How do I configure transparent mode on my DFL Series Firewall?

This FAQ will demonstrate setting up transparent mode for remote desktop for a computer running on the LAN port with a public IP address assigned.

Note: You may consider binding a secondary IP address on one NIC that match the new network segment for this configuration.

Step 1: Open the web browser and type the IP address of the router in the address bar (default is 192.168.1.1) and press Enter.

Step 2: On the left side, click on Objects, select Address Book, and select Interface Addresses.



Step 3: Click on lan_ip and change the lan_ip to the public IP address you wish to use, click OK.



Step 4: Click on lannet and change the lannet to the public network segment, click OK.



Step 5: Click on Interfaces, select Ethernet and select Wan1 and configure as followed:

• Name: wan1
• IP address: Wan1_ip
• Network: all-nets
• Default Gateway: None
• Enable Transparent Mode: check to enable

Click OK.



Step 6: Click on Interfaces, select Ethernet and select lan and configure as followed:

• Name: lan
• IP address: lan_ip
• Network: all-nets
• Default Gateway: None
• Enable Transparent Mode: check

Click OK.



Step 7: Click on Rules, select IP Rules, select Add and choose IP Rule Folder.



Step 8: Name the IP rule folder as desired. Click OK.



Step 9: Click Add to add a new IP Rule and configure the new IP Rule as followed:

• Name: enter a name as desired
• Action: Allow
• Service: rdp
• Schedule: None
• Source Interface: Wan1
• Source Network: all-nets
• Destination Interface: lan
• Destination Network: all-nets

Click OK.



Step 10: Click Add to add new IP Rule and configure the new IP Rule as followed:

• Name: enter a name as desired
• Action: Allow
• Service: all_services
• Schedule: None
• Source Interface: lan
• Source Network: all-nets
• Destination Interface: Wan1
• Destination Network: all-nets

Click OK.



Step 11: Click on Configuration tab and select Save and Activate. Click OK to activate and save the changes.