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- Denial of Service (DoS)
The Broadband router's firewall can block common hacker attacks, including
Denial of Service, Ping of Death, Port Scan and Sync Flood. If Internet attacks
occur the router can log the events.
Ping of Death:
Protections from Ping of Death attack.
Discard Ping From WAN:
The router’s WAN port will not respond to any Ping
requests
Port Scan:
Protects the router from Port Scans.
Sync Flood:
Protects the router from Sync Flood attack.
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52
- MAC Filter
If you want to restrict users from accessing certain Internet applications /
services (e.g. Internet websites, email, FTP etc.), and then this is the place to set
that configuration. MAC Filter allows users to define the traffic type permitted in
your LAN. You can control which PC client can have access to these services.
Enable MAC Filtering:
Check to enable or disable MAC Filtering.
Deny:
If you select “
Deny
” then all clients will be allowed to access Internet
except the clients in the list below.
Allow:
If you select “
Allow
” then all clients will be denied to access Internet
except the PCs in the list below.
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53
Add PC MAC Address
Fill in “
LAN MAC Address
” and
<Description>
of the PC that is allowed
/ denied to access the Internet, and then click
<Add>
. If you find any typo
before adding it and want to retype again, just click
<Reset>
and the fields
will be cleared.
Remove PC MAC Address
If you want to remove some PC from the "
MAC Filtering Table
", select
the PC you want to remove in the table and then click
<Delete Selected>
.
If you want to remove all PCs from the table, just click the
<Delete All>
button. If you want to clear the selection and re-select again, just click
<Reset>
.
Click
<Apply>
at the bottom of the screen to save the above configurations.
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54
- IP Filter
Enable IP Filtering:
Check to enable or uncheck to disable IP Filtering.
Deny:
If you select “
Deny
” then all clients will be allowed to access Internet
except for the clients in the list below.
Allow:
If you select “
Allow
” then all clients will be denied to access Internet
except for the PCs in the list below.
Add PC IP Address
You can click
<Add>
PC to add an access control rule for users by an IP address
or IP address range.
Remove PC IP Address
If you want to remove some PC IP from the
<IP Filtering Table>
,
select the PC you want to remove in the table and then click
<Delete Selected>
. If
you want to remove all PCs from the table, just click the
<Delete All>
button.
Click
<Apply>
at the bottom of the screen to save the above configurations.
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55
- URL Filter
You can block access to some Web sites from particular PCs by entering a full
URL address or just keywords of the Web site.
Enable URL
Blocking:
Enable or disable URL Blocking
Add URL Keyword
Fill in “URL/Keyword” and then click
<Add>
. You can enter the full URL address or
the keyword of the web site you want to block. If you happen to make a mistake and
want to retype again, just click "Reset" and the field will be cleared.
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