Security
81
D6300 WiFi DSL Modem Router
You can also specify whether these services are always allowed or blocked, or allowed or
blocked per schedule as described in
83.
5.
To allow or block an outbound service, click the
Add
button.
The Outbound Firewall Rule page displays.
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 the service 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
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 schedule, otherwise Allow
. Allow the traffic covered by this rule,
unless it is blocked according to the schedule specified on the Schedule screen in
•
ALLOW always
. Always allow the traffic covered by this rule (this selection is the
default setting).
•
ALLOW by schedule, otherwise Block
. Block the traffic covered by this rule,
unless it is blocked according to the schedule specified on the Schedule screen in
ALLOW rules are useful only when the traffic is already covered by a BLOCK rule.
You would use these rules when you want to allow a subset of traffic that is currently
blocked by another rule.
c. LAN Users
. These settings determine which computers on your network are
affected by this rule, based on their source (LAN) IP address. Select the option you
want:
•
Any
. All local IP addresses are covered by this choice.
•
Address range
. You have to fill in the Start and End fields when this option is
selected.
•
Single address
. Enter the required address in the Start field.
d. WAN Servers
. These settings determine which Internet locations are covered by the
rule, based on their destination (WAN) IP address. Select the option you want:
•
Any
. All Internet IP addresses are covered by this choice.
•
Address range
. You have to fill in the Start and End fields when this option is
selected.
•
Single address
. Enter the required address in the Start field.
e. Log
. This setting determines whether traffic covered by this rule is logged. Select
the action you want:
•
Always
. This choice always logs traffic that is covered by this rule, whether it
matches or not. (This feature is useful when you are debugging your rules.)