RFC 2449
E184116
RFC 2449 is an Internet standards document that extends the POP3 email protocol with additional capabilities and commands to improve flexibility and interoperability.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RFC 2449 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1631475 — 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 2449 Context triple: [RFC 1939, obsoletedBy, RFC 2449]
-
A.
RFC 2419
RFC 2419 is an earlier Internet standard related to secure shell (SSH) protocols that was later superseded by RFC 4253.
-
B.
RFC 2467
RFC 2467 is an Internet Engineering Task Force (IETF) standards document that originally specified aspects of IPv6 over certain network technologies before later being superseded by RFC 6557.
-
C.
RFC 1939
RFC 1939 is the Internet standard document that specifies the Post Office Protocol version 3 (POP3) used for retrieving email from a mail server.
-
D.
RFC 4254
RFC 4254 is the Internet standard that specifies the Secure Shell (SSH) connection protocol, defining how multiple logical channels are multiplexed over a single encrypted SSH transport.
-
E.
RFC 4250
RFC 4250 is an Internet Engineering Task Force (IETF) document that defines and registers protocol parameters and message numbers used by the Secure Shell (SSH) protocol suite.
- 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 2449 Target entity description: RFC 2449 is an Internet standards document that extends the POP3 email protocol with additional capabilities and commands to improve flexibility and interoperability.
-
A.
RFC 2419
RFC 2419 is an earlier Internet standard related to secure shell (SSH) protocols that was later superseded by RFC 4253.
-
B.
RFC 2467
RFC 2467 is an Internet Engineering Task Force (IETF) standards document that originally specified aspects of IPv6 over certain network technologies before later being superseded by RFC 6557.
-
C.
RFC 1939
RFC 1939 is the Internet standard document that specifies the Post Office Protocol version 3 (POP3) used for retrieving email from a mail server.
-
D.
RFC 4254
RFC 4254 is the Internet standard that specifies the Secure Shell (SSH) connection protocol, defining how multiple logical channels are multiplexed over a single encrypted SSH transport.
-
E.
RFC 4250
RFC 4250 is an Internet Engineering Task Force (IETF) document that defines and registers protocol parameters and message numbers used by the Secure Shell (SSH) protocol suite.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Internet standard
ⓘ
POP3 extension specification ⓘ Request for Comments ⓘ |
| abbreviation | POP3 ⓘ |
| aimsTo |
improve POP3 flexibility
ⓘ
improve POP3 interoperability ⓘ |
| appliesTo |
POP3 clients
ⓘ
POP3 servers ⓘ |
| area | Applications ⓘ |
| category |
Email protocol specification
ⓘ
IMAP ⓘ
surface form:
Internet Message Access and Retrieval
|
| defines |
AUTH command usage for POP3
ⓘ
CAPA command ⓘ LOGIN-DELAY capability ⓘ PIPELINING capability ⓘ POP3 capability negotiation ⓘ POP3 capability response format ⓘ POP3 extension mechanism ⓘ RESP-CODES capability ⓘ SASL capability ⓘ STLS command ⓘ TOP capability ⓘ UIDL capability ⓘ USER capability ⓘ backward-compatible POP3 extensions ⓘ mechanism for optional POP3 features ⓘ semantics for POP3 capability negotiation ⓘ syntax for POP3 capability names ⓘ |
| extendsProtocol | POP3 ⓘ |
| language | English ⓘ |
| networkLayer | application layer ⓘ |
| partOfSeries |
RFCs
ⓘ
surface form:
RFC series
|
| protocol |
POP3
ⓘ
surface form:
Post Office Protocol version 3
|
| publishedBy |
Internet Engineering Task Force
ⓘ
surface form:
IETF
Internet Engineering Task Force ⓘ |
| standardizes |
advertisement of server capabilities in POP3
ⓘ
use of SASL authentication with POP3 ⓘ use of TLS with POP3 via STLS ⓘ |
| standardsBody | Internet Engineering Task Force ⓘ |
| status | Proposed Standard ⓘ |
| subject |
Internet email
ⓘ
application-layer protocols ⓘ |
| title |
POP3
ⓘ
surface form:
POP3 Extension Mechanism
|
| updatesSpecificationOf | POP3 ⓘ |
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 2449 Description of subject: RFC 2449 is an Internet standards document that extends the POP3 email protocol with additional capabilities and commands to improve flexibility and interoperability.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.