Primary definition
A special purpose computer on a network where the computer is specifically designed and configured to withstand attacks.
Also known asbastion host computer · bastion server · bastion · jump host · jump server · jump box · gateway host · gateway server · pivot host · pivot server · screened host · exposed host · hardened host · hardened server · edge host · edge server · DMZ host · DMZ server
2 sources cited4 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
A special purpose computer on a network where the computer is specifically designed and configured to withstand attacks.
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Bastion Host. In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/bastion-host
Sources
2 cited · last checked Aug 9, 2026
01
Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015
High consensus
02
The Cyber Glossary
The Cyber Glossary
Multi-source
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