Hi guys, I am working on designing a security system. I need a simulation tool that I can use to generate packets, testing the performance of my firewall, and get results. I already wrote the required coding using C++ language. I found many general network simulation tools such as OPNet and Omnet. I also found a tool called NeSSi2 i.e., dedicated to implement security measures in the simulation. My question is: does anyone have an idea about this tool (NeSSi2) and if it is suitable for simulating my project. If not, could I get suggestions from your experience about the most suitable tool to work on?