RFC 3207
E52728
RFC 3207 is the Internet standard that specifies the STARTTLS extension for upgrading plain text email connections to use TLS encryption in SMTP.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RFC 3207 canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T338836 — 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 3207 Context triple: [STARTTLS, definedIn, RFC 3207]
-
A.
RFC 3417
RFC 3417 is an Internet standard that specifies the transport mappings for the Simple Network Management Protocol (SNMP), defining how SNMP messages are carried over various network protocols such as UDP.
-
B.
RFC 3720
RFC 3720 is the Internet Engineering Task Force (IETF) standard that specifies the Internet Small Computer Systems Interface (iSCSI) protocol for transporting SCSI commands over IP networks.
-
C.
RFC 3410
RFC 3410 is an informational RFC that provides an overview, framework, and goals for the Simple Network Management Protocol version 3 (SNMPv3) and its related specifications.
-
D.
RFC 3416
RFC 3416 is an Internet standard that specifies the protocol operations for the Simple Network Management Protocol (SNMP), defining how management data is exchanged between network devices and management systems.
-
E.
RFC 3415
RFC 3415 is an Internet standard that specifies the View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP), defining how access to management information is controlled.
- 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 3207 Target entity description: RFC 3207 is the Internet standard that specifies the STARTTLS extension for upgrading plain text email connections to use TLS encryption in SMTP.
-
A.
RFC 3417
RFC 3417 is an Internet standard that specifies the transport mappings for the Simple Network Management Protocol (SNMP), defining how SNMP messages are carried over various network protocols such as UDP.
-
B.
RFC 3720
RFC 3720 is the Internet Engineering Task Force (IETF) standard that specifies the Internet Small Computer Systems Interface (iSCSI) protocol for transporting SCSI commands over IP networks.
-
C.
RFC 3410
RFC 3410 is an informational RFC that provides an overview, framework, and goals for the Simple Network Management Protocol version 3 (SNMPv3) and its related specifications.
-
D.
RFC 3416
RFC 3416 is an Internet standard that specifies the protocol operations for the Simple Network Management Protocol (SNMP), defining how management data is exchanged between network devices and management systems.
-
E.
RFC 3415
RFC 3415 is an Internet standard that specifies the View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP), defining how access to management information is controlled.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
Internet standard
ⓘ
Request for Comments ⓘ |
| appliesTo |
SMTP clients
ⓘ
SMTP servers ⓘ email transport security ⓘ |
| category | Standards Track ⓘ |
| defines |
SMTP EHLO extension for TLS negotiation
ⓘ
STARTTLS ⓘ
surface form:
SMTP service extension keyword STARTTLS
mechanism to upgrade a plain text SMTP connection to TLS ⓘ |
| obsoletes | RFC 2487 ⓘ |
| protocol |
SMTP
ⓘ
surface form:
Simple Mail Transfer Protocol
|
| publishedBy |
Internet Engineering Task Force
ⓘ
surface form:
IETF
Internet Engineering Task Force ⓘ |
| relatedTo |
SMTP security extensions
ⓘ
TLS in application protocols ⓘ email encryption ⓘ |
| securityProperty |
confidentiality of SMTP sessions
ⓘ
integrity of SMTP sessions ⓘ optional client authentication in SMTP ⓘ server authentication in SMTP ⓘ |
| specifies |
STARTTLS
ⓘ
surface form:
STARTTLS extension for SMTP
behavior after successful TLS negotiation in SMTP ⓘ error handling for failed TLS negotiation in SMTP ⓘ requirements for advertising STARTTLS in SMTP ⓘ |
| standardizes | use of TLS in SMTP via STARTTLS ⓘ |
| title | SMTP Service Extension for Secure SMTP over Transport Layer Security ⓘ |
| updates | SMTP protocol ⓘ |
| uses |
TLS
ⓘ
surface form:
Transport Layer Security
|
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 3207 Description of subject: RFC 3207 is the Internet standard that specifies the STARTTLS extension for upgrading plain text email connections to use TLS encryption in SMTP.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.