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.
Aliases (3)
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
cryptographic protocol
→
network security protocol → obsolete protocol → |
| abbreviationFor |
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
→
|
| 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 |
IETF
→
security best practices → |
| partOf |
Secure Sockets Layer
→
|
| precedes |
SSL 3.0
→
TLS 1.0 → |
| prohibitedBy |
RFC 6176
→
|
| prohibitedIn |
TLS protocol specifications
→
|
| replacedBy |
SSL 3.0
→
TLS 1.0 → 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 → |
Referenced by (10)
| Subject (surface form when different) | Predicate |
|---|---|
|
RFC 6176
("SSL 2.0 is obsolete")
→
RFC 6176 ("SSL 2.0 is insecure") → |
reason |
|
SSL 2.0
("Secure Sockets Layer version 2.0")
→
|
abbreviationFor |
|
RFC 6176
→
|
deprecates |
|
RFC 6176
→
|
disallowsUseOf |
|
SSL 3.0
→
|
follows |
|
SSL
→
|
hasVersion |
|
RFC 6176
→
|
obsoletesProtocol |
|
RFC 6176
→
|
prohibitsUseOf |
|
TLS
→
|
successorTo |