Multitech PROXYSERVER MTPSR1-120 User's Guide Page 1

Dual Ethernet ProxyServerModel MTPSR1-120User Guide

10Firewall User GuideSpecifications• Protocols - Point-To-Point Protocol (PPP), and Serial Line Internet Protocol (SLIP)Ethernet Ports• Two Ethernet I

Chapter 2 - Installation

12Firewall User GuideSafety Warnings1. Never install telephone wiring during a lightning storm.2. Never install telephone jacks in wet locations unles

13Chapter 2 - InstallationV.35 Shunt ProcedureIf you are using an external DCE device on the WAN RS232/V.35 port, and the connection will bea V.35 con

14Firewall User GuideCabling Your FirewallCabling your Firewall involves making the proper Power, Command Port, and Ethernetconnections. An optional W

15Chapter 2 - Installation6. Turn on power to the Firewall by placing the ON/OFF switch on the back panel to the ONposition. Wait for the Fail LED on

16Firewall User Guide

Chapter 3 - Software Loading and Configuration

18Firewall User GuideLoading Your SoftwareThe following loading procedure does not provide every screen or option in the process ofinstalling the Fire

19Chapter 3 - Software Loading and ConfigurationThe Select Program Folder dialog box enables you to use the default or select adifferent name for the

User Guide88301501 Revision BDual Ethernet ProxyServer (Model No MTPSR1-120)This publication may not be reproduced, in whole or in part, without prior

20Firewall User GuideWizard SetupThe Wizard Setup screen gives you a process for adding the basic information needed toconfigure your Firewall. This s

21Chapter 3 - Software Loading and ConfigurationInternet LAN (LAN 2) SetupWAN Setup12. If a WAN device is connected to the WAN Port (marked RS-232/V.3

22Firewall User GuideDefault WAN Link ConfigurationThe Default WAN Link(s) Setup dialog box is used only if a device is connected to the RS-232/V.35 c

23Chapter 3 - Software Loading and Configuration21. Check to ensure that the Fail LED on the Firewall is Off after the download is completeand the Fir

24Firewall User Guide

Chapter 4 - Firewall Software

26Firewall User GuideIntroductionThis chapter describes the software used in the Firewall. It begins with the description of threetypical applications

27Chapter 4 - Firewall SoftwareDuring the loading of the Firewall software, the Secured LAN Port Parameters group (in the IPSetup dialog box) was conf

28Firewall User GuideDuring the loading of the Firewall software, the Secured LAN Port Parameters group (in the IPSetup dialog box) was configured to

29Chapter 4 - Firewall SoftwareIn the configuration shown in Figure 4-3, the Firewall is connected to the Secured (private) LANvia the LAN 1 connectio

ContentsChapter 1 - Introduction and DescriptionIntroduction ...

30Firewall User GuideFirewall Program GroupThis section describes the advanced features of your Firewall software. The major configurationparameters a

31Chapter 4 - Firewall SoftwareConfiguration Port SetupThe Configuration Port Setup program allows you to set up and configure the configuration porto

32Firewall User GuideFirewall ConfigurationTo view or change your Firewall configuration in Windows 95/98/NT, click on the Start |Programs | Firewall

33Chapter 4 - Firewall SoftwareChanging IP ParametersThe IP Setup dialog box establishes the IP addressing for your Secured (private) LAN, Internet(pu

34Firewall User GuideDHCP Relay Agent - Enabling this option allows the Firewall to relay IP address requestsfrom the Internet to the DHCP server thro

35Chapter 4 - Firewall SoftwareChanging WAN Port ParametersIn order to change the WAN port parameters of a DCE device connected to the RS232/V.35conne

36Firewall User GuideEnabling PPP/SLIPIf you wish to use Point to Point Protocol (PPP) or Serial Line IP Protocol (SLIP) on the WANport, you can enabl

37Chapter 4 - Firewall SoftwareEnabling SLIPIf you wish to configure the port for use with SLIP, click on the Enable check box in the SLIPgroup.The fo

38Firewall User GuideEnabling the DHCP ServerThe DHCP Server feature of the Firewall manages all the IP address assignments on theSecured (private) LA

39Chapter 4 - Firewall SoftwareAdding Proxy ApplicationsCertain software on your LAN may require a TCP or UDP port usage that is not currentlysupporte

Chapter 5 - Remote Configuration and ManagementIntroduction ...

40Firewall User GuideFilteringThe Filters dialog lets you configure the Firewall so that IP packets that are received by theserver can be selectively

41Chapter 4 - Firewall SoftwareEnabling Virtual ServersThe Virtual Server Setup dialog box allows you to assign a virtual address to a statically assi

42Firewall User GuideStatisticsThe Firewall is capable of providing statistics for the WAN port and for the whole system. Thesestatistics can be usefu

Chapter 5 - Remote Configuration and Management

44Firewall User GuideIntroductionThis chapter provides procedures for viewing or changing the configuration of a remote Firewallunit. Two methods are

45Chapter 5 - Remote Configuration and Management5 The Firewall Setup dialog box is displayed.Verify that the Communication Type is set for COM Port a

46Firewall User GuideLAN-BasedThe LAN-based remote configuration requires a Windows Sockets compliant TCP/IP stack. TCP/IP protocol software must be i

47Chapter 5 - Remote Configuration and Management7 After you have changed the configuration of the remote Firewall, click Download Setupto update the

48Firewall User GuideRemote ManagementThis section describes typical client applications that can be used to configure the ProxyServerremotely. It is

49Chapter 5 - Remote Configuration and ManagementFirewall Management MenuThe Firewall Management Menu provides two basic options: Firewall Configurati

Chapter 1 - Introduction and Description

50Firewall User GuideWEB ManagementThe ProxyServer can be accessed, via a standard web-browser, from anywhere on theconnected Internet. In order to pr

Chapter 6 - Warranty, Service and Tech Support

52Firewall User GuideIntroductionThis chapter starts out with statements about your Dual Ethernet ProxyServer 2-year warranty.The next section, Tech S

53Chapter 6 - Warranty, Service and Technical SupportTech SupportMulti-Tech has an excellent staff of technical support personnel available to help yo

54Firewall User GuideServiceIf your tech support specialist decides that service is required, your ProxyServer may be sent(freight prepaid) to our fac

55Chapter 6 - Warranty, Service and Technical SupportThe Multi-Tech BBSFor customers who do not have Internet access, Multi-Tech maintains a bulletin

56Firewall User Guide5. Enter D. You will see a list of the files you have marked. Enter E if you would like to editthe list; otherwise enter D again

Appendixes

58Firewall User GuideAppendix A - TCP/IP (Transmission Control Protocol/Internet Protocol) DescriptionTCP/IP is a protocol suite and related applicati

59Appendix A - TCP/IP DescriptionUDP, described in RFC 768 (http://info.internet.isi.edu:80/in-notes/rfc/files/rfc768.txt) provides anend-to-end datag

6Firewall User GuideIntroductionWelcome to Multi-Tech's Dual Ethernet ProxyServer, model number MTPSR1-120 (hereafter,Firewall) a high speed Inte

60Firewall User GuideInternet Protocol (IP)IP is the Internet standard protocol that tracks Internetwork node addresses, routes outgoingmessages and r

61Appendix B - Cabling DiagramsAppendix B - Cabling DiagramsWAN Port Cable (RS-232/V.35)13 12 11 10 9 8 7 6 5 4 3 2 125 24 23 22 21 20 19 18 17 16 15

62Firewall User GuideDB-25 (RS-232) to V.35 AdapterCHMSWAAEEKKMMHHCCYUPKEADJNTXBBFFLLNNJDDZVRLFBChassis GroundRequest To SendData Set ReadyData Termin

63Appendix C - Regulatory InformationAppendix C - Regulatory InformationFCC DeclarationNOTE: This equipment has been tested and found to comply with t

64Firewall User Guide

Glossary

66Firewall User GuideAAccess: The T1 line element made up of two pairs of wire that the telephone company brings to the customerpremises. The Access p

67GlossaryBasic Rate Interface (BRI): An ISDN access interface type comprised of two B-channels each at 64K bps and one D-channel at 64K bps (2B+D).Be

68Firewall User GuideCentrex: A multi-line service offered by operating telcos which provides, from the telco CO, functions and featurescomparable to

69GlossaryData Link Connection Identifier (DLCI): One of the six components of a frame relay frame. Its purpose is todistinguish separate virtual circ

7Chapter 1 - Introduction and DescriptionChapter 4 - Firewall SoftwareChapter 4 describes the Firewall software package designed for the Windows ® env

70Firewall User GuideEncapsulation: A technique used by network-layer protocols in which a layer adds header information to the protocoldata unit from

71GlossaryForeign Exchange Station (FXS): See FX, FXO. To generate a call from the computer telephony system to the POTSset, an FXS connection must be

72Firewall User GuideInternetwork Packet Exchange (IPX): A NetWare communications protocol used to route messages from one node toanother. IPX packets

73GlossaryLocal Exchange Carrier (LEC): The local phone company which provides local (i.e., not long distance) transmissionservices. AKA “telco”. LECs

74Firewall User GuideOObject-Oriented: A method for structuring programs as hierarchically organized classes describing the data andoperations of obje

75GlossaryPrivate Branch Exchange (PBX): A telephone exchange located on the customer’s premises. The PBX provides acircuit switching facility for tel

76Firewall User GuideRouter: A device that connects two networks using the same networking protocol. It operates at the Network Layer(Layer 3) of the

77Appendix C - Regulatory InformationSystems Network Architecture (SNA): The description of the logical structure, formats, protocols, and operational

78Firewall User GuideTransport Protocol Data Unit (TPDU): A transport header, which is added to every message, contains destination andsource addressi

79IndexIndexAAbout the Internet ...56About the Multi-Tech Fax-Back Service ...56Adding Proxy Ap

8Firewall User GuideFront Panel DescriptionThe front panel, shown in Figure 1-2, contains four groups of LEDs that provide the status of theLAN connec

80Firewall User GuideSoftware .....26Applications ....

9Chapter 1 - Introduction and DescriptionBack Panel DescriptionThe cable connections for the Firewall are made at the back panel. In addition to the P