blog

Stop the ‘Open Port’ Risk: Building 802.1X Wired Security with FreeRADIUS

May 14, 2026

Secure your organization's physical network ports. This guide shows you how to use 802.1X and FreeRADIUS to authenticate devices before granting network access.

Networking

Deploying Network Access Control (NAC) with PacketFence: Automate Device Authentication on Wired and Wi-Fi Networks

April 28, 2026

PacketFence is an open-source NAC platform that controls which devices can connect to your wired and Wi-Fi network using 802.1X, RADIUS, and dynamic VLAN assignment. This guide covers installation, switch configuration, Active Directory integration, and deployment tips drawn from a real ransomware incident response.

Networking

Build a Secure Enterprise WiFi with WPA3 and 802.1X on Linux: A hostapd and VLAN Guide

April 20, 2026

Ditch shared WiFi passwords for good. This guide walks you through setting up WPA3-Enterprise and 802.1X on Linux using hostapd and FreeRADIUS for secure, individual user logins and VLAN isolation.