Creating a Blackhole DNS with Bind 9

Malware can be delivered many different ways from either advertisements (remember the NY Times malicous ads?) to hacked websites that contain malicious code. One technique designed to help curb these infections is through the use of DNS blackhole. This technique will redirect your internal users to an internal website to block their access. To do so, first install Bind on your Linux server. Then edit your named.conf file which should be located in /etc/bind and enter:

Setting up NAT with CentOS/Red Hat 6

This will be part 1 in a series of configuring CentOS/Red Hat 6 as a secured firewall. Though I am a huge fan of pfSense (which can be found here pfSense), I wanted to build my own from scratch. So, the first part of this series will consist of setting up PAT (or NAT overload for the Cisco geeks) on Linux.

The first step is to configure the network cards.  In this scenario we will use eth0 as the WAN connection and eth1 as the LAN connection.  Refer to the diagram below

Getting Linksys AE2500 to work with Fedora 17

In order to get the AE2500 wireless USB adapter to work you must install ndiswrapper. First, the ndiswrapper-1.57 version is not compatible with the 3.3 or 3.4 version of the Linux kernel so you must install the ndiswrapper-1.58rc1 which is still in test as of this writing. Next, download the AE2500 Windows XP drivers from the Linksys website ( Link ).

Mounting a USB Device In a Xen Guest

Mounting a USB device

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