Networking lab setup with UNetLab

UNetLab, short for Unified Networking Lab, is a Linux distribution that allows you to build your own networking labs. UNetLab can be seen as a hypervisor for images that are usually run on physical networking equipment or inside separate virtual machines. I wanted to incorporate setting up UNetLab in another article but decided to award the setup process with its own post.

UNetLab logo

UNetLab logo


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FortiGate Interface Ping Issue

I came across some curious behavior on a FortiGate firewall that seems worth sharing. The deal is that interfaces will only send back an echo reply if there is an admin user that has a trusted host network corresponding with the subnet configured on that interface. Read on for the details.
Fortinet Logo
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Building a redundant firewall with PfSense and CARP

This post is about building a redundant firewall with PfSense by utilizing CARP (Common Address Redundancy Protocol). PfSense is an open source firewall with enterprise features. PfSense is typically found at the edge of a network, but it can also be used to provide internal isolation. Both physical and virtual installations are supported.
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