Alcatel-Lucent 7450 System Management Manual page 127

Default no cipher index
disable-graceful-shutdown
Syntax [no] disable-graceful-shutdown
Context config>system>login-control>ssh
Description
This command enables graceful shutdown of SSH sessions.
The no form of the command disables graceful shutdown of SSH sessions.
preserve-key
Syntax [no] preserve-key
Context config>system>security>ssh
Description After enabling this command, private keys, public keys, and host key file will be saved by the server.
It is restored following a system reboot or the ssh server restart.
The no form of the command specifies that the keys will be held in memory by the SSH server and is
not restored following a system reboot.
Default no preserve-key
server-cipher-list protocol-version
Syntax client-cipher-list protocol-version version
Context config>system>security>ssh
Description This command enables configuration the list of allowed ciphers by the SSH server.
Parameters
version — Specifies the SSH version.
7450 ESS System Mangement Guide
Cipher index value
215
220
225
230
235
Values 1 — Specifies that the SSH server will only accept connections from clients that
support SSH protocol version 1
Cipher name
cast128-cbc
arcfour
aes192-cbc
aes256-cbc
rijndael-cbc
Security
Page 127