Secure Computing SG550 Bedienungsanleitung PDF herunterladen (Seite 151)

Firewall

147

When adding a rule, you may either use Predefined addresses or services that have

been added under Definitions, or click New to manually enter an address or service.

1-to-1 NAT

This creates both a source NAT and destination NAT rule for mapping all services on an

internal, private address to an external, public address.

Note

After adding a 1-to-1 NAT rule, you must manually create packet filter rules to allow

incoming packets on the public address.

Click Source NAT. Any rules that have already been defined are displayed, you may

Edit or Disable/Enable these rules by clicking the appropriate icon. Click New to add a

new rule.

You may also add a new rule above an existing one by clicking the Add Above icon, or

below with Add Below.

Note

The first matching rule determines the action for the network traffic, so the order of the

rules is important. You can use the Move Up and Move Down icons to change the order.

The rules are evaluated top to bottom as displayed on screen.

The following fields are displayed:

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Secure Computing SG550 Bedienungsanleitung Seite 151