User`s manual

Addresses
All DFL-500 policies require source and destination IP addresses. By default the DFL-500 includes two
addresses that cannot be edited or deleted:
• Internal_All on the Internal address list which represents the IP addresses of all of the computers on your
internal network
• External_All on the External address list which represents the IP addresses of all of the computers on the
Internet
You can add the following types of addresses:
• Internal addresses define addresses on your internal network
In NAT mode, Internal addresses can be the source address of an Int to Ext policy. In Transparent mode,
internal addresses can be the source address of an Outgoing policy and the destination address of an
Incoming policy.
• External addresses define addresses on the Internet
In NAT mode, external addresses can be added to the source address of an Incoming policy and the
destination addresses of an Int to Ext policy.
In Transparent mode, external addresses can be the source address of an Incoming policy and the
destination addresses of an Outgoing policy.
This section describes:
• Adding addresses
• Editing addresses
Adding addresses
• Go to Firewall > Address .
Click the tab corresponding to the type of address you want to add.
• Click New to add a new address.
• Enter an Address Name to identify the address.
The name can contain numbers (0-9) and upper and lower case letters (A-Z, a-z), and the special
characters - and _. Spaces and the @ character are not allowed.
• Add the IP Address.
The IP Address can be the IP address of a single computer (for example, 192.45.46.45) or the address of
a subnetwork (for example, 192.168.1.0).
• Add the NetMask.
The Netmask should correspond to the address. The Netmask for the IP address of a single computer
should be 255.255.255.255, The Netmask for a subnet should be 255.255.255.0.
• Click OK to add the address.
DFL-500 User’s Manual
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