Biology homework help. Smoothwall is one example of a firewall application. This week, you will discuss three advantages and three disadvantages of the SmoothWall firewall application and contrast it with one additional firewall application of your choice. Examine the smoothwall firewall application and compare it to another application. Explain which application is superior to the other. Also, select and examine two VPN appliances. List and describe three advantages and three disadvantages of each of the two VPN appliances. Which application is superior to the other? Explain why.