Chapter 7 – Delving into Network and Security Concepts

1. The web application firewall is normally installed on or before a web server as its job is to protect web applications from attack.
2. Implicit Deny is used by both the firewall and the router. If there is no allow rule, they get the last rule, which is deny all. This is known as Implicit Deny.
3. Unified Threat Management (UTM) is a firewall that provides value for money as it can provide URL filtering, content filtering, and malware inspection, as well as firewall functionality.
4. A router connects different networks and works at Layer 3 of the OSI reference model.
5. A switch connects users on an internal network, normally in a star topology. It works at the data link layer.
6. A Network Address Translator (NAT) hides the internal network from those on the external network.
7. An inline NIPS screens incoming traffic as it flows through it.
8. A Host-Based IPS (HIPS) is installed inside the guest...