I like that it can be easily integrated with other products, as well for ease of use within its own product line. It's pretty intuitive and easy to figure out how to get around in. The interface could look nicer overall, but that is nitpicking. There are some issues related to getting alerts from certain applications through PF. If you're looking for an IPS/IDS solution, this one has what your looking for. We've been using private firewall primarily at our office location to provide secure access between employees and VPN connections throughout enterprise. I like how easy it is to use,it has all that i need for my business,and its very cheap! nothing so far,i have not found anything bad about this product. The price of private firewall is really low compared to other products in the market,its also very user friendly which makes things easier when using it.I recommend anyone who wants an affordable tool with great features should give it a try. It helps me protect our network from threats such as viruses,malware/spywares etc.