Security
79
D6300 WiFi DSL Modem Router
The Firewall Rules screen lists all firewall rules that have been changed from their default
settings. The default rules allow all outgoing traffic and block all incoming traffic.
• T
o change the firewall rules for outbound traffic, you need to edit them from the
Outbo
und Services screen as described in Step 2.
• To change the firewall rules for inbound traffic,
you need to edit them from the Port
Forwarding/Port Triggering screen as described in Port Forwarding and Triggering on
pa
ge 102.
The Outbound Services and Inbound Services screens list th
e available services
you can
allow or block. You can also define your own custom services to allow or block with the
Add Service screen as described in Add Custom Services to Allow or Block on p
age 80.
Once you add your own custom services, they are available on the Outbound Services
and Inb
ound Services screens.
You can also specify whether these services are always allowed or b
l
ocked, or allowed or
blocked per schedule as described in Schedule for Firewall Rules on page 82
.
2. Outbound Services. T
o allow or block an outbound service, click Add to display the
following screen:
Use the Outbound Services screen to define a new outbound firewall rule, or edit an
existing rule. The outbound firewall rules are used to block or allow access by computers
on your network to services or applications on the Internet.
a. Service. Select th
e se
rvice or application to be covered by this rule. If the service or
application you want does not appear in the list, you have to define it as described in
Add Custom Services to Allow or Block on page 80
.
b. Action. Select the action you want
for traffic covered by this rule:
• BLOCK always. Always block the
traffic covered by this rule.
• BLOCK by sche
dule, otherwise Allow. Allow the traffic covered by this rule,
unless it is blocked according to the schedule specified on the Schedule screen in
Schedule for Firewall Rules on page 82.
• ALLOW always.
Always allow the traffic covered by this rule (this selection is the
default setting).
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