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
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