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Cisco Router and Security Device Manager Version 2.2 User’s Guide
OL-4015-08
Chapter5 Create Firewall
How Do I...
How Do I Configure NAT Passthrough for a Firewall?
If you have configured NAT and are now configuring your firewall, you must
configure the firewall so that it permits traffic from your public IP address. To do
this you must configure an ACL. To configure an ACL permitting traffic from
your public IP address:
Step1 From the left frame, select Additional Tasks.
Step2 In the Rules tree, select ACL Edit or and then Access Rules.
Step3 Click Add.
The Add a Rule dialog box appears.
Step4 In the Name/Number field, enter a unique name or number for the new rule.
Step5 From the Type field, choose Standard Rule.
Step6 In the Description field, enter a short description of the new rule, such a s “Permit
NAT Passthrough.”
Step7 Click Add.
The Add a Standard Rule Entry dialog box appears.
Step8 In the Action field, choose Permit.
Step9 In the Type field, choose Host.
Step10 In the IP Address field, enter your public IP address.
Step11 In the Description field, enter a short description, such as “Public IP Address.”
Step12 Click OK.
Step13 Click OK.
The new rule now appears in the Access Rules table.
How Do I Permit Traffic Through a Firewall to My Easy VPN Concentrator?
In order to permit traffic through your firewall to a VPN concentrator, you must
create or modify access rules that permit the VPN traffic. To create these rules: