User's Manual

35
3. On the Enable DoS protection, select Yes to protect your
network from DoS (Denial of Service) attacks though this may
aect your router’s performance.
4. You can also monitor packets exchanged between the LAN
and WAN connection. On the Logged packets type, select
Dropped, Accepted, or Both.
5. Click Apply.
3.5.2 URL Filter
You can specify keywords or web addresses to prevent access to
specic URLs.
NOTE: The URL Filter is based on a DNS query. If a network client
has already accessed a website such as http://www.abcxxx.com, then
the website will not be blocked (a DNS cache in the system stores
previously visited websites). To resolve this issue, clear the DNS cache
before setting up the URL Filter.
To set up a URL lter:
1. From the navigation panel, go to Advanced Settings >
Firewall > URL Filter.
2. On the Enable URL Filter eld, select Enabled.
3. Enter a URL and click the button.
4. Click Apply.