Dell Brocade G620 Brocade 8.0.1 Fabric OS Administratiors Guide - Page 236

Configuring Security Policies Fabric-wide distribution of the authorization policy The AUTH policy can be manually distributed to the fabric by command; there is no support for automatic distribution. To distribute the AUTH policy, see Distributing the local ACL policies on page 244 for instructions. Local Switch configuration parameters are needed to control whether a switch accepts or rejects distributions of the AUTH policy using the distribute command and whether the switch may initiate distribution of the policy. To set the local switch configuration parameter, refer to Policy database distribution on page 242. NOTE This is not supported for Access Gateway mode. IP Filter policy The IP Filter policy is a set of rules applied to the IP management interfaces as a packet filtering firewall. The firewall permits or denies the traffic to go through the IP management interfaces according to the policy rules. Fabric OS supports multiple IP Filter policies to be defined at the same time. Each IP Filter policy is identified by a name and has an associated type. Two IP Filter policy types, IPv4 and IPv6, exist to provide separate packet filtering for IPv4 and IPv6. It is not allowed to specify an IPv6 address in the IPv4 filter, or specify an IPv4 address in the IPv6 filter. There can be up to six different IP Filter policies defined for both types. Only one IP Filter policy for each IP type can be activated on the affected management IP interfaces. Audit messages will be generated for any changes to the IP Filter policies. The rules in the IP Filter policy are examined one at a time until the end of the list of rules. For performance reasons, the most commonly used rules should be specified at the top. On a chassis system, changes to persistent IP Filter policies are automatically synchronized to the standby CP when the changes are saved persistently on the active CP. The standby CP will enforce the filter policies to its management interface after policies are synchronized with the active CP. Virtual Fabrics considerations for IP Filter policy Each logical switch cannot have its own different IP Filter policies. IP Filter policies are treated as a chassis-wide configuration and are common for all the logical switches in the chassis. Creating an IP Filter policy You can create an IP Filter policy specifying any name and using type IPv4 or IPv6. The policy created is stored in a temporary buffer, and is lost if the current command session logs out. The policy name is a unique string composed of a maximum of 20 alpha, numeric, and underscore characters. The names "default_ipv4" and "default_ipv6" are reserved for default IP filter policies. The policy name is case-insensitive and always stored as lowercase. The policy type identifies the policy as an IPv4 or IPv6 filter. There can be a maximum of six IP Filter policies. 1. Log in to the switch using an account with admin permissions, or an account associated with the chassis role and having OM permissions for the IPfilter RBAC class of commands. 2. Enter in the ipFilter --create command. Cloning an IP Filter policy You can create an IP Filter policy as an exact copy of an existing policy. The policy created is stored in a temporary buffer and has the same type and rules as the existing defined or active policy. Brocade Fabric OS Administration Guide, 8.0.1 236 53-1004111-02