This tool should keep you from having to manually find and associate MAC addresses. To use that tool go to the Tool menu and select Discovery Druid. Fwbuilder has built in SNMP discovery which will help to map out the various interfaces on your network. You will need to know the MAC addresses of your interfaces. Here's the kicker with configuring your firewalls manually. Once your firewall is built you must then save the firewall, compile the firewall, and install the rules. At this point you would add objects as needed and configure those objects to suit your needs. Instead you would leave that option unchecked and then, in the next window, choose to "Configure Interfaces Manually". If you want to create a custom firewall you would go through the same process but, at the point where you are defining your firewall you wouldn't choose the Preconfigured Template. In the image to the right you can see the details of the policy included with the single interface firewall template. This is one of those that you chose based on a specific, yet simple, need. fwbuilder policy editorīecause this is a template you can not edit the objects. To do this click the "Policy" listed (once you expand the firewall) which will reveal the policy in all its glory. Say you want to view the Policy of this firewall (remember this was created from a template so there are already rules applied). The first thing you can do is expand the name of the firewall (in my example I would Example_Firewall) and select the object you want to view. Now fwbuilder will be open so you can view your template. As you click on each template a full description will reveal itself in the bottom pane.Īfter you select the proper template click the Finish button. Each template serves a different purpose. Once you click next you will see a list of different templates available. Once you have taken care of this information click Next. If you select this you will have to choose your template. Now, if you want to go the really easy route you can select to insert preconfigured template for your firewall. I will name my firewall "Example_Firewall", I will choose iptables from the software list, and Linux 2.4/2.6 for the OS. When you select that a wizard will open up asking for a name for your firewall, what software will run the firewall, and what OS the firewall will run on. The first object you must insert into your object file is the Firewall. Click that drop-down to reveal the list of all object to insert. As you can see, in the image to the left, the drop-down icon to the left of the User drop-down is what you click to insert a new object into your object file. Once you have done this you are ready to start building. You have to give your object file a name and then save it. When you fire up fwbuilder you might find yourself thinking "Where do I start?" The first thing to do is go to the File menu and select New Object File. To start up fwbuilder you will find the menu entry in Applications | Administration (under KDE) or in System | Administration (under GNOME). Time is just as it says, time (such as day of the week or a specific time.) Services are protocols or (as the name implies) services. The fwbuilder tool builds iptables rulesets but does so by treating each element of the individual rule as an object, a service, or a time. That was then, this is now and in the now there are graphical front ends to help you build a firewall without having to issue a single command from the command line.
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