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Managing firewall service and policies

Setting up a firewall enhances the security of the storage system and helps you prevent unauthorized access to the system. You can enable, configure, and display information about firewall service and policies.

Firewall policies can be used to control access to only management service protocols such as SSH, HTTP, HTTPS, Telnet, NTP, NDMP, or SNMP, and not data protocols such as NFS or CIFS.

You can manage firewall service and policies in the following ways:

Starting from Data ONTAP 8.2, you can create firewall policies with IPv6 addresses. For more information about IPv6 addresses, see the Clustered Data ONTAP Network Management Guide.

You can use the system services firewall, system services firewall policy, and network interface modify commands to manage firewall. For information about these commands, see the appropriate man pages.