ConceptsPacket

Packet

The unit of data routed across networks at the network layer, carrying a payload plus addressing (IP) so it can travel from source to destination. Packets are fundamental units defenders inspect and analyze.

Glossary definition

11 direct links8 lessons

Concept Neighborhood

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IP Address

Hand-picked as this concept's most natural companion.

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Curated pairinghand-picked as a natural companion

IP AddressStart here

An IP address is a network address used to identify a device or service so traffic can be routed to it.

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Relatedsorted by lesson coverage

Encapsulation

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Frame

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IP Addresses

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OSI Model

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Ephemeral Ports

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ICMP

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Show 4 more connections

Connection State

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Network Evidence

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Routing

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Routing Tables

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Related Lessons

8 lessons cover this concept

Network Layers and Why They Matter

General Beginner

Network Identity: IP Addresses, MAC Addresses, and Attribution

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Ports, Protocols, and Services

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DNS Resolution and Name-to-Address Mapping

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NAT, Routing, and Traffic Paths

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Firewalls and Segmentation

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Common Application Protocols and Defender Relevance

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Thinking About Networks Like a Defender

General Beginner