All-To-One Mappings (N:1) - D-Link NetDefend DFL-210 User Manual

Network security firewall
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7.3.3. All-to-One Mappings (N:1)

4.
Click OK
Publish the public adresses in the wan interface using ARP publish. One ARP item is needed for every IP
address:
1.
Go to Interfaces > ARP > Add > ARP
2.
Now enter:
Mode: Publish
Interface: wan
IP Address: 195.55.66.77
3.
Click OK and repeat for all 5 public IP addresses
Create a SAT rule for the translation:
1.
Go to Rules > IP Rules > Add > IPRule
2.
Specify a suitable name for the rule, eg. SAT_HTTP_To_DMZ
3.
Now enter:
Action: SAT
Servce: http
Source Interface:any
Source Network: all-nets
Destination Interface: core
Destination Network: wwwsrv_pub
4.
Switch to the SAT tab
5.
Make sure that the Destination IP Address option is selected
6.
In the New IP Address dropdown list, select wwwsrv_priv
7.
Click OK
Finally, create a corresponding Allow Rule:
1.
Go to Rules > IP Rules > Add > IPRule
2.
Specify a suitable name for the rule, eg. Allow_HTTP_To_DMZ
3.
Now enter:
Action: Allow
Service: http
Source Interface:any
Source Network: all-nets
Destination Interface: core
Destination Network: wwwsrv_pub
4.
Click OK
7.3.3. All-to-One Mappings (N:1)
215
Chapter 7. Address Translation

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