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IT Dictionary

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

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

GitOps

GitOps treats version-controlled declarative configuration as the source of truth, with controllers reconciling the live environment.

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DEFINITION

GLBP

Cisco Gateway Load Balancing Protocol provides a virtual default gateway and can distribute client traffic across multiple routers.

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DEFINITION

GPO

A group strategy used to automatically apply parameters to Active Directory users and computers.

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DEFINITION

GRE

GRE is a concept or mechanism used in network & vpn to encapsulate different protocols in an IP tunnel.

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DEFINITION

GRE Tunnel

A GRE tunnel encapsulates network packets inside IP to carry traffic between endpoints; GRE does not provide encryption on its own.

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DEFINITION

Hairpin NAT

Hairpin NAT allows internal clients to reach an internal service through its public address using appropriate address translation.

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