Installing Checkpoint Firewall Gaia R77 OS On Virtual Machine VMWare Workstation.

Contents • • • • • • • • • • • • • • • • • • • • • • Background We are using Checkpoint firewalls in our customer networks at work and are heavily using SmartDashboard and other GUI based tools to manage these firewalls in a large datacenter environments (rulebase of 10k+ firewall rules!) because that is simply our internal standard. However recently there came a push to try to automate a certain aspects of configuring these firewalls because several customer wanted to achieve shorter lead-times at least on few aspects of firewall configurations. And since Checkpoint FWs do not support any real API for managing policies with it, it came down to CLI tools like dbedit, which we will explore here a little for the purpose of learning the practicalities of managing firewall policies with this tool. The firewall automation itself is out of scope of this article, but you should get the idea what needs to be done to achieve it after learning the basics of dbedit. Topology of our LAB and LAB components For this lab I was using and to create my small topology, but your should be perfectly fine to use vmWare workstation with only logical interfaces from it (the vmnetX interfaces it creates) to simulate the same logic, the focus here is to manipulate the FW rules with dbedit tool, so I am not even going to do FW cluster or install Domain Management Systems (MDS) as a typical Checkpoint production environment should have.

Checkpoint LAB topology, using R77.20 release installed inside VirtualBox VM host Checkpoint Components used In regards to Checkpoint software used here, I only used the 15 day trials as these are fully functional for this period and enough for a quick LAB. However even to download these, you need a partners account or any other checkpoint product, so here I need to ask you to check in what way you can download this software as for me it was easy thanks to my employer being a partner with Checkpoint so I have this access. From the following download page for R77.20 of checkpoint: Step 1.

Download • VMWare Virtual Machine OVF Template • SmartDashboard and other GUI management components for Windows Step 2. Unpack & Install R77.20 into VirtualBox VM Unpack the downloaded Check_Point_Security_Gateway_R77.20_T124_OVF_Template_Gaia.tgz, inside will be an OVF packaged virtual machine files that should be easy to import into VirtualBox or vmWare Workstation. Please do so. Afterwards run the VM and follow install wizard. On this point you can do this even without GNS3 or other network around, but since in next steps immediately setting the interfaces, I recommend that you already put this VM in middle of your virtual network to test access to the VM interfaces.

Basic CLI configuration of Checkpoint FW interfaces After your new VM firewall is booted, we are going to configure its interfaces with IPs as basic first step. I am going to use: eth1 – external bridge to GNS3 virtual LAN with 192.168.177.2/24 IP eth0 – internal “host only” adapter that will simulate our corporate intranet with 192.168.125.20/24 IP Open the checkpoint CLI console in VirtualBox and login with the default “admin” username and “admin” password. Set interface eth1 state on Step 4. First time setup via WebGUI Simply open a browser, and go to and complete the first time configuration wizard. It will ask you for very basic things like what packages to install (Select all), if you are installing a Secure Gateway or MDS (here answer that you are installing Secure Gateway) and that this system is either not part or will be part of a VRRP cluster later.

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Simply try to push everything to as much stand-alone minimal firewall deployment possible. Setup initial routing, initial sample ruleset and simple NAT Step 5.1 IPv4 Static Route Routing is practically not needed here, but if nothing else please setup a default gateway (or default route) towards your external inteface next hope (the router on the other side0. This is simply done via the WebGUI -> Ipv4 Static Routes and add it, example below. Basic FW policy structure with managment / base rules / default rules / automated / non-automated and default DENY collector rules In the above ruleset I have created a sample rule (very primitive really) of what we use in production. We have management rules first, then comes base rules (rules needed for servers to operate like logging), then default rules (used for each security zone like default flat access), then new section of automate rules that we want to later work with using dbedit/CLI. Followed by a section of non-automated rules and DENY ANY collector rule. See above the rule index numbers, from this vie it looks like rules are numbered from #1 to #7, however in the dbedit and CLI, these rules are practically indexed starting from #0, but allso the comment sections are using an index, which means that there rules will be in CLI later edited using indexes of #0 – #12 (the DENY ANY rule at the end is practically rule #12 in CLI!!).