You can configure the SP to accept SSH requests from only the administration hosts that you specify.
host_list is a comma-separated list that includes host names, IP addresses, or IP addresses with a netmask.
Allows all hosts to access the SP.
Allows no hosts to access the SP.
The default for host_spec is *.
For more information and examples about using this option, see the na_spaccess(8) man page in the nodeshell.
The following example grants SP SSH access to the administration host with the specified IP address:
node1> options sp.ssh.access host=192.168.123.98
The following example grants SP SSH access to two administration hosts, identified by their host names:
node1> options sp.ssh.access host=myhost1,myhost2
The following example grants SP SSH access to all hosts with their IP address prefix matching 3FFE:81D0:107:2082:
node1> options sp.ssh.access host=3FFE:81D0:107:2082::1/64