RFC 4253
E7607
RFC 4253 is the Internet standard that specifies the Secure Shell (SSH) transport layer protocol, including encryption, key exchange, and server authentication mechanisms.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Internet standard
→
Request for Comments document → |
| appliesTo |
SSH
→
surface form: "SSH-2"
SSH →
surface form: "Secure Shell"
|
| area | Security → |
| category | Standards Track → |
| defines |
SSH algorithm negotiation procedure
→
SSH host key handling → SSH identification string exchange → SSH key re-exchange procedures → SSH transport layer debug messages → SSH transport layer disconnect messages → SSH transport layer ignore messages → SSH transport layer rekeying → SSH transport layer service accept messages → SSH transport layer service request messages → SSH_MSG_KEXINIT message → SSH_MSG_NEWKEYS message → |
| definesProtocol |
SSH
→
surface form: "SSH Transport Layer Protocol"
|
| documentType | technical specification → |
| language | English → |
| obsoletedBy | RFC 8332 → |
| obsoletes |
RFC 2419
→
RFC 4250 → |
| partOf | SSH protocol suite → |
| protocolLayer | transport layer → |
| publishedBy |
Internet Engineering Task Force
→
surface form: "IETF"
Internet Engineering Task Force → |
| RFCNumber | 4253 → |
| specifies |
SSH transport layer connection setup
→
algorithm negotiation for SSH → compression negotiation for SSH → data integrity mechanisms for SSH → encryption mechanisms for SSH → key exchange mechanisms for SSH → message packet format for SSH transport → server authentication mechanisms for SSH → |
| standardizes |
MAC algorithms for SSH
→
encryption algorithms for SSH → key exchange algorithms for SSH → public key algorithms for SSH transport → |
| status | Internet Standard → |
| title |
SSH
→
surface form: "The Secure Shell (SSH) Transport Layer Protocol"
|
| updates | SSH protocol specification → |
| usedFor |
secure command execution
→
secure remote login → secure tunneling → |
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.