Specifies the global password for SSH client, to be used for 'password'
authentication. SSH client will use this password during authentication
phase (when connecting remote server), in case no specific password has
been specified for this operation.
The value of this MIB must not contain charachters ':' or '@' (those
are used to indicate parameters seperation in SCP copy).
Upon setting the password, its length must be in range 1-70.