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Internet Access Policy
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Create or Modify an Internet Access Policy
Complete the following steps to create a new policy or modify an existing policy.
1
In the Access Policy Rule section of the screen, select a policy from the
Internet
Access Policy
drop-down menu.
a
If you are setting up a new policy, select
Add New Rule
. If you select an
existing policy, the screen refreshes with that policy's settings.
Note:
Multiple rules can be created for the same computer. Rules have
priorities, so the first matched rule determines the computer’s access policy.
b
From the Status field, select the
Enabled
radio button to enable the policy, or
Disabled
to disable the policy.
c
In the
PC (IP or Host) Name
field, enter the host name or IP address of the
computer for which this policy applies.
2
In the Access restriction section, click the appropriate option,
Deny
or
Allow
,
depending on whether you want to block or allow Internet access for the PCs
you listed on the List of PCs screen.
3
If you wish to block access to websites, use the
Website Blocking by Keyword
or
Website Blocking by Regular Expression
feature.
To use Website Blocking by Keyword, enter the URL or Domain Name of the
websites you wish to block.
Note
: If any of these Keywords appears in the URL of a website, access to the
site will be blocked. Note that only the URL is checked, not the content of
each web page.
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Chapter 8
Access Restrictions
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To use Website Blocking by Regular Expression, enter the expression you
wish to block in the fields provided.
Note
: A regular expression is a string used to describe or match a set of
strings. You can block websites that use strings encompassed by the regular
expressions you enter on this screen. Enter each regular expression in a
separate field.
Regular Expression Syntax
:
.
any character
^
start of a line
$
end of a line
*
match zero or many times
?
match zero or one time
+
match one or more times
{m,n}
match from m to n times (m <= n)
{n}
match exactly n times
[a-c]
character set
[^a-c]
negative charset
|
or
(“ and “)
brackets for grouping
\xx
escaped character
4
Use any combination of the following options to block services in the Blocked
Services section to filter access to various applications accessed over the Internet,
such as FTP or telnet.
Block a preset applications
The block services select list offers a choice of
preset applications. For multiple selection, press the
Ctrl
or
Shift
key.
Note
: If you select a preset application, its port numbers and protocol are
displayed and can not be changed.
Block a new service
If the application you want to block is not listed, select
the
Service
link; then, you can enter the port range and protocol for the
service you wish to block. The new service is added to the list.
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Remove blocking
To remove the blocking, press
Ctrl + click
to deselect a
service.
5
In the Schedule section, select the individual days during which the policy will
be in effect, or select
Everyday
. Then, enter a range of hours and minutes during
which the policy will be in effect, or select
24 Hours
.
6
Set the policy as follows:
If you are creating a new rule, click the
Add Rule
button to add policy rule
settings.
If your are modifying an existing rule, click the
Save Settings
button to save
policy rule settings.
If you wish to cancel your inputs, click
Cancel Changes
.
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Introduction
This chapter describes setting up the gateway to support applications
and games.
9
Chapter 9
Applications & Gaming
In This Chapter
Single Port Forwarding
........................................................................
96
Port Range Forwarding
........................................................................
98
DMZ
......................................................................................................
100
Port Range Triggering
........................................................................
101
QoS (Quality of Service)
.....................................................................
103
Service
...................................................................................................
106

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