4 Web Configuration Guide
Figure 4.24
Anti-port Scan
2.
Select to
Enable
or
Disable
the anti-port scan function as
required.
3.
Click
Apply
to save and apply the configuration.
4.4.1.6 DHCP Filtering
Forbid or allow the user device configured with the MAC address to
obtain an IP address in the DHCP mode to prevent DOS attacks.
After the firewall is enabled, the pre-set rules will take effect.
1.
Select
Security
in the navigation bar and select
Firewall
→
DHCP filter
in the left link bar, and then click
Add
to open the
anti-DOS attack configuration tab, as shown in Figure 4.25.
Figure 4.25
DHCP Filtering
98
