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Category: Security

Configuring 802.1x with FreeRADIUS and Cisco WLC

Configuring 802.1x with FreeRADIUS and Cisco WLC

There have been many lengthy articles written about how to install and configure 802.1x and FreeRADIUS for access points. This post is mainly for my own sake, but if anyone else finds this useful, great! My setup contains of FreeBSD 9.3 with a FreeRADIUS3 installed, Cisco Virtual Wireless Controller running on VMware, a lightweight access point, and finally a Windows 7 laptop. FreeRADIUS First of all, configuring FreeRADIUS3 is very simple, since it’s designed to be working right of the…

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Installing Snort on a flash based FreeBSD system

Installing Snort on a flash based FreeBSD system

For some years I have run Snort on my main server, along with Apache, bind etc and this solution has the obvious limit to only check traffic accessing the server. In a perfect world, it should be placed either before or behind the router/firewall so all traffic to the internal network is examined. This can be accomplished by various techniques, such as getting a passive network tap or using a hub. Since I already had an ITX system, Alix 2D3,…

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Alix2C2 as a firewall with M0n0wall

Alix2C2 as a firewall with M0n0wall

For some time I have been pondering the option of getting a stand-alone router/firewall, since the combined modem/router provided by my ISP has some drawbacks (very rudimentary logging, max 10 ports forwarded etc). A few years back, I used my main multi-homed server (running FreeBSD 4.5 at that time) as a gateway/firewall. What I did like about it was the configurability and the logging options, but when I retired that box and moved FreeBSD over to a virtual machine, I…

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