User manual ASUS SL6000

[. . . ] ® VPN ADSL Router SL6000/SL6300 User's Manual Copyright Information No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT. 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. [. . . ] 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: Enter the IP pool number in the blank field. Range 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 Port: Enter the starting port number of the range End Port: Enter the ending port number of the range ASUS VPN ADSL Router 65 Chapter 9 Chapter 9 Source Port Any Select this option if you want this rule to apply to all applications with an arbitrary source port number. Single This option allows you to apply this rule to an application with a specific source port number. Port: Enter the source port number Destination Port Any Select this option if you want this rule to apply to all applications with an arbitrary source port number. Chapter 9 66 Single This option allows you to apply this rule to an application with a specific source port number. Port: Enter the destination port number Range 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 Port: Enter the starting port number of the range End Port: Enter the ending port number of the range Service 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. ASUS VPN ADSL Router Chapter 9 Protocol You may select proper protocols here, including "All", "TCP", "UDP", "ICMP", "AH" and "ESP". NAT Type None Select this to not use NAT. NAT Pool Select this to use the associated IP addresses in the NAT Pool (see section 9. 9. 2. IP Address Select this option to specify the IP address of the computer that you want the incoming traffic to be directed. Interface Select the external interface as the NAT IP address. Time Range Only "Always" available for the time being. Application Filters FTP: Only "None" available for the time being. HTTP: Only "None" available for the time being. [. . . ] TCP is responsible for dividing data up into packets for delivery and reassembling them at the destination, while IP is responsible for delivering the packets from source to destination. When TCP and IP are bundled with higher-level applications such as HTTP, FTP, Telnet, etc. , TCP/IP refers to this whole suite of protocols. Telnet 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. [. . . ]