User's Manual

66xx/67xx Router Users Guide 85
Security
Firewall
Note: For security reasons, firewall options can be configured only from the LAN side of the
router.
Firewalls can prevent unexpected traffic on the Internet from your host on the LAN.
To add a firewall:
1. On the Security | Firewall screen, click Add Firewall.
2. In the name text box, enter a name for the firewall.l
3. Select the interface and whether this will be for ingress (type: IN) or egress (type: OUT).
4. Select the action when the rules are met from the defaultaction dropdown to Permit the
packet or Drop the packet.
5. Click Save&Apply.
6. Add rule(s) as described below)
To add a rule:
1. Select the firewall from the Firewall Table (the selected firewall is highlighted in red.)
2. Click Add Rule.
3. Define the rule from the options listed (descriptions below).
4. Click Save&Apply.
A firewall will have a number of rules to define the item to match.