Linksys WRVS4400N User Manual page 66

Setting Up and Configuring the Router
Firewall Tab
Priority—Defines the order on which rule is checked against first. The smaller number has
higher priority. The default rules will always be checked last.
Enable—Tells the Router if the rule is active or not. You can have rules defined in the ACL Table
but in an inactive state. The administrator can decide on when to enable specific ACL rules
manually.
Action—Defines how the rule is to affect the traffic. It can be either Allow or Deny. If the rule is
matched and the action is Allow, the packet will be forwarded. If the rule is matched and the
action is Deny, the packet will be dropped.
Service—Select one of the pre-defined services in the drop-down menu or you can define new
services by clicking the Service Management button. When you defined your own service, it
will be listed on the top of the drop-down menu. You can also select ALL to allow or block all
types of IP traffic.
The User-defined Service GUI page can be either accessed from the New Rule screen by clicking
Service Management button, or you can access it directly from the 2nd layer tab under
Firewall.
Source Interface—Select LAN, WAN, or ANY interface.
Source—The source IP address to be matched against. You can define a Single IP address, a
Range of IP addresses (start IP and end IP), a Network (IP Prefix and Network Mask), or ANY IP
addresses.
Destination—The destination IP address to be matched against. You can define a Single IP
address, a Range of IP addresses (start IP and end IP), a Network (IP Prefix and Network Mask),
or ANY IP addresses.
Time—Displays the time period this rule will be enabled (used together with Date). It can be
set to Any Time.
Date—Displays the days in a week this rule will be enabled (used together with Time). It can be
set to Any Day.
Edit button—Use this button to go to Edit IP ACL Rule screen and modify this rule.
Delete button—Use this button to delete the ACL rule from the list.
The following is a description of the buttons in the IP Based ACL screen:
Page Selections—Select specific page of ACL list from the drop-down menu to be displayed.
Or navigate them page by page through Previous Page and Next Page button.
Add New Rule—Click this button to enter the page to define a new ACL rule.
Disable All Rule—Click this page to disable all the user defined rules.
Delete All Rule—Click this page to delete all the user defined rules.
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