Cisco® Secure Internet Security Solutions

Frequently Asked Questions

Question:	What exactly is a DoS attack?
Answer:	DoS stands for denial of service. A DoS attack is a network-based attack on a server or group of servers that causes the server to deny service to other network requests. This denial can be caused by an overload of the network with physical resources on the server.
Question:	What is NAT?
Answer:	NAT stands for Network Address Translation. It is a method where public IP addresses get translated into private IP addresses for address-hiding purposes. You can create a private network behind a NAT device, such as a router or a firewall, and create static translations between these private addresses and public addresses. This hides the private addresses of the network from the public ...