User's Manual

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Source IP Address
IP address of source network node.
Dest IP Address
IP address of destination network node.
Protocol
- ALL
- TCP
- UDP
- ICMP
Action
- Accept
- Drop
Comment
Extra description for rule.
 Click the “Apply” button, and you can see new rule in active rules table.
Figure 21: Active port filter rules table
In active rules table, you can click “Delete” button to delete the rule directly.
Figure 22: Delete port filter rule
6.3.3 Port Forward
To ensure web (https) and TR069 services working normally, two default port forward rules (Rule Name:
Web access from WAN and TR069) were added when system boot up.
Figure 23: Default port forward rules
 To add new port forward rule:
 Launch a web browser from a computer that is connected to DTU and access to web management
system.
 Go to Settings > Firewall > Port Forwardpage, click “ADD RULE” button.