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9-5
Cisco Router and Security Device Manager 2.5 User’s Guide
OL-4015-12
Chapter 9 Firewall Policy
Edit Firewall Policy/ACL
Originating Traffic
Click to highlight the traffic flow that enters the router at the From interface and
exits the router at the To interface. When this area is highlighted, you can see the
details of rules applied in the direction of traffic flow.
Returning Traffic
Click to highlight the traffic flow that enters the router on the To interface and
exits the router on the From interface. When this area is highlighted, you can see
the details of rules applied to returning traffic.
Icons
Rules are represented by icons in the traffic flow:
A filter symbol indicates that an access rule is being applied.
A magnifying glass indicates that an inspection rule is being applied.
A firewall icon in the router indicates that a firewall has been applied to
the Originating traffic flow. Cisco SDM displays a firewall icon if the
following sets of criteria are met:
• There is an inspection rule applied to Originating traffic on the
inbound direction of the From interface, and there is an access rule
applied to the inbound direction of the To interface.
• The access rule on the inbound direction of the To interface is an
extended access rule, and contains at least one access rule entry.
No firewall icon is displayed when a firewall has been applied to
Returning traffic. If the Firewall feature is available, but no firewall has
been applied to the traffic flow, IOS Firewall: Inactive will be
displayed underneath the traffic diagram.