RFC 4954
E212795
RFC 4954 is an Internet standard that specifies the SMTP Authentication (SMTP AUTH) extension, enabling secure client authentication when sending email.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RFC 4954 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1866890 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: RFC 4954 Context triple: [SMTP AUTH, definedIn, RFC 4954]
-
A.
RFC 5034
RFC 5034 is an Internet standard that extends the Post Office Protocol version 3 (POP3) to support Simple Authentication and Security Layer (SASL) mechanisms for enhanced email authentication and security.
-
B.
RFC 2449
RFC 2449 is an Internet standards document that extends the POP3 email protocol with additional capabilities and commands to improve flexibility and interoperability.
-
C.
RFC 3414
RFC 3414 is an Internet standard that specifies the User-based Security Model (USM) for securing SNMPv3 communications, including authentication and privacy mechanisms.
-
D.
RFC 4034
RFC 4034 is an Internet standards document that specifies the DNS Security Extensions (DNSSEC) resource records and their formats used to provide authentication and integrity for DNS data.
-
E.
RFC 4844
RFC 4844 is an Internet Engineering Task Force (IETF) document that defines the framework and responsibilities of the RFC Editor function within the RFC Series.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: RFC 4954 Target entity description: RFC 4954 is an Internet standard that specifies the SMTP Authentication (SMTP AUTH) extension, enabling secure client authentication when sending email.
-
A.
RFC 5034
RFC 5034 is an Internet standard that extends the Post Office Protocol version 3 (POP3) to support Simple Authentication and Security Layer (SASL) mechanisms for enhanced email authentication and security.
-
B.
RFC 2449
RFC 2449 is an Internet standards document that extends the POP3 email protocol with additional capabilities and commands to improve flexibility and interoperability.
-
C.
RFC 3414
RFC 3414 is an Internet standard that specifies the User-based Security Model (USM) for securing SNMPv3 communications, including authentication and privacy mechanisms.
-
D.
RFC 4034
RFC 4034 is an Internet standards document that specifies the DNS Security Extensions (DNSSEC) resource records and their formats used to provide authentication and integrity for DNS data.
-
E.
RFC 4844
RFC 4844 is an Internet Engineering Task Force (IETF) document that defines the framework and responsibilities of the RFC Editor function within the RFC Series.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Internet standard
ⓘ
Request for Comments ⓘ |
| abbreviation | SMTP AUTH ⓘ |
| appliesTo |
email clients
ⓘ
mail submission agents ⓘ mail transfer agents ⓘ |
| area | Applications Area ⓘ |
| category | Standards Track ⓘ |
| defines |
SMTP AUTH
ⓘ
surface form:
SMTP AUTH extension
SMTP AUTH ⓘ
surface form:
SMTP Authentication
|
| definesCommand | AUTH ⓘ |
| definesReplyCode |
235
ⓘ
334 ⓘ 432 ⓘ 454 ⓘ 534 ⓘ 535 ⓘ 538 ⓘ |
| documentType | Standards-track RFC ⓘ |
| doesNotDefine |
message encryption
ⓘ
message integrity protection ⓘ |
| enables |
client authentication for email submission
ⓘ
secure client authentication when sending email ⓘ |
| extends |
SMTP
ⓘ
surface form:
ESMTP
|
| focusesOn | authentication in SMTP ⓘ |
| goal | prevent unauthorized use of SMTP servers for message submission ⓘ |
| intendedUse |
email client to mail server authentication
ⓘ
submission of email by authenticated users ⓘ |
| language | English ⓘ |
| obsoletes | RFC 2554 ⓘ |
| protocol |
SMTP
ⓘ
surface form:
Simple Mail Transfer Protocol
|
| publishedBy |
Internet Engineering Task Force
ⓘ
surface form:
IETF
Internet Engineering Task Force ⓘ |
| relation | part of the ESMTP extension framework ⓘ |
| securityConsiderations |
discusses protection of authentication credentials
ⓘ
recommends use of TLS with SMTP AUTH ⓘ |
| specifies |
AUTH SMTP service extension
ⓘ
mechanism negotiation for SMTP authentication ⓘ use of SASL mechanisms with SMTP ⓘ use of the AUTH command in SMTP ⓘ |
| status | Proposed Standard ⓘ |
| stream | IETF Stream ⓘ |
| title |
SMTP AUTH
ⓘ
surface form:
SMTP Service Extension for Authentication
|
| updatesProtocol | SMTP ⓘ |
| uses |
SASL
ⓘ
SASL ⓘ
surface form:
Simple Authentication and Security Layer
|
| workingGroup | IETF ESMTP Working Group ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: RFC 4954 Description of subject: RFC 4954 is an Internet standard that specifies the SMTP Authentication (SMTP AUTH) extension, enabling secure client authentication when sending email.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.