Using the Configuration Menu (continued)
Advanced > Firewall
This Router comes equipped with a firewall. The Firewall configuration screen allows the Router to enforce specific predefined policies intended to protect against certain common types of attacks. To configure the Router’s firewall, click the Advanced tab at the top of the screen and then the Firewall tab to the left.
To configure rules for the firewall, modify the following fields and click Apply to set the rule in the Routers memory. Newly configured firewall rules will be displayed in the Firewall Rules List at the bottom of the page. To modify an entry in this list, click its corresponding edit icon. To delete an entry from this list, click its corresponding delete icon.
Firewall | Click the corresponding radio button if you wish to enable or disable |
| the firewall function on the Router. |
Name | Enter a name that will define the firewall rule to be configured. This |
| entry is dependant on how the user wishes to classify this rule. |
Action | Click whether to Allow or Deny traffic to pass through the Router by |
| checking the corresponding radio button. Users may configure only |
| specific traffic to pass through the router by checking Allow or users |
| may stop specific traffic from passing through the Router by checking |
| Deny. |
Source | Enter the IP address or range of IP addresses that you wish to block or |
| allow to pass through the router. The Source may be identified on the |
| LAN side, the WAN side or both by using the |
| Interface heading. |
Destination | Enter the IP address or range of IP addresses that you wish to deny or |
| allow access to the Internet. The Destination may be identified on the |
| LAN side, the WAN side or Both by using the |
| Interface heading. The type of protocol may also be chosen by using |
| the |
| or (*) Any. The user may also select a range of ports of the destination |
| IP addresses by entering the range under the Port Range heading. |
Schedule | Clicking Always will set the firewall permanently, unless changed by |
| the user. Alternately, the user may set up a time schedule to |
| implement the firewall, on a |
| radio button and setting the appropriate times to begin and end the |
| firewall function. |
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