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4.4.5 URL Filtering
URL Blocking
will block LAN computers to connect to pre-defined Websites.
The major difference between
“
Domain filter
”
and
“
URL Blocking
”
is Domain filter require user to input suffix
(like .com or .org, etc), while URL Blocking require user to input a keyword only. In other words, Domain filter can
block specific website, while URL Blocking can block hundreds of websites by simply a
keyword
.
URL Blocking Enable
Checked 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 pre-defined word "sex" to block all websites if their URLs contain pre-defined word "sex".
Enable
Checked to enable each rule.
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In this example:
1. URL include
“
msn
”
will be blocked, and the action will be record in log-file.
2. URL include
“
sina
”
will be blocked, but the action will be record in log-file
3. URL include
“
cnnsi
”
will not be blocked, but the action will be record in log-file.
4. URL include
“
espn
”
will be blocked, but the action will be record in log-file
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33
4.4.6 Routing Table
Routing Tables
allow you to determine which physical interface address to use for outgoing IP data grams. If you
have more than one routers and subnets, you will need to enable routing table to allow packets to find proper routing
path and allow different subnets to communicate with each other.
Routing Table settings are settings used to setup the functions of static.
Static Routing
: For static routing, you can specify up to 8 routing rules. You can enter the destination IP address,
subnet mask, gateway, hop for each routing rule, and then enable or disable the rule by checking or unchecking the
Enable checkbox.
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Example:
Configuration on NAT Router
Destination
SubnetMask
Gateway
Hop
Enabled
192.168.1.0
255.255.255.0
192.168.1.216
1
ˇ
192.168.0.0
255.255.255.0
192.168.1.103
1
ˇ
So if, for example, the client3 wanted to send an IP data gram to 192.168.0.2, it would use the above table to
determine that it had to go via 192.168.1.103 (a gateway),
And if it sends Packets to 192.168.1.11 will go via 192.168.1.216
Each rule can be enabled or disabled individually.
After
routing table
setting is configured, click the
save
button.
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4.4.7 Schedule Rule
You can set the schedule time to decide which service will be turned on or off. Select the
“
enable
”
item.
Press
“
Add New Rule
”
You can write a rule name and set which day and what time to schedule from
“
Start Time
”
to
“
End Time
”
. The
following example configure
“
ftp time
”
as everyday 14:10 to 16:20
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