Unidirectional Gateway

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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

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.

Information Technology Laboratory

Computer Security Resource Center

Computer Security Resource Center

Unidirectional Gateway

Glossary Comments