Echo Protocol

E830376

Echo Protocol is a simple network service defined in RFC 862 that sends back any data it receives, primarily used for testing and diagnostic purposes.

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Statements (49)

Predicate Object
instanceOf application layer protocol
network protocol
behavior sends back any data it receives
belongsTo TCP/IP protocol suite NERFINISHED
canBeDisabledForSecurityReasons true
canBeUsedToTest firewall rules
routing configurations
category Internet standard protocol
connectionDirection client-server
connectionlessSupport UDP mode
connectionOrientedSupport TCP mode
dataDirection bidirectional
dataProcessing no interpretation of payload
defaultPortTCP 7
defaultPortUDP 7
definedBy Internet Engineering Task Force NERFINISHED
definedIn RFC 862 NERFINISHED
echoesDataUntil connection closed by client or server
encryptionByDefault false
hasPort 7
IANAServiceName echo
introducedInRFC RFC 862 NERFINISHED
isRequestResponseProtocol true
isSimple true
isStateless true
messageFormat arbitrary binary or text data
operatesAtOSIModelLayer application layer
portType well-known port
primaryPurpose diagnostics
testing
relatedTo Character Generator Protocol NERFINISHED
Discard Protocol NERFINISHED
requiresAuthentication false
requiresConnectionForTCP true
responseTime immediate upon data receipt
RFCStatus Standard
securityFeatures none built-in
specifiedYear 1983
status historic
supportsFullDuplex true
supportsMultipleClients true GENERATED
testScope end-to-end path verification
transportLayerDependency TCP or UDP NERFINISHED
typicalImplementation inetd service on Unix-like systems
usedFor connectivity testing
network troubleshooting
round-trip time observation
usesTransportProtocol TCP NERFINISHED
UDP NERFINISHED

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

RFC 862 specifies Echo Protocol
RFC 862 title Echo Protocol