Login, Telnet, SSH and FTP Commands
Page 126 7450 ESS System Mangement Guide
2 — Specifies that the SSH server will accept connections from clients supporting
either SSH protocol version 2
cipher
Syntax cipher index name cipher-name
no cipher index
Context config>system>security>ssh>client-cipher-list
config>system>security>ssh>server-cipher-list
Description This command enables configuration of a cipher. Client-ciphers are used when the SR OS is acting as
an SSH client. Server-ciphers are used when the SR OS is acting as an SSH server.
Parameters index — Specifies the index of the cipher in the list.
Values 1 — 255
cipher-name — Specifies the algorithm for performing encryption or decryption.
Values For SSHv1:
Client ciphers: des, 3des, blowfish
Server ciphers: 3des, blowfish
The following default ciphers are used for SSHv1:
Values For SSHv2:
Client ciphers: 3des-cbc, blowfish-cbc, cast128-cbc, arcfour, aes128-cbc, aes192-
cbc, aes256-cbc, rijndael-cbc, aes128-ctr, aes192-ctr, aes256-ctr
Server ciphers: 3des-cbc, blowfish-cbc, cast128-cbc, arcfour, aes128-cbc, aes192-
cbc, aes256-cbc, rijndael-cbc, aes128-ctr, aes192-ctr, aes256-ctr
The following default ciphers are used for SSHv2:
Cipher index value Cipher name
10
3des
20
blowfish
30
des
Cipher index value Cipher name
190
aes256-ctr
192
aes192-ctr
194
aes128-ctr
200
aes128-cbc
205
3des-cbc
210
blowfish-cbc