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How to specify administration hosts

Administration hosts are specified in the /etc/hosts.equiv file.

You use the following formats to specify an administration host:

Note: If you access the storage system using rsh from an administration host listed in the /etc/hosts.equiv file, you have root privileges because this access method bypasses user authentication mechanisms. In addition, the /etc/auditlog program displays the user running the commands as root.
The following rules apply to entries in the /etc/hosts.equiv file:
  • If multiple users on the same host require access to the storage system through a Remote Shell, you specify each user’s entry for a single host using hostname [username]. You can also specify a group of hosts using +@netgroup [username] to allow a particular user to access the storage system from a group of hosts.
  • If hostname specifies an NFS client, or if +@netgroup specifies a group of NFS hosts, the user name is optional. If you do not specify a user name, you must be the root user on that NFS client or the root user on the host in the host group to execute a Data ONTAP command through the rsh command.
  • If hostname specifies a CIFS client, you must enter the user name for that CIFS client.
The following is an example of the contents of an /etc/hosts.equiv file:
client1 carl
client1 peter
client2 lena
client2 root
client3 fred
client3 root
+@sysadmins joe smith

For more information, see the na_hosts.equiv(5) man page.