Appendix A. Firewall and network configuration 795
c. When the (Local) Interfaces window appears, ensure that the interfaces
are configured as seen in Figure A-4. If not, make the necessary update.
Table A-4 Firewall interface configuration
Network object configuration
Network objects are used to set up connections between secure and non-secure
networks. Network objects types are as follows:
Host: a particular node on your network with a mask of 255.255.255.255.
Network: a collective range of network addresses that is characterized by an
address range and a specific subnet mask.
To define network objects, do the following:
1. Double-click
Network Objects.
2. Double-click
<New> Single Add a Network Object.
3. When the Identification window appears, enter the information shown in
Table A-5 for each firewall (fw1, fw2) and then click
OK.
Table A-5 Network object configuration
Non-secure interface IP Secure interface IP
fw1
10.0.0.1 (Internet) 10.100.0.1 (DMZ)
fw2
10.100.0.2 (DMZ) 9.24.105.51 (Intranet)
Object type Object name Description IP Address Subnet Mask
fw1
Network The World The World (default) 0 0
Network DMZ DMZ 10.100.0.0 255.255.255.0
Host www.itso.ibm.com WWW site accessible
by Web client. Maps to
Network Dispatcher
cluster.
10.0.0.2 255.255.255.255
fw2
Network Intranet Intranet 9.24.105.0 255.255.255.0
Host webaix1 DMZ Web server 1 10.100.0.200 255.255.255.255

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