OfficeConnect Internet Firewall 25 Internet Firewall DMZ. QuickStart Guide (3C16770, 3C16771)

Transcription

1 OfficeConnect Internet Firewall 25 Internet Firewall DMZ QuickStart Guide (3C16770, 3C16771)

2 Checking Package Contents Getting Started Thank you for purchasing the OfficeConnect Internet Firewall. The Internet Firewall acts as a secure barrier between the private LAN and the public Internet to protect your network from security threats on the Internet. One OfficeConnect Internet Firewall This QuickStart Guide One OfficeConnect Internet Firewall User Guide One OfficeConnect Internet Firewall CD One OfficeConnect Network Assistant CD - Not Illustrated One Power Adapter (country specific) Two 10Base-T Ethernet cables One Stacking Clip One Accessory Pack (cable ties, rubber feet, and labels) - Not Illustrated This QuickStart guide assumes that you have an Ethernet network connected to the Internet. Note: This guide covers initial installation setup instructions for OfficeConnect Internet Firewall 25 and OfficeConnect Internet Firewall DMZ. These instructions are the same for both models. Please refer to your User Guide for comprehensive setup instructions and hardware specifications. Below are rear panel descriptions for each OfficeConnect Internet Firewall. The Internet Firewall 25 has LAN and WAN ports. The Internet Firewall DMZ has LAN, WAN and DMZ ports. This QuickStart Guide will only discuss the LAN and WAN ports. For information on using the DMZ port of the Internet Firewall DMZ, please refer to your User Guide. If any items are missing from your package, contact your reseller immediately. OfficeConnect Internet Firewall 25 OfficeConnect Internet Firewall Internet Firewall User Guide CD Power Adapter Socket LAN WAN Uplink/Normal Switch OfficeConnect Internet Firewall DMZ Power Adapter Socket Power Adapter Ethernet Cables Stacking Clip LAN DMZ Uplink/Normal Switches WAN

3 Installing The Internet Firewall Start by placing your Internet Firewall on a hard, flat surface near your cable modem, DSL modem or Internet router. Note: The Internet Firewall 25 front and rear panel views differ from those of the Internet Firewall DMZ below. The same instructions, however, apply to both models. 1 Connect the Internet Firewall to the Internet Attach the Internet Firewall's WAN port to your cable modem, DSL modem or Internet router, using the Ethernet cable. After you apply power, verify that the Link LED on the Internet Firewall's WAN port is lit. 2 Connect the Internet Firewall to Your Network Connect an Ethernet cable to the Internet Firewall's LAN port. Connect the other end to your LAN hub. 3 Apply Power to the Internet Firewall Attach the power adapter to the power adapter socket on the Internet Firewall and plug the other end into a power outlet. The Internet Firewall's Power LED will flash for approximately 90 seconds as it performs a series of diagnostic tests. 4 Check Link LEDs The WAN Link LED, the LAN Link LED on the Internet Firewall should light up. If the Link LED on the LAN port does not light up after applying power, press the Uplink/Normal switch located next to the LAN port.

4 Setting Up a Management Station You can administer your OfficeConnect Internet Firewall from any computer on your LAN. This will be called the "Management Station." The Internet Firewall's preconfigured IP address is To contact the Internet Firewall for the first time, you will need to change the IP address of the management station to Configure TCP/IP Settings If the Management Station is running Windows 95, 98, 2000, or NT 4.0, do the following: 1 From the Start menu, choose Settings and then choose Control Panel. 2 Then double-click the Network icon. 3 In the Network window's Configuration tab, select TCP/IP and click the Properties button. Internet Firewall A TCP/IP Properties window will appear. Internet Firewall 4 Click the IP Address tab. LAN Hub 5 6 Select the Specify an IP address radio button. Enter in the IP Address field. 7 Enter in the Subnet Mask field. Management Station, change IP address to Replace any existing information in the Gateway tab with Click OK and then click OK again to close the Network control panel. 6 Restart your PC for changes to take effect.

5 Logging In Now that you have changed your computer's IP address, you will need to log into the Internet Firewall. 7 Configure the Internet Firewall Launch your Web browser. Please note that you may need IP addressing details provided by your Internet Service Provider (ISP) to complete the Installation Wizard. Contact your ISP if you are missing this information. Type into the Location or Go to field at the top of your browser. The Web browser software used must support JAVA and HTTP uploads in order to fully manage the Internet Firewall. Netscape Navigator 4.0 and above, as well as IE 5.0, are recommended. If you don't have Netscape installed on your computer, you will find it on the OfficeConnect Internet Firewall CD. Please register your OfficeConnect Internet Firewall on 3Com's Web site at Registered users can take advantage of automatic firmware update notification and a free 30 day subscription to the Web Site Filter. 8 The Installation Wizard The first time you log into the Internet Firewall, the Installation Wizard is automatically launched. The Installation Wizard will guide you through the initial setup. Note: Certain browser configurations may not invoke the wizard. In this case, you must login with the User Name "admin" and the Password "password" and follow the instructions in the manual to configure the Internet Firewall. Note: Once you have completed the Installation Wizard and restarted the Internet Firewall, you will be able to manage the Internet Firewall by typing the URL specified in the Wizard's Congratulations window into a Web browser. You must login with the User Name "admin" and the Password that you defined in the Installation Wizard.

6 Configuring Computers on the LAN A After completing the initial configuration, the Installation Wizard will display a page with instructions to configure the computers on your LAN. Complete either 9A or 9B depending on answers in the Wizard. DHCP Server Enabled If you enabled the Internet Firewall DHCP server, you will see a screen similar to the following: B DHCP Server Disabled If you did not enable the Internet Firewall DHCP server, you will see a screen similar to the following: Print this screen. You will need the information to properly configure the computers on your LAN. After the Internet Firewall has restarted, change the network settings on the computers on the LAN. Each computer on the LAN must be configured to get its IP address dynamically. On a Windows computer, do the following: 1 From the Start menu, choose Settings. 2 Then choose Control Panel. 3 Double-click the Network icon. 4 Then double-click TCP/IP. 5 Click Obtain an IP Address Automatically. 6 Click OK and then click OK again. Restart the computers on the LAN to complete the update of their network settings. The Internet Firewall is now functioning and protecting the LAN from Internet-based attacks and break-ins. After the Internet Firewall has restarted, change the network settings on the computers on the LAN. Configure each computer with a static IP address on the same subnet as the Internet Firewall's IP address. On a Windows computer, do the following: 1 From the Start menu, choose Settings. 2 Then choose Control Panel. 3 Double-click the Network icon. 4 Then double-click TCP/IP. 5 Click Specify an IP address. 6 Enter an IP address in the range indicated in your Wizard restart screen in the IP Address field. 7 Enter the subnet mask indicated in your Wizard restart screen in the Subnet Mask field. 8 Clear any existing information in the Gateway tab and add the New gateway as shown in your Wizard restart screen. 9 Click on the DNS Configuration tab and add the DNS server information provided by your ISP. 10 Click OK and then click OK again. Restart the computers on the LAN to complete the update of their network settings. The Internet Firewall is now functioning and protecting the LAN from Internet-based attacks and break-ins.

7 Copyright 2000, 3Com Technologies. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Technologies. 3Com Technologies reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Technologies to provide notification of such revision or change. 3Com Technologies provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time. If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as a separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE.TXT or LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you. UNITED STATES GOVERNMENT LEGEND If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the following: All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as "Commercial Computer Software" as defined in DFARS (June 1995) or as a "commercial item" as defined in FAR 2.101(a) and as such is provided with only such rights as are provided in 3Com's standard commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR (Nov 1995) or FAR (June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this User Guide. Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries. 3Com, the 3Com logo, and OfficeConnect are registered trademarks of 3Com Corporation. Windows is a registered trademark of Microsoft. JAVA is a registered trademark of Sun Microsystems. Netscape Navigator is a registered trademark of Netscape Communications. All other company and product names may be trademarks of the respective companies with which they are associated. 3Com Corporation 5400 Bayfront Plaza Santa Clara, CA DIA1677-0AAA01 Rev A. 06/00