User manual ASUS U31SD

[. . . ] Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners' benefit, without intent to infringe. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT. Copyright © 2003 ASUSTeK COMPUTER INC. [. . . ] Other numbers Select other numbers to indicate the priority you wish to assign to the rule. ASUS VPN ADSL Router 63 Chapter 9 Chapter 9 Source IP This section allows you to set the source network to which this rule should apply. Use the drop-down list to select one of the following: LAN This option allows you to apply this rule inclusively on all computers in your local network. IP Address This option allows you to specify an IP address on which this rule will be applied. IP Address: Specify the appropriate network address in the blank field. Subnet This option allows you to include all the computers that are connected in an IP subnet. When this option is selected, the following fields become available for entry: Subnet Address: Enter the appropriate IP address in the blank field. Subnet Mask: Enter the corresponding subnet mask in the blank field. IP Range This option allows you to include a range of IP addresses for applying this rule. The following fields become available for entry when this option is selected: Start IP: Enter the starting IP address of the range End IP: Enter the ending IP address of the range IP Pool This option allows you to include a pool of IP addresses for applying this rule. The following fields become available for entry when this option is selected: IP Pool: You can associate a pre-configured IP pool (see section 9. 9. 3) that you had added to the rule. Chapter 9 64 ASUS VPN ADSL Router Chapter 9 Destination IP This section allows you to set the destination network to which this rule should apply. Use the drop-down list to select one of the following: WAN This option allows you to apply this rule inclusively on all computers in the external network. HTTP: Only "None" available for the time being. RPC: Only "None" available for the time being. SMTP: Only "None" available for the time being. Log Select "Enable" radio button to enable logging for this ACL rule; otherwise, select "Disable". VPN This option allows you to select the check box if this policy corresponds to VPN policy. ASUS VPN ADSL Router 67 Chapter 9 Chapter 9 9. 4. 2 Add an Outbound ACL Rule To add an outbound ACL rule, follow the instructions below: 1. Log into Configuration Manager as admin, click the Firewall menu, and then click Outbound ACL submenu. The Firewall Outbound ACL Configuration page displays, as shown in Figure 9. 3. Note that when you open the Outbound ACL Configuration page, a list of existing ACL rules are also displayed in the lower half of the configuration page such as those shown in Figure 9. 3. 2. Select "Add New" from the "ID" drop-down list. Set desired action (Allow or Deny) from the "Action" drop-down list. Make changes to any or all of the following fields: source/destination IP, source/destination port, protocol, port mapping, log, and VPN. Please see Table 9. 2 for explanation of these fields. Assign a priority for this rule by selecting a number from the "Move to" drop-down list. Note that the number indicates the priority of the rule with 1 being the highest. [. . . ] The subnet is distinguished from the larger network by a subnet mask which selects some of the computers of the network and excludes all others. The subnet's computers remain physically connected to the rest of the parent network, but they are treated as though they were on a separate network. Subnet mask A mask that defines a subnet. TCP (See TCP/IP) TCP/IP (Transmission Control Protocol/Internet Protocol) The basic protocols used on the Internet. [. . . ]