Daytime Protocol
E728193
Daytime Protocol is a simple, text-based internet service defined in RFC 866 that returns the current date and time to clients connecting to a designated port.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
application layer protocol
ⓘ
internet protocol ⓘ |
| authentication | not supported ⓘ |
| category | time synchronization and reporting protocol ⓘ |
| clientRole | connects to port 13 and reads response ⓘ |
| connectionClosure | server closes connection after sending time string ⓘ |
| connectionDirection | client initiates connection to server ⓘ |
| connectionModel | client-server ⓘ |
| dataFlow | server-to-client only ⓘ |
| defaultTCPPort | 13 ⓘ |
| defaultUDPPort | 13 ⓘ |
| definedInRFC | RFC 866 ⓘ |
| designedFor | testing and measurement of time services ⓘ |
| encryption | not supported ⓘ |
| hasStandardPort | 13 ⓘ |
| IANAServiceName | daytime ⓘ |
| interoperabilityRequirement | clients must handle arbitrary human-readable time formats ⓘ |
| introducedIn | RFC 866 (1983) ⓘ |
| isTextBased | true ⓘ |
| layer | application layer ⓘ |
| modernUsage | rare ⓘ |
| portAssignmentAuthority | IANA NERFINISHED ⓘ |
| protocolNumber | RFC 866 NERFINISHED ⓘ |
| relatedProtocol |
Network Time Protocol
NERFINISHED
ⓘ
Time Protocol ⓘ |
| reliabilityWithTCP | reliable delivery of time string ⓘ |
| reliabilityWithUDP | unreliable, best-effort delivery ⓘ |
| requiresClientRequestData | false ⓘ |
| responseFormat | implementation-dependent human-readable date and time ⓘ |
| returns | current date and time ⓘ |
| securityFeatures | none ⓘ |
| serverRole | returns a human-readable date and time string ⓘ |
| serviceType | time reporting service ⓘ |
| simplicity | stateless, single-line response ⓘ |
| standardBody | IETF NERFINISHED ⓘ |
| status | historic ⓘ |
| supersededBy |
Network Time Protocol
NERFINISHED
ⓘ
more secure time synchronization mechanisms ⓘ |
| supportsMultipleResponsesPerConnection | false GENERATED ⓘ |
| transportProtocol |
TCP
NERFINISHED
ⓘ
UDP NERFINISHED ⓘ |
| triggerForResponse | successful connection to port 13 ⓘ |
| typicalImplementation | simple daemon on TCP/UDP port 13 ⓘ |
| useCase |
diagnostic testing of network connectivity
ⓘ
simple time query ⓘ |
| usesCharacterEncoding | ASCII NERFINISHED ⓘ |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.