Action – USRobotics U.S. Robotics SureConnect ADSL Ethernet/USB Router User Manual

Page 102

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U.S. Robotics SureConnect ADSL Ethernet/USB Router User Guide

Dest Net
Mask

Subnet Mask for the data’s network destination. Options range
from /12 (255.240.0.0) to /32 (255.255.255.255).

Source Port

Transport layer source port. Options range from 0 to 65,535.

Protocol

IP protocols to be filtered. Options are: Any (all), TCP, UDP,
ICMP, AH, ESP.

TCP Flags

Filtering of the TCP Flags that control session setup and
termination. Options are: None, urg (Urgent), ack
(acknowledgment), psh (push), rst (reset), syn (synchronize), fin
(finished).

After you complete your configuration, proceed to the Basic Menu and enter 8. The Save &
Reboot Menu appears. From this menu, save your changes and reboot the router.

List Firewall Policies. Enter 2 at the Policies Menu. The List Firewall Policies Menu
appears. This menu displays implemented firewall policies. Press <ENTER> to see the
next page in the list.

Delete Firewall Policies. Enter 3 at the Policies Menu. The Delete Firewall Policies Menu
appears. This menu allows you to delete Firewall policies.

Main Menu=>Advanced=>Firewall=>Firewall Policies=>

Action

Enter 2 at the Firewall Policies Menu. The Action Menu appears. This menu allows you to add,
list, or delete firewall actions.

Add Firewall Action. Enter 1 at the Action Menu. The Firewall Action Add Menu appears.
To add a firewall action, set the following parameters…

Firewall Action Parameters

Policy Term

Definition

Interface Name

Name of the Interface to apply the parameter to.

Direction

Specifies whether the action applies to incoming, outgoing, or
both incoming and outgoing traffic. Options are Any, In, and
Out.

FW Action

How the system handles packets. Your sub-options include…

Allow

Permits packets to enter or leave the system.

Reset

Forces the TCP connection to reset

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