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.

AI illustration

How this image was made

AI-generated illustration of RFC 4253

This AI-generated illustration was produced by black-forest-labs/FLUX.2-dev (1024x1024) from a prompt written by openai/gpt-oss-120b from the entity's label + description.

Prompt

Generate an image of RFC 4253 (RFC 4253 is the Internet standard that specifies the Secure Shell (SSH) transport layer protocol, including encryption, key exchange, and server authentication mechanisms.)

All labels observed (1)

Label Occurrences
RFC 4253 canonical 10

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf Internet standard ⓘ
Request for Comments document ⓘ
appliesTo SSH-2 ⓘ
linked to: SSH

Secure Shell ⓘ
linked to: SSH
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 Transport Layer Protocol ⓘ
linked to: SSH
documentType technical specification ⓘ
language English ⓘ
obsoletedBy RFC 8332 ⓘ
obsoletes RFC 2419 ⓘ
RFC 4250 ⓘ
partOf SSH protocol suite ⓘ
protocolLayer transport layer ⓘ
publishedBy 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 The Secure Shell (SSH) Transport Layer Protocol ⓘ
linked to: SSH
updates SSH protocol specification ⓘ
usedFor secure command execution ⓘ
secure remote login ⓘ
secure tunneling ⓘ

How these facts were elicited

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

SSH → definedIn → RFC 4253 ⓘ
RFC 8332 → updates → RFC 4253 ⓘ
RFC 6668 → updatesSpecification → RFC 4253 ⓘ
RFC 2419 → obsoletedBy → RFC 4253 ⓘ
RFC 2419 → replacedBy → RFC 4253 ⓘ
RFC 4250 → obsoletedBy → RFC 4253 ⓘ
RFC 4250 → relatedTo → RFC 4253 ⓘ
Secure Shell (SSH) Transport Layer Protocol → definedIn → RFC 4253 ⓘ
SSH KEXINIT message → definedIn → RFC 4253 ⓘ