Installation Manual
90 Advanced iDRAC6 Configuration
For more information on cfgSerialSshEnable and 
cfgRacTuneSshPort properties, see the RACADM iDRAC6 and CMC 
Command Line Reference Guide available on the Dell Support website at 
dell.com/support/manuals.
The iDRAC6 SSH implementation supports multiple cryptography schemes, 
as shown in Table 5-1.
  NOTE: SSHv1 is not supported.
Table 5-1. Cryptography Schemes
Scheme Type Scheme
Asymmetric Cryptography Diffie-Hellman DSA/DSS 512-1024 (random) bits per 
NIST specification
Symmetric Cryptography
• AES256-CBC 
• RIJNDAEL256-CBC 
• AES192-CBC 
• RIJNDAEL192-CBC 
• AES128-CBC 
• RIJNDAEL128-CBC 
• BLOWFISH-128-CBC 
• 3DES-192-CBC 
•ARCFOUR-128 
Message Integrity
•HMAC-SHA1-160 
•HMAC-SHA1-96 
• HMAC-MD5-128 
•HMAC-MD5-96
Authentication
•Password










