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Page 136 / 207 Scroll up to view Page 131 - 135
EE Bright Box User Manual
136
You can refresh the NAT mapping table by clicking the refresh button at the bottom of the
page
The table below contains a description of the fields on the NAT mapping page :
Section
Description
Index
This field is the index for the NAT port mapping
entry.
Protocol
This field is the traffic type for the NAT mapping
entry. This will either be ‘TCP’ for Transmission
Control Protocol entries or ‘UDP’ for User Datagram
Protocol entries.
Local IP
This field is the IP address for the device on your
local network which is associated with the NAT
mapping entry.
Local port
This field is the port for the device on your local
network which is associated with the NAT mapping
entry.
Pseudo IP
This field is the translated IP address for the NAT
mapping entry. This address is usually the WAN IP
address assigned to you Internet connection by your
ISP
Pseudo Port
This field is the translated port for the NAT mapping
entry and will usually match the local port number.
Peer IP
This field is the IP address of the remote/originating
NAT mapping source on the Internet/WAN.
Peer Port
This field is the port of the remote/originating NAT
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137
mapping source on the Internet/WAN.
FIREWALL
The Bright Box router contains an internal firewall that is designed to protect your router and
local network from unwanted external intrusion. The firewall includes stateful packet
inspection (SPI) technology that analyses different traffic types and only allows those
through that are initiated from a device or computer on your own network.
The router firewall also includes a number of configurable features such as access control
(allowing you to block certain traffic types), MAC filter (allowing only certain devices to
access the network), URL Blocking, access control Schedule Rules, Intrusion Detection and a
DMZ (De-militarized zone).
The firewall is enabled by default on the Bright Box router.
To access the firewall settings:
1.
Login to the router’s admin pages.
2.
Click on the Advanced Set-Up tab and click Accept on the ‘Please proceed with
caution’ page.
3.
Click on Firewall in the left hand navigation menu:
You can enable or disable the NAT module on the Bright Box router by selecting the option
you want on the Firewall page and pressing Save Settings:
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Please note that disabling the firewall on the router is not recommended except in
exceptional circumstances (such as for testing purposes). Disabling the firewall may open up
the router and local network to unwanted intrusion from the Internet.
ACCESS CONTROL
The access control feature of the router’s firewall allows you to block certain types of
Internet traffic to devices or computers on your network. For example you may wish to block
all POP3 and SMTP email traffic on a particular computer.
The access control setting allows you to block traffic for individual computer IP addresses, or
for a range of IP addresses on your network. You can select from a number of pre-defined
traffic types (based on port numbers), or define your own application port or a whole range of
ports to block.
If you have defined a schedule rule on the Advanced Set-Up > Firewall > Schedule
Rule page, you can also apply that to the access control rule, allowing you to block traffic
only at certain days or times of the day.
Before setting up an access control rule, it is a good idea to reserve an IP address for the
device you wish to set up the rule for. You can do this in the Advanced Set-Up > DHCP
admin page, under the address reservation section. See
how to reserve an IP address
on page
124 for further information.
You can create access control rules for up to 10 devices.
No access control rules are enabled by default; however you can create rules by navigating to
the Access Control page as follows:
1.
Login to the router’s admin pages.
2.
Click on the Advanced Set-Up tab and click Accept on the ‘Please proceed with
caution’ page.
3.
Click on Firewall in the left hand navigation menu to expand the Firewall menu
4.
Click on Access Control in the left hand navigation menu:
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139
Description of settings on the Access Control page
The table below contains a description of the settings on the Port Triggers page :
Section
Description
Filtering function
This option is used to configure whether the access
control setting is enabled or disabled on the router.
Select ‘Enable’ to switch on access control rule
blocking on the router. You will still need to create a
device filtering rule in order for blocking to work.
Select ‘Disable’ to switch off access control rule
blocking on the router. If any device filtering rules
have been created they will still appear in the filter
rule table, but will not be active.
Rule Description
The field is the name that you have given to the
device filtering rule when you create the rule by
clicking the Add Device Filtering Rule link.
Client PC IP Address
This field displays the IP address or range of IP
addresses of the device or computer on your local
network that you have applied the device filtering
rule to. You enter the address or address range by
clicking the Add Device Filtering Rule link.
Client Service
This field displays the name of the types of traffic
blocking rules applied to the devices or computers
on your local network. You select the service(s) for
the rule by clicking on the Add Device Filtering
Rule link.
Possible client service names include ‘http’,
‘urlblock’, ‘smtp’, ‘nntp’, ‘pop3’, ‘https’, ‘ftp’, ‘telnet’,
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‘h323’,’dns’,’snmp’,’pptp’,’l2tp’,’tcp’,’udp’ or ‘user’ (for
a user defined rule’.
Schedule Rule
This field display the type of schedule rule applied to
the device filtering rule. The schedule rule defines
the day and time a blocking rule is applied
A schedule rule can be created on the Advanced
Set-Up > Firewall > Schedule Rule page. The
rule is applied on by clicking the Add Device
Filtering Rule link.
By default this value will be ‘Always Blocking’,
meaning that the traffic type is always blocked, and
no schedule rule has been applied.
Configure
If a device filtering rule has been created, then you
can edit the rule by clicking the Edit link. This will
display the Edit Device Filtering Rule page.
You can delete a device rule by clicking the Delete
link. Deleting a rule will mean that the blocking for
the rule will no longer occur.
Add Device Filtering Rule
Click this link to create a new device filtering rule for
access control. This will display the edit device
filtering rule page where you can define the rule
description, client IP address range and client device
service (the traffic types that are blocked).
How to create an Access Control rule
You may wish to create an access control rule to block specific types of Internet traffic on
devices or computers on your network.
The following example will show you how to create an access control rule to block FTP and
Email sending/receiving on a connected computer.
To create an access control rule:
1.
Reserve an IP address for the computer you wish to set up the access control rule on.
You can do this in the Advanced Set-Up > DHCP admin page. See
how to reserve an
IP address
on page 124 for further information.
2.
Click on the Advanced Set-Up tab and click Accept on the ‘Please proceed with
caution’ page.
3.
Click on Firewall in the left hand navigation menu to expand the Firewall menu
4.
Click on Access Control in the left hand navigation menu.
5.
Select the ‘Enable’ option on the Access Control page and click Save Settings:

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