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Configure pfSense Firewall

IMPORTANT:

  • Details in this document are for reference only and are unsupported by the Flowroute support staff.
  • Please use as purely reference material; we make no guarantees that this information is correct, or will not harm your system. Please be careful and always keep a backup of anything before you make changes, or alter settings.
 
 

The following article describes configuring the pfSense firewall. The SIP device should be assigned a fixed IP either via DHCP or by configuring it with a static IP. 

NOTE: This information applies to pfSense versions 1.2.3 and 2.0.1.
To configure pfSense firewall:
  1. In the pfSense UI, click Firewall, click NAT, and then click the Outbound tab.
  2. Click the Manual Outbound NAT rule generation radio button, and then click Save.

  3. In the Mappings section, create a new rule at the start of the list using the following minimum required values: 

    • Interface: [relevant external interface]
    • Source: [IP of the SIP device]
    • Static Port: YES
     

    Rules are processed in order from topmost to bottommost; by adding this as the first rule, it will be processed first. 

    NOTE: For more information static NAT ports, see the pfSense web site. 

    Example outbound NAT settings 

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  4. Click Save.
  5. Repeat the steps above for each rule you want to add and organize those rules in the order by which you want them processed.
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