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[For Router Mode]
■Firewall（FW）tab
1. Open the [Firewall (FW)] screen from [TOP]-[Security].
2. Enable/disable the firewall function. Function is initially enabled. When disabled, the SPI setting cannot be set.
3. Set NAPT Enable Interface according to the security policy. If unchecked, the NAPT function of the corresponding
interface will be disabled.
4. Set the DoS protection function according to the security policy.
5. Set the NAPT session timer according to the network use condition.
6. Click the "Apply" button.
7. Click the "Save" button to save the setting.
Setting Item
Firewall Configuration
Enable Firewall
NAPT Enable Interface
IPoE
PPPoE
SPI Configuration
TCP
UDP
ICMP
Description
Enable/disable the firewall function. When disabled, the SPI setting
is grayed out and cannot be set.
When PPPoE is set, the firewall function is always enabled and
cannot be disabled.
Check the interface that enables NAPT function.
*This setting item is displayed only when in router mode
Check to enable NAPT in IPoE.
NAPT is always enabled in PPPoE
SPI setting items
Set the session timer of TCP establishment.
Range is 30~86,400 seconds.
Set the UDP session timer.
Range is 30~86,400 seconds.
Set the ICMP session timer.
Range is 30~86,400 seconds.
|Setting/Setting Confirmation
Initial Value
Enabled
Enabled
Enabled
600
300
30
249
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