Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

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Unidirectional Gateway

Abbreviation(s) and Synonym(s):

None

Definition(s):

  Unidirectional gateways are a combination of hardware and software. The hardware permits data to flow from one network to another, but is physically unable to send any information at all back into the source network. The software replicates databases and emulates protocol servers and devices.
Source(s):
NIST SP 800-82 Rev. 2