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6.3 Firewall
6.3.1 Firewall Settings
Firewall settings include Port Filter and URL Filter. When disable Firewall, all rules in Port Filter and URL
Filter would also be disabled.
Figure 19: Firewall Settings
6.3.2 Port Filter
 To add new port filter rule:
 Launch a web browser from a computer that is connected to DTU and access to web management
system.
 Go toSettings > Firewall> Port Filterpage, input relevant filter parameters.
Figure 20: Port filter settings
Table 10: Rule parameters of port filter
Parameter
Description
IP Settings
- IPv4
MAC Address
MAC address of source network node.