McAfee firewall 2.1-getting started Benutzerhandbuch

Getting Started

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A data field in a packet header that specifies either the sender or the intended 
receiver of the packet.  Note that computers can often see data packets that are 
not intended for them.

The person responsible for handling computer configurations as well as 
support.

The action to take on a packet.  Block means the packet is not sent/received.  
Allow means it is sent/received.

Address Resolution Protocol.

 

The property of verifying that a person or system is who or what it claims to 
be. This can be achieved via Virtual Private Networks.

Short for "Back Orifice", a trojan remote control program. This program is 
designed to illustrate the serious security breaches that are possible when 
using the Windows operating systems. It has been used to cause a lot of 
mischief and damage. BO’s default setup is to listen on UDP port 31337. 

An attack program that exploits the security implementation weakness of 
Microsoft’s TCP/IP. Starting with the IP address and a good guess of a TCP 
connection running (particularly on IRC or using PPTP), the attack finds the 
TCP packet sequence numbers and then attempts to close the connection by 
spoofing a "disconnect" packet.

A message addressed to all computers on a specified subnetwork.