In this short tutorial let’s configure a DHCP server on a Cisco Router. Why would we want to do that? Well configuring a basic DHCP server on a router is a good idea if this is a branch/satellite office or just a small business. There are some pros and cons of configuring DHCP on a Cisco Router so let’s briefly discuss them and then start configuring. Continue reading
Google Chrome OS is back in the news, and today I thought why not try out the release candidate and see what Chrome OS does. Now I went right to the source when I downloaded Chrome OS (Download Google Chrome OS http://getchrome.eu/) and not to bash Chrome already but I honestly thought this is just another Linux box when I finished installing it. I really saw no difference between Google Chrome OS and Ubuntu besides the blue, but let’s continue and go right into the install process. Continue reading
BackTrack is Linux network security audit tool for security professionals. This tool is used for testing and penetrating networks. That being said This tutorial is for educational use only. This is meant only to teach that WEP is an insecure option, and is recommend to use a harder encryption. Using this tutorial on a network that you do not have permission to access or is not yours, could be illegal! Continue reading
This is a full install of BackTrack 4 this can be in a virtual machine, dual-boot, or the main OS. So you burned the image that you downloaded from http://www.backtrack-linux.org/ and are ready to go! If not I would recommend you do that first. BackTrack is a Linux penetration testing for network security. This is a free tool that IT administrators can use to audit their network.
Although using hardware firewalls are an excellent step forward when securing your network. They can cost money and are not cheap to set up and configure. Using CBAC is built-into the Cisco IOS router and helps filter those unwanted protocols that are in your network. When setting up routers as firewalls you have some choices like using CBAC the “Classic” firewall, or zone based policy (ZBF). Today we will talk about CBAC and how to understand the core components of what make CBAC possible. Continue reading
