![]() Firewall Builder generates correct PIX translation rules, choosing between ‘nat’, ‘global’ and ‘static’ commands as appropriate, using the same definition of the NAT rules as it uses for iptables and PF. It can pick the right iptables target for both policy and NAT (Network Address Translation) rules as well as properly use most popular iptables modules, all automatically. For example, it can decide which iptables chain is right for each generated iptables rule, automatically, without your input. Firewall Builder runs on many popular operating systems including Red Hat, Mandrake, SUSE, FreeBSD, MacOS X and even Windows.Firewall Builder provides a high level of abstraction and hides the internal structure of the target firewall platform. Firewall Builder, also known as fwbuilder, is a universal GUI based firewall configuration and management tool that supports iptables (Netfilter), ipfilter, pf, ipfw, Cisco PIX and CISCO routers’ extended access lists, allowing network and sysadmins managing bigger networks or hobbyists managing home based networks to simplify management tasks. Built-in policy installer uses ssh to copy generated policy to the firewall or router and activate it. Existing configuration can be imported for iptables and Cisco IOS access lists. It currently supports iptables, ipfilter, ipfw, OpenBSD pf and Cisco PIX. The GUI and policy compilers are completely independent, this provides for a consistent abstract model and the same GUI for different firewall platforms. It helps users maintain a database of objects and allows policy editing using simple drag-and-drop operations. It consists of a GUI and set of policy compilers for various firewall platforms. Firewall Builder is a multi-platform firewall configuration and management system. In order to get a working, updated Fwbuilder installed on Ubuntu, follow these steps (You will either have to su to the root user or use sudo for this to work. However, if you’re installing Fwbuilder on Ubuntu, the package that will install is out of date and will not work. Installation of Fwbuilder is as simple as searching for “fwbuilder” (no quotes) in your Add/Remove Software tool (such as Package-Kit, Synaptic, etc) and marking Fwbuilder for installation. Let’s take a look at using Fwbuilder on Linux, which might just become a life-long affair with a powerful security system. Fwbuilder supports a wide range of firewalls (Cisco ASA/PIX, Linux iptables, FreeBSD’s ipfilter, OpenBSD’s pf, and more), so its rules can be deployed on multiple platforms. Fwbuilder is a unique graphical firewall tool that allows the user to create objects and then drag and drop those objects into firewalls, to build a powerful security system for a single PC or a network of PCs.
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