2.3.2 and 2.3.3 Cyber Stopping Malware and Server Attacks

A small local area network of computers and devices.

• WAN

• LAN

• TCP

• routing table

Data that is stored in a router in table format. It contains addresses of known networks (other routers), ones that have already been discovered and used.

• WAN

• TCP

• LAN

• routing table

Refers to the action of watching and analyzing network traffic at the packet level.

• TCP

• LAN

• packet sniffer

• router table

In network security, it allows or denies packets based on source and destinations addresses, ports, or protocols.

• packet filtering

• router table

• packet sniffing--not this one

• Wireshark

Is a unique numeric code that is assigned to networking hardware components (typically a network interface card or NIC) that is built into computers and mobile devices.

• packet sniffer

• MAC address

• packer filtering

• router table

A part of a process or system that is seen by the user and typically provides functionality to the user.

• back end

• front end

• pcap file

• LAN

A part of a process or system that is not seen by the user. It provides a supporting function on behalf of the main process.

• pcap file

• front end

• packet sniffer

• back end

A Wireshark data capture file that contains packet information of network traffic.

• back end

• front end

• pcap file

• packet bytes

A base-16 number system. The extra digits are represented by the letters a through f, so all digits in hex are 0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f.

• hexadecimal

• OUI

• NIC

• front end

The Organizationally Unique Identifier is the first half of the MAC address, designating the manufacturer of the network device.

• pcap file

• hexadecimal

• NIC

• OUI