Extension Negotiation in the Secure Shell (SSH) Protocol
ext-info
ext-info-s
ext-info-c
SSH_MSG_EXT_INFO
SSH_MSG_NEWCOMPRESS
server-sig-algs
delay-compression
no-flow-control
elevation
delay compression
delayed compression
flow control
elevated
This memo updates RFCs 4251, 4252, 4253, and 4254 by defining a mechanism for Secure Shell (SSH) clients and servers to exchange information about supported protocol extensions confidentially after SSH key exchange.