Black Box LR11xx Series Router Configurations Guide
Blackbox/configure> system licenses vpn_plus_firewall
Enter Security Upgrade License key: 024f3bc296b4ea7265
10.2Firewall Configuration Examples
10.2.1Basic Firewall Configuration
Figure 18 illustrates the basic elements of a firewall. Refer to this illustration in the configuration example below.
Figure 18 Basic Firewall Configuration
Remote | www.yahoo.com | |
Web server | ||
User | ||
| ||
Forward PAT | Internet | |
Reverse NAT | ||
| ||
10.2.1.0/24 |
| |
CORP | DMZ | |
| ||
| 10.3.1.0/24 | |
| FTP Server |
A typical and basic firewall implementation is one which protects traffic to and from a network, a server farm, and the Internet. In this example, the firewall features in the Black Box router will protect the CORP network and the server farm in the DMZ from unauthorized access from the Internet.
To create this basic
Step 1:Configure the Ethernet interfaces and the WAN interfaces with IP addresses:
66
