Setting the storage system's minimum security level

To set the storage system's minimum security level (that is, the minimum level of the security tokens that the storage system accepts from clients), you can set the cifs.LMCompatibilityLevel option. By default, this option is set to 1.

Step

1. Enter the following command: options cifs.LMCompatibilityLevel minimum_level

   Here, minimum_level is the minimum level of security tokens that the storage system accepts from clients, as defined in the following table.

   Value	Description
   1 (default)	The storage system accepts LM, NTLM, and NTLMv2 session security; it also accepts NTLMv2 and Kerberos authentication.
   2	The storage system accepts NTLM and NTLMv2 session security; it also accepts NTLMv2 and Kerberos authentication. The storage system denies LM authentication.
   3	The storage system accepts NTLMv2 session security; it also accepts NTLMv2 and Kerberos authentication. The storage system denies LM and NTLM authentication.
   4	The storage system accepts NTLMv2 and Kerberos authentication. The storage system denies LM, NTLM, and NTLMv2 session security.
   5	The storage system accepts Kerberos authentication only.