Cisco Firepower 2100 Getting Started Manual page 155
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Firepower Threat Defense Deployment with CDO
The default route normally points to the upstream or ISP router that resides off the outside interface. A default
IPv4 route is for any-ipv4 (0.0.0.0/0), whereas a default IPv6 route is for any-ipv6 (::0/0). Create routes for
each IP version you use. If you use DHCP to obtain an address for the outside interface, you might already
have the default routes that you need.
Note
The following example shows a default route for IPv4. In this example, isp-gateway is a network object that
identifies the IP address of the ISP gateway (you must obtain the address from your ISP). You can create this
object by clicking Create New Object at the bottom of the Gateway drop-down list.
Figure 47: Default Route
Step 8
Choose Management > Policy and configure the security policies for the network.
The initial setup enables traffic flow between the inside-zone and outside-zone, and interface NAT for all
interfaces when going to the outside interface. Even if you configure new interfaces, if you add them to the
inside-zone object, the access control rule automatically applies to them.
However, if you have multiple inside interfaces, you need an access control rule to allow traffic flow from
inside-zone to inside-zone. If you add other security zones, you need rules to allow traffic to and from those
zones. These would be your minimum changes.
In addition, you can configure other policies to provide additional services, and fine-tune NAT and access
rules to get the results that your organization requires. You can configure the following policies:
• SSL Decryption—If you want to inspect encrypted connections (such as HTTPS) for intrusions, malware,
and so forth, you must decrypt the connections. Use the SSL decryption policy to determine which
connections need to be decrypted. The system re-encrypts the connection after inspecting it.
The routes you define on this page are for the data interfaces only. They do not impact the
management interface. Set the management gateway on Management > Settings > Management
Access.
Configure the Device in CDO
Cisco Firepower 2100 Getting Started Guide
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