User manual ASUS SL1200 SL1200 QUICK INSTALLATION GUIDE (ENGLISH)

[. . . ] Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing. 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. [. . . ] Use the drop-down list to select one of the following options: Any Single Port Number Range Select this option if you want this rule to apply to all applications with an arbitrary source port number. This option allows you to apply this rule to an application with a specific source port number. Enter the source port number Select this option if you want this rule to apply to applications with this port range. The following fields become available for entry when this option is selected. Begin End Enter the starting port number of the range Enter the ending port number of the range Destination Port This option allows you to set the destination port to which this rule should apply. Use the drop-down list to select one of the following options: Any Select this option if you want this rule to apply to all applications with an arbitrary destination port number. 55 Chapter 9. Configuring Firewall/NAT Settings Internet Security Router User's Manual Field Single, Range Service Description Select any of these and enter details as described in the Source Port section above. This option allows you to select any of the pre-configured services (selectable from the drop-down list) instead of the destination port. The following are examples of services: BATTLE-NET, PC-ANYWHERE, FINGER, DIABLO-II, L2TP, H323GK, CUSEEME, MSN-ZONE, ILS, ICQ_2002, ICQ_2000, MSN, AOL, RPC, RTSP7070, RTSP554, QUAKE, N2P, PPTP, MSG2, MSG1, IRC, IKE, H323, IMAP4, HTTPS, DNS, SNMP, NNTP, POP3, SMTP, HTTP, FTP, TELNET. Note: service is a combination of protocol and port number. They appear here after you add them in the "Firewall Service" configuration page. Protocol This option allows you to select protocol type from a drop-down list. 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. Higher priority rules will be examined prior to the lower priority rules by the firewall. Click on the button to create the new ACL rule. The new ACL rule will then be displayed in the outbound access control list table at the bottom half of the Outbound ACL Configuration page. Figure 9. 10 illustrates how to create a rule to allow outbound HTTP traffic. This rule allows outbound HTTP traffic to be directed to any host on the external network for a host in your LAN w/ IP address 192. 168. 1. 15. Figure 9. 10. Outbound ACL Configuration Example 9. 4. 4 Modify Outbound ACL Rules To modify an outbound ACL rule, follow the instructions below: 1. Open the Outbound ACL Rule Configuration Page (see section 9. 4. 2 Access Outbound ACL Rule Configuration Page). Click on the icon of the rule to be modified in the outbound ACL table or select the rule number from the "ID" drop-down list. Make desired changes to any or all of the following fields: action, source/destination IP, source/destination port, protocol, NAT, time ranges, application filtering, log, and VPN. [. . . ] An interactive, character-based program used to access a remote computer. While HTTP (the web protocol) and FTP only allow you to download files from a remote computer, Telnet allows you to log into and use a computer from a remote location. Trivial File Transfer Protocol A protocol for file transfers, TFTP is easier to use than File Transfer Protocol (FTP) but not as capable or secure. Time To Live A field in an IP packet that limits the life span of that packet. [. . . ]