Packet Analysis and Network Protocols

Flashcards focusing on key concepts and vocabulary related to packet analysis and network protocols.

Packet Analysis

The process of capturing packets and reading the data within them, using software like packet sniffers.

Network Protocols

The primary languages of communication in networks, including TCP, IP, ARP, and DHCP.

Wireshark

The most popular network protocol analyzer that captures and displays packets obtained over networks.

tcpdump

A command line packet analyzer that allows users to display and capture TCP packets on a network interface.

Snort

An intrusion detection system that analyzes packets to detect suspicious activity.

NetFlow

A protocol to collect IP traffic information in a network, useful for analyzing flow data.

Troubleshooting

The application of packet analysis to identify packet loss and disruptions in a network.

Security

Using packet analysis to discover attacks and enhance the security features of networks.

Forensics

Applying packet analysis to investigate network failures and security vulnerabilities.

Pattern Matching

A technique in packet analysis that selects packets based on a specified constant.

Protocol Field Parsing

The method of interpreting contents of protocol headers within packets.

Packet Filtering

Classifying packets based on their metadata.