SSL 2.0
E6788
SSL 2.0 is an early, now-obsolete version of the Secure Sockets Layer protocol that provided encrypted communication over networks before being replaced by more secure successors like TLS.
All labels observed (4)
| Label | Occurrences |
|---|---|
| SSL 2.0 canonical | 7 |
| SSL 2.0 is insecure | 1 |
| SSL 2.0 is obsolete | 1 |
| Secure Sockets Layer version 2.0 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T63851 — 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: SSL 2.0 Context triple: [TLS, successorTo, SSL 2.0]
-
A.
SSL 3.0
SSL 3.0 is an obsolete cryptographic protocol that once secured internet communications and served as the foundation for the early versions of TLS.
-
B.
RFC 5246
RFC 5246 is the Internet Engineering Task Force (IETF) standard that specifies Transport Layer Security (TLS) version 1.2, a widely used protocol for securing communications over computer networks.
-
C.
TLS
TLS (Transport Layer Security) is a cryptographic protocol that secures data transmitted over networks by providing encryption, authentication, and integrity between communicating applications.
-
D.
Wired Equivalent Privacy
Wired Equivalent Privacy (WEP) is an early and now largely obsolete Wi‑Fi security protocol known for its weak encryption and significant vulnerabilities.
-
E.
Diffie–Hellman key exchange
Diffie–Hellman key exchange is a foundational cryptographic protocol that enables two parties to securely establish a shared secret over an insecure communication channel.
- 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: SSL 2.0 Target entity description: SSL 2.0 is an early, now-obsolete version of the Secure Sockets Layer protocol that provided encrypted communication over networks before being replaced by more secure successors like TLS.
-
A.
SSL 3.0
SSL 3.0 is an obsolete cryptographic protocol that once secured internet communications and served as the foundation for the early versions of TLS.
-
B.
RFC 5246
RFC 5246 is the Internet Engineering Task Force (IETF) standard that specifies Transport Layer Security (TLS) version 1.2, a widely used protocol for securing communications over computer networks.
-
C.
TLS
TLS (Transport Layer Security) is a cryptographic protocol that secures data transmitted over networks by providing encryption, authentication, and integrity between communicating applications.
-
D.
Wired Equivalent Privacy
Wired Equivalent Privacy (WEP) is an early and now largely obsolete Wi‑Fi security protocol known for its weak encryption and significant vulnerabilities.
-
E.
Diffie–Hellman key exchange
Diffie–Hellman key exchange is a foundational cryptographic protocol that enables two parties to securely establish a shared secret over an insecure communication channel.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
cryptographic protocol
ⓘ
network security protocol ⓘ obsolete protocol ⓘ |
| abbreviationFor |
SSL 2.0
self-linksurface differs
ⓘ
surface form:
Secure Sockets Layer version 2.0
|
| belongsToCategory |
Internet protocols
ⓘ
transport layer security protocols ⓘ |
| designedFor |
encrypted communication over computer networks
ⓘ
securing HTTP traffic ⓘ securing TCP connections ⓘ |
| developedBy |
Netscape Communications Corporation
ⓘ
surface form:
Netscape Communications
|
| disabledByDefaultIn |
modern web browsers
ⓘ
modern web servers ⓘ |
| enables |
confidentiality
ⓘ
integrity ⓘ server authentication ⓘ |
| follows | SSL 1.0 ⓘ |
| hasProperty |
does not protect the integrity of the handshake
ⓘ
no support for strong modern ciphers ⓘ supports only server authentication by default ⓘ vulnerable to man-in-the-middle attacks ⓘ vulnerable to truncation attacks ⓘ weak MAC construction ⓘ weak key material generation ⓘ |
| hasVersionNumber | 2.0 ⓘ |
| historicalRole |
early standard for securing web traffic
ⓘ
foundation for later SSL and TLS versions ⓘ |
| introducedInYear | 1995 ⓘ |
| notRecommendedBy |
Internet Engineering Task Force
ⓘ
surface form:
IETF
security best practices ⓘ |
| partOf |
SSL
ⓘ
surface form:
Secure Sockets Layer
|
| precedes |
SSL 3.0
ⓘ
TLS 1.0 ⓘ |
| prohibitedBy | RFC 6176 ⓘ |
| prohibitedIn | TLS protocol specifications ⓘ |
| replacedBy |
SSL 3.0
ⓘ
TLS 1.0 ⓘ TLS ⓘ
surface form:
Transport Layer Security
|
| specifiedIn | RFC 6176 (prohibition of SSL 2.0) ⓘ |
| status |
deprecated
ⓘ
insecure ⓘ obsolete ⓘ |
| supports | X.509 certificates ⓘ |
| usedPortTypically | TCP port 443 ⓘ |
| usedWith |
HTTPS
ⓘ
early secure web applications ⓘ |
| uses |
message authentication codes
ⓘ
public key cryptography ⓘ symmetric key cryptography ⓘ |
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: SSL 2.0 Description of subject: SSL 2.0 is an early, now-obsolete version of the Secure Sockets Layer protocol that provided encrypted communication over networks before being replaced by more secure successors like TLS.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Secure Sockets Layer version 2.0
subject surface form:
RFC 6176
subject surface form:
RFC 6176
subject surface form:
RFC 6176