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Page 96 / 160 Scroll up to view Page 91 - 95
Chapter 14
Filter
96
14.2
The IPv6/MAC Filter Screen
Use the
IPv6/MAC Filter
screen to create and apply IPv6 address /MAC filters. Click
Security
>
Filter
>
IPv6/MAC Filter
.
Figure 50
Security > Filter > IPv6/MAC Filter
Table 47
Security > Filter > IPv6/MAC Filter
LABEL
DESCRIPTION
Rule Type selection
Select
White List
to create a filter rule that allows traffic.
Select
Black List
to create a filter rule that blocks traffic.
IPv6/MAC Filter Rule Index
Select the index number of the filter rule.
Active
Use this field to enable or disable the rule.
Interface
Select the interface to which to apply the filter.
Direction
Apply the filter to
Incoming
or
Outgoing
traffic direction.
Rule Type
Select
IP
to filter traffic by IP addresses.
Select
MAC
to filter traffic by MAC address.
Page 97 / 160
Chapter 14
Filter
97
Source IP Address
Enter the source IP address of the packets you wish to filter.
Source Prefix Length
Enter the prefix length for the source IPv6 address.
Destination IPv6 Address
Enter the destination IPv6 address of the packets you wish to filter.
Destination Prefix Length
Enter the prefix length for the destination IPv6 address.
ICMPv6 Type
Select one of the ICMPv6 message types to filter.
Protocol
This is the (upper layer) protocol that defines the service to which this rule
applies. By default it is
ICMPv6
.
Source MAC Address
This field is only available when you select
MAC
in the
Rule Type
field.
Enter the MAC address of the packets you wish to filter.
IPv6 / MAC Filter Rule Index
Select the index number of the filter set.
Active
This field shows whether the rule is activated.
Interface
This field shows the interface to which the filter rule applies.
Direction
The filter rule applies to this traffic direction.
ICMPv6Type
This is the ICMPv6 message type to filter.
Src IP/Prefix length
This is the source IPv6 address and prefix length.
Dest IP/Prefix length
This displays the destination IPv6 address and prefix length.
MAC Address
This is the MAC address of the packets being filtered.
Protocol
This is the (upper layer) protocol that defines the service to which this rule
applies.
Table 47
Security > Filter > IPv6/MAC Filter (continued)
LABEL
DESCRIPTION
Page 98 / 160
15
Chapter
Chapter 15
Firewall
98
C
HAPTER
15
Chapter 15
Firewall
15.1
TFirewall General Screen
Use this screen to enable or disable the firewall protection on the Router. You can also edit existing
rules or create new ones. Click
Security > Firewall
to open the
General
screen.
Figure 51
Security > Firewall > General
Table 48
Security > Firewall > General
LABEL
DESCRIPTION
On
Select this to enable the firewall protection on the Router.
Off
Select this to disable the firewall protection on the Router. This setting is not recommended.
It disables firewall protection for your network and could potentially expose your network to
significant security risks. This option should only be used for troubleshooting or if you intend
using another firewall in conjunction with your router.
Modify
Click the edit icon to go to the screen where you can edit an existing rule.
Click the delete icon to delete an existing existing rule.
Add
Click this to add a new default action that the firewall takes .
Apply
Click this to save your changes.
Cancel
Click this to restore your previously saved settings.
Page 99 / 160
Chapter 15
Firewall
99
15.1.1
Add/Edit Interface Default Policy Screen
Use this screen to edit existing firewall rules or create new ones. Click the
edit
icon next to an
existing firewall rule or click the
Add
button in the
General
screen.
Figure 52
Firewall > General: Add/Edit
Table 49
Firewall > General: Add/Edit
LABEL
DESCRIPTION
Name
Enter a descriptive name for this firewall rule.
IPVersion
Select the IP version for this firewall rule.
Packet Direction
Select the direction of traffic which applies to this firewall rule.
Default Action
Select the default action that the firewall is to take on packets that are traveling in the
selected direction and do not match any of the firewall rules.
Select
Permit
to allow the passage of the packets.
Select
Drop
to silently discard the packets without sending a TCP reset packet or an
ICMP destination-unreachable message to the sender.
15.2
Rules Screen
The
Rules
screen displays a list of the configured firewall rules. Note the order in which the rules
are listed. Click
Security > Firewall > Rules
.
Page 100 / 160
Chapter 15
Firewall
100
The ordering of your rules is very important as rules are applied in turn.
Figure 53
Security > Firewall > Rules
Table 50
Security > Firewall > Rules
LABEL
DESCRIPTION
Packet Direction
Select a direction of travel of packets for which you want to configure firewall rules.
Create a new rule
after rule number
Select an index number and click
Add
to add a new firewall rule after the selected
index number. For example, if you select “6”, your new rule becomes number 7 and
the previous rule 7 (if there is one) becomes rule 8.
The following read-only fields summarize the rules you have created that apply to
traffic traveling in the selected packet direction. The firewall rules that you
configure (summarized below) take priority over the general firewall action settings
in the
General
screen.
No.
This is your firewall rule number. The ordering of your rules is important as rules
are applied in turn.
Active
This displays whether a firewall is turned on or not. Select the check box to enable
the rule. Clear the check box to disable the rule.
Name
This displays the name of the firewall rule.
Interface
This displays the source interface to which this firewall rule applies. This is the
interface through which the traffic entered the Router.
Destination IP
Address
This displays the destination addresses or ranges of addresses to which this
firewall rule applies.
Filter Criteria
This displays the filter criteria set for this firewall rule.
Action
This field displays whether the firewall silently discards packets (
Drop
) or allows
the passage of packets (
Permit
).
Modify
Click the
Edit
icon to go to the screen where you can edit the rule.
Click the
Remove
icon to delete an existing firewall rule. A window displays asking
you to confirm that you want to delete the firewall rule. Note that subsequent
firewall rules move up by one when you take this action.

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