Modify INS Filters Window

This window appears when you select an interface and click Modify in the INS Filters window. It has two tabs:

When you finish with this window, click OK. You return to the INS Filters window.

Security

To create a security filter:

  1. Decide whether you want a permit filtering strategy or a deny filtering strategy. A permit filtering strategy generally permits packets to be forwarded at the selected interface, and drops them only in exceptional cases. You select permit all from the Default Action list. The filters you create are the exceptional cases that cause the selected interface to drop packets.
    A deny filtering strategy is the opposite. In most cases, you drop packets at the selected interface, and forward them only in exceptional cases. You select deny all from the Default Action list. The filters you create are the exceptional cases that cause the selected interface to forward packets.
  2. Click Create and use the Create Security Filter window. When you return to this window, a the new filter appears in the Filters List.

To modify a security filter:

  1. From the Filters List, select the filter you want to modify.
  2. Click Modify and use the Modify Security Filter window.

To delete a security filter:

  1. From the Filters List, select the filter you want to delete.
  2. Click Delete to delete the filter.

QoS

To create a filter that gives preferential treatment to certain packets: