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Filtering Policies
You can select one of the two filtering policies:
•
Allow all to pass except those that match the specified rules
•
Deny all to pass except those that match the specified rules
Filtering Rules
You can specify eight rules for each direction: inbound or outbound. For each rule,
you can define the following:
•
Source IP address
•
Destination IP address
•
Destination Port
•
Use Rule#
For the
Source
or
Destination IP address
, you can define a single IP address (4.3.2.1).
An empty field implies any IP address.
For
Destination Port
, you can define a single port (80) or a range of ports (1000-1999).
No prefix indicates both TCP and UDP are defined. Leaving this empty implies that all
port addresses apply.
Each
Rule
can be enabled or disabled individually.
You can use packet filters with scheduling rules for more access control flexibility.
The Domain Filters Page
You can use the
Domain Filters
page to enable or deny user access to specified URLs.
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•
Domain Filter Enable
Use to prevent users behind this device from accessing specific URLs. Click
the
Enable
checkbox to enable the Domain Filter.
•
Log attempted URL access
Click the
Enable
checkbox if you want to log the action when someone
attempts to access the specified URLs.
•
Privileged IP Addresses Range
Domain filtering rules do not apply to IP addresses in this range.
•
Domain Suffix
The suffix of the restricted URL; for example,
xxx
.com
.
•
Action
The action to be taken when a user accesses the restricted domain suffix
URL. Check
Drop
to block access. Check
Log
to record the attempted
access.
•
Enable
Click the checkbox to enable the filter.
The URL Blocking Page
You can use the
URL Blocking
page to block LAN computers from connecting to
pre-defined Web sites. The major difference between Domain Filtering and URL
Blocking is that Domain Filtering requires the user to input a suffix whereas URL
Blocking requires the user to input a keyword only. In other words, Domain Filtering
can block a specific web site, whereas URL Blocking can block hundreds of web sites
by specifying a keyword.
•
URL Blocking Enable
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Check if you want to enable URL Blocking.
•
URL
If any part of the Website's URL matches the pre-defined word, the
connection will be blocked. For example, you can use the pre-defined word,
sex, to block all websites those URLs contain the pre-defined word, sex.
•
Enable
Click the checkbox to enable each rule.
The MAC Address Control Page
You can use the
MAC Address Control
page to enable MAC Address Control and to
define connection and association rights for clients whose IP and MAC addresses are
specified.
•
MAC Address Control
Check
Enable
to enable
MAC Address Control
. All of the settings on this page
will take effect only if
Enable
is checked.
•
Connection control
Check
Connection control
to specify which wired and wireless clients can
connect to this device. If a client is denied a connection to this device, then
that client is also defined Internet access. Choose
allow
or
deny
to indicate
which clients can connect to this device.
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•
Association control
Check
Association control
to specify which wireless clients can associate to
the wireless LAN. If a client is not allowed to associate to the wireless LAN,
then the client can't send or receive any data via this device. Choose
allow
or
deny
to indicate which clients can associate to the wireless LAN. If selected,
the specified wireless client will obtain any radio connection to the access
point.
•
DHCP clients
Displays a list of computers that are currently connected to the router. Select
a client from the menu then copy to the selected ID. The client IP and MAC
addresses are written in the fields below the menus.
The Miscellaneous Page
You can use the
Miscellaneous
Items
page to enable additional security features.
Please refer to the online help for details about each of the menu items.
Configuring Advanced Settings
The
Advanced Settings
page lists eight menus on the left pane and provides a
description of the configuration menus at center.
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The System Log Page
You can use the
System Log
page to define how and where system logs will be
exported via syslog (UDP) or SMTP(TCP).
•
IP Address for Syslogging
Host IP address of the destination where the Sys log will be sent.
Click the
Enable
checkbox to set the IP Address as the destination.
•
E-mail alert settings
Check
Enable
if you want to send
syslog
via email.
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