Open Source Software and Linux:

Firewalls

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February 11, 2009  6:47 PM

How secure is your network? (Part 1)



Posted by: Xjlittle
crackers, Firewalls, hackers, network, Security, ssh

After reading this article I began to wonder how secure my home network really is. After giving the article much thought I concluded that my home network is probably not as secure as I would want. Sure it's secure, probably above and beyond...

December 13, 2008  10:59 PM

Adding the iptables firewall to the Xen domU (part 2)



Posted by: Xjlittle
centos, dom0, domU, Firewalls, iptables, Linux, pciback, red hat, xen

In my last column we set up a physical NIC in our Xen domU to expose it to the internet and setup our iptables firewall. At this point you should have 2 interfaces in your domU. One should be facing the internet and have an IP Address assigned from your ISP. The other should be a typical Xen...


November 17, 2008  6:32 PM

Setting up your firewall on domU with iptables



Posted by: Xjlittle
centos 5, dom0, domU, domU firewall, Firewalls, iptables, pciback, xen

As discussed in an earlier post you must first hide your NIC from dom0 to set up your iptables firewall on your domU. After you have successfully hidden the NIC from dom0 then we can proceed to our domU firewall setup. You must first decide which domU that you are going to use for a firewall. ...


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