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Proxy server

nounid 3721·updated May 9, 2026
verified

A server that services the requests of its clients by forwarding those requests to other servers.

MWE

Attested in

NIST SP 800-171 Rev 3 - Protecting CUI in Nonfederal Systems1 citation · 1 machine-matched · observed 2026-09-01 under anchor/0.9/36451/2026-09-01
03.01.03 ¶ 2

Classifications

Entity Type

Network95%rule-basedr:entity.network.gear.v1

Sensitivity

unclassified

Information Class

unclassified

Variants

plural
Proxy servers
possessive
Proxy server's
pluralpossessive
Proxy servers'

Framework definitions

SANS Glossary of Security Terms1 senseview framework →
§1
A server that acts as an intermediary between a workstation user and the Internet so that the enterprise can ensure security, administrative control, and caching service. A proxy server is associated with or part of a gateway server that separates the enterprise network from the outside network and a firewall server that protects the enterprise network from outside intrusion.
ISACA Cybersecurity Glossary1 senseview framework →
§1
A server that acts on behalf of a user Scope Note: Typical proxies accept a connection from a user, make a decision as to whether the user or client IP address is permitted to use the proxy, perhaps perform additional authentication, and complete a connection to a remote destination on behalf of the user.
Federal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary1 senseview framework →
§1
An Internet server that controls client computers' access to the Internet. Using a proxy server, a company can stop employees from accessing undesirable websites, improve performance by storing webpages locally, and hide the internal network's identity so monitoring is difficult for external users.
NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →
§1
A server that services the requests of its clients by forwarding those requests to other servers.
CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →
§1
A server that services the requests of its clients by forwarding those requests to other servers.
NIST SP 800-171r31 senseview framework →
§1 · attested_usage_pack_match
No definition is given in NIST SP 800-171r3. The term is attested in use at 1 citation in that document; a definition is pending curation.
Increment 2: attested in 800-171r3 without a glossary definition.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
A server that services the requests of its clients by forwarding those requests to other servers.
DR-088 backfill from the noun definition column

Outgoing relationships

No outgoing triples
This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.