User guide

Chapter 9: Security
92
Enable the Firewall
To enable the firewall:
1. Choose Security > Firewall. The Firewall page opens, displaying
the existing IPTables rules.
2. Select the Enable Firewall checkbox.
3. Click OK.
Note: When you enable IP forwarding for Dual LAN units, use
IPTables rules to create policies for traffic being forwarded between
LAN interfaces
Add an IPTables Rule
To add an IPTables rule:
1. Choose Security > Firewall. The Firewall page opens, displaying
the default IPTables rules.
2. Go to the Add/Delete IPTables Rule field and enter a rule.
3. Click Apply, and then click Save. The rule is displayed on the screen.
4. Delete some or all of the default rules if you choose to.
5. Add new rules if you choose to.