You can configure settings to allow packets to be forwarded to systems running behind the firewall. These settings are for systems using IPv4.
- Choose Security from the Configuration Menu.
Scroll to Forwarding WAN Firewall Settings.
Configure settings using the information in the following table as a guide. When you have finished configuring settings, click Submit to make your changes take effect.
Forwarding WAN Firewall Parameters
Item Description Forwarding WAN Firewall Settings
Tip: Use CLI to view the active firewall logs in /var/log/messages.
Enable PPTP Sever Pass-Through
Select the Enable PPTP Server Pass-through checkbox to allow TCP port 1723 to be forwarded through the system to the defined PPTP Server IP Address.
The server is placed on the LAN side with a private IP address, which allows Windows PPTP to pass through to a Windows server, but firewalls the server from other traffic.
Caution: Enabling PPTP server pass-through and the PPTP server on this system can cause intermittent behavior on both servers. It is recommended that only one server be enabled at a time.
PPTP Server IP Address
Enter the private PPTP server IPv4 IP address. All outside users will use the system’s public IP address to access the PPTP server. The Windows server has a private IP address, which is handled by the system using NAT.
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