As one of the newest kinds of firewall, this type offers all of the basic protections listed above, but also has a better view into the application layer. It is capable of understanding what software is operation over the network, and detecting more sophisticated threats. Intrusion detection is also more advanced in this type of firewall.<ref name="Cisco">“What Is a Firewall?” Cisco, 6 Sept. 2017, www.cisco.com/c/en/us/products/security/firewalls/what-is-a-firewall.html. Accessed 7 Sept. 2017.</ref>
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As one of the newest kinds of firewall, this type offers all of the basic protections listed above, but also has a better view into the application layer. It is capable of understanding what software is operating over the network, and detecting more sophisticated threats. Intrusion detection is also more advanced in this type of firewall.<ref name="Cisco">“What Is a Firewall?” Cisco, 6 Sept. 2017, www.cisco.com/c/en/us/products/security/firewalls/what-is-a-firewall.html. Accessed 7 Sept. 2017.</ref>