User guide

User Guide 65
CHAPTER 5 Configuring Firewall
Settings
The firewall configuration settings of the WatchGuard® Firebox® X
Edge control the flow of traffic between the trusted network and the
external network. The configuration you select depends on the degree
of risk you determine to be acceptable for the trusted network.
Configuring Incoming and Outgoing Services
For basic information about services, see “Services” on page 6.
Network traffic is classified as either incoming or outgoing. All traffic
originating from the external interface is incoming traffic, regardless of
the destination network behind your Firebox. Conversely, all traffic
destined for the external interface is outgoing traffic, regardless of the
location in your organization it originated from.
The default configuration of the Firebox® X Edge prevents the trans-
mission of all packets from the external network to the trusted net-
work. Change the configuration to select the types of traffic that you
want to permit. For example, to operate a Web server behind the Fire-
box X Edge, configure the HTTP service to allow incoming connections
and specify the IP address of the Web server (the internal computer
that wil receive the requests for Web pages).
Select carefully the number and the types of services that you add.
Added services decrease the security of your network. Be sure to com-