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# Rules

Firewall rules are more fine grained filtering rules for filtering your traffic.

## View

The page shows the configured rules. Each rule can be modified by clicking the **Edit** button.

Once you have chosen to edit one rule, the edit view is shown consistently, and you can quickly switch between configured rules by selecting them in the list.

### Configuration

When a particular interface is selected, details about it is shown in the configuration section.

#### General

^ Item ^ Description ^ Comment ^
| Enabled | Turn firewall rule on or off. |
| Expose To | Users with access to the rule. |
| Name | Identifier for the rule. |


#### Source / Destination

Where applicable, the configuration is divided into separate sections for **source** and **destination** zones.

^ Item ^ Description ^ Comment ^
| Zone | Device / Any / LAN / WAN |
| IP | [IPv4](/glossary/i/ipv4_address) / [IPv6](/glossary/i/ipv6_address) address. |
| MAC | [MAC](/glossary/m/mac) address.  |
| Port | [Port](/glossary/p/port) affected. |


#### Parameters

^ Item ^ Description ^ Comment ^
| IP version | Any / [IPv4](/glossary/i/ipv4)  / [IPv6](/glossary/i/ipv6)  |
| Protocol | Protocol affected: ([UDP](/glossary/u/udp) / [TCP](/glossary/t/tcp) / [ICMP](/glossary/i/icmp) / TCP + UDP / [ESP](/glossary/e/esp)) |
| Firewall action | [Firewall action](/glossary/f/firewall_action) to perform. |



### Add Firewall Rule

* Click the **Add** button

A new rule named `new_rule` is added at the bottom of the list.

* Click the **Edit** button for the new rule

* Enter properties as needed.

* Click **OK**

* Click **Apply**


### Reorder Firewall Rules

The firewall rules are applied in order from top to bottom in the list.

 You can rearrange the rules by using the buttons:

| {{/icon/up.png?nolink}} | Move up | |
| {{/icon/down.png?nolink}} | Move down | |