Open Source Software and Linux:

domU firewall

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December 12, 2008  7:56 PM

Setting up a physical NIC for a firewall on a Xen domU (Part 1)



Posted by: Xjlittle
centos, dom0, domU, domU firewall, pciback, red hat, Virtualization, xen, xen firewall

Recently I brought up a new Xen server that needed an iptables firewall on a domU. My first thought had been to setup the firewall on dom0 but that turned out to be a difficult task because of all of the virtual interfaces that are created. Red Hat/Centos also installs a set of rules by default...

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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