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IT Dictionary

Clear, practical definitions to understand network, security, systems and IT vocabulary.

Filter by topic 63 topics
7matching definitions · 1,058 in the dictionary Clear filters
DEFINITION

L2TP

Layer 2 Tunneling Protocol transports Layer 2 sessions across IP networks and is often combined with IPsec when encryption is needed.

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DEFINITION

LLDP

A protocol allowing neighbouring network equipment to announce itself between them.

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DEFINITION

LLMNR

Link-Local Multicast Name Resolution resolves names on a local network segment without DNS but can expose systems to spoofing attacks.

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