A Hands-on Guide to Multi-Tiered Firewall Changes with Ansible and Batfish (Part 1)
IntroductionNow I can say, from experience, that in my opinion one of the most frustratingadmin tasks can be ACL updates on multi-tier firewall environments. Validationof the change and any troubleshooting if an ACL is still missed can be tediousand lengthy. Therefore, I’m delighted today to br…
Rick Donato
A Hands-on Guide to Multi-Tiered Firewall Changes with Ansible and Batfish (Part 2)
IntroductionWelcome back. Previously we introduced ourselves to Ansible and Batfish, alongwith installing the necessary components. We will now look at an exampletopology, and also dive into the different Ansible modules that the Batfish roleprovides us. Note: The code for this guide can be fou…
Rick Donato
A Hands-on Guide to Multi-Tiered Firewall Changes with Ansible and Batfish (Part 3)
IntroductionWelcome back to part 3. We will now look at an example workflow using the stepsand Playbooks previously covered in parts 1 and 2. WorkFlowOur workflow will consist of the following steps: Figure 1 - WorkFlow overview. With regards to the Dev environment. This is our local Batfish…
Rick Donato