3Com 3CR16110-95-US User Guide - Page 14

14 ABOUT THIS GUIDE a network number and a host number, or a network number, a subnet number, and a host number. IP Spoof - A type of DoS attack. An IP spoof uses a fake IP address to bypass security settings which may bar access from the real IP address. IRC - Internet Relay Chat. Provides a way of communicating in real time with people from all over the world. ISP - Internet Service Provider. A business that provides Internet access to individuals or organizations. Firewall - Used in this guide to refer to the SuperStack 3 Firewall. Land Attack - A type of DoS attack. In a Land attack, a packet is sent that appears to come from the same address and port that it is sent to. This can hang the machine to which it is sent. Management Station - This is the workstation from which you run the Web interface for the Firewall. Web interface - This is the Web-based application which you use to set up the Firewall to protect your network from attack and to control access to the Internet for LAN users. NAT - Network Address Translation. NAT refers to the process of converting the IP addresses used within a private network to Internet IP addresses. NTP - Network Time Protocol. This allows the Firewall to automatically set the local time, via an NTP server on the Internet NNTP - Network News Transfer Protocol. This protocol is used to distribute Usenet news articles over the Internet. Ping of Death - A type of DoS attack. The Internet Protocol (IP) defines the maximum size for a Ping packet. However, some Ping programs can send packets that are larger than this size which can cause some systems to crash. PPPoE - PPPoE stands for Point-to-Point Protocol over Ethernet and is based on two widely accepted standards, Point-to-Point Protocol (PPP) and Ethernet. PPPoE is a method for personal computers to connect to a broadband service (typically DSL).