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.

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

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

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.

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

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.

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

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.

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

The Institute of Electrical and Electronic Engineers. They are best known for developing standards in the computer and electronics industries.

Transmission Control Protocol used to establish and maintain connections over a computer network.

A three-way communication method using SYN (synchronize), SYN-ACK (synchronize=acknowledge), and ACK (acknowledge) to establishing a connection between hosts.

Transport Layer Security is a security protocol that uses encryption at a lower level of abstraction.

Users try to log in to a website or computer by trying many different usernames and passwords.