Zoom ADSL X6v Manuel d'utilisateur Page 103

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Chapter 6: Using Router Setup
103
You use the settings on the Add Firewall Policy Rule page to
configure your firewall security. In setting your criteria or rules,
it is important to know whether you want to block traffic or
allow traffic into your network. This is controlled by the
Traffic Inbound and Traffic Outbound settings where you
choose Allow or Block. After you determine what you want to
do, you then fill in the other settings to specify what it is that
you want to block or allow.
Suppose you enter Allow in the Traffic Inbound and
Outbound settings and Any in the Src Address setting. This
sets the firewall to allow any traffic into your network.
Conversely, suppose you choose Block for Traffic Inbound,
choose Assign for Src Address and specify a range of IP
addresses. This sets the firewall to block all traffic that has the
IP addresses you specified.
The following table shows you the criteria that you can enter:
Setting Description
Source
Address
Lets you specify Any for all IP
addresses or a specific range of IP
addresses from a particular source
to be blocked or allowed.
Destination
Address
Lets you specify Any for all IP
addresses or a specific range of IP
addresses of a destination to be
blocked or allowed.
IP Protocol Lets you specify a protocol to be
blocked or allowed. eq is equals
and neq is not equal. For
example, eq TCP will allow only
TCP. neq TCP will allow
everything including TCP.
Source Port Lets you block or allow traffic
from a particular port.
Destination
Port
Lets you block or allow traffic
going to a destination port.
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