Cisco ROUTER-SDM-CD User Manual page 209

Chapter 8 Create Firewall
Click Edit Firewall Policy/ACL.
Step 2
To display the access rule you need to modify, select the outside (untrusted)
Step 3
interface as the From interface, and the inside (trusted) interface as the To
interface. The access rule applied to inbound traffic on the untrusted interface is
displayed.
To allow a particular type of traffic onto the network that is not already allowed,
Step 4
click Add in the Service area.
Create the entries you need in the rule entry dialog.You must click Add for each
Step 5
entry you want to create.
The entries you create will appear in the entry list in the Service area.
Step 6
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