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====== PFSense - UPNP (Universal Plug and Play) ======

UPnP and NAT-PMP both allow devices and programs that support them to automatically add dynamic port forwards and firewall entries.

<WRAP alert>
**ALERT:**  Risks!!!

Any service that allows a client device to dynamically open ports on a firewall can pose a risk to the network.

A mischievous application could pose as a UPnP client and open up the system to hackers.

pfSense does provide ability to unlock only for certain IP / CIDR ranges, but this is still open to abuse.

It is safer to rather open ports on a case by case  basis.
</WRAP>

----

===== Configure UPNP =====


Navigate too **Services -> UPnP & NAT-PMP**.

Configure the following options:

  * **Enable:**  Enabled UPnP & NAT-PMP ticked.
  * **UPnP Port Mapping:**  Allow UPnP Port Mapping Ticked.
  * **NAT-PMP Port Mapping:**  Allow NAT-PMP Port Mapping ticked.
  * **External Interface:**  Select your external interface, usually WAN,
  * **Interfaces:**  Select the interfaces where UPnP/NAT-PMP clients exist.

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===== Advanced UPnP & NAT-PMP Configuration =====

  * **Enable:**  Enabled UPnP & NAT-PMP ticked.
  * **UPnP Port Mapping:**  Allow UPnP Port Mapping Ticked.
  * **NAT-PMP Port Mapping:**  Allow NAT-PMP Port Mapping ticked.
  * **External Interface:**  Select your external interface, usually WAN,
  * **Interfaces:**  Select the interfaces where UPnP/NAT-PMP clients exist.
  * **Default Deny:**  Deny access to UPnP & NAT-PMP by default ticked.

The **Default Deny** will automatically deny any UPnP & NAT-PMP requests from clients unless an ACL (Access Control List) is set.

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===== ACL (Access Control List) =====

Syntax:

<code>
[allow or deny] [external single port or range of ports] [single IP address or a single range] [internal single port or range]
</code>

Example:

<code>
allow 1024-65535 192.168.1.2 1024-65535

allow 12345 192.168.1.0/24 50000-65535
</code>

----

===== ACL (Access Control List) for PS3 and PS4 =====

<code>
allow 80-65535 192.168.1.45/32 80-65535
</code>

where the PS has a static IP of 192.168.1.45

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<WRAP info>
**NOTE:**  Remember to click **Save**.
</WRAP>