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System Security 89

System Security

About System Security For the Prestige

The Prestige incorporates a number of security measures to prevent
unauthorized access to your network. For example, the Prestige
supports both PAP (Password Authentication Protocol) and CHAP
(Challenge Handshake Authentication Protocol) in authenticating a
Remote Node. More information on CHAP and PAP can be found
in Chapter 6. In addition, the Prestige also implements a user
password to get into the SMT screen. You will have three attempts
to enter the correct system password. If you do not do so, the SMT
will kick you out. In addition, the Prestige will only support one
user in the SMT at one time.

Configuring the SMT Password

Figure 9-1 Menu 23.1 - System Security - Change Password

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Содержание Prestige 100

Страница 1: ...Prestige 100 User s Manual Version 3 0 JiH5 ACCESSING INTERNET INTRANET...

Страница 2: ...ment as provided under this warranty is the exclusive remedy of the purchaser This warranty is in lieu of all other warranties express or implied including any implied warranty of merchantability or f...

Страница 3: ...erein without notice This document is subject to change without notice Acknowledgments Trademarks mentioned in this manual are used for informational purposes only Trademarks are properties of their r...

Страница 4: ...ian for help Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Shielded RS 232 cables are required to be...

Страница 5: ...otection users should ensure that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may b...

Страница 6: ...ending directive on the approximation of the laws of the member states relating to Eletro Magnetic Compatibility Contacting ZyXEL If you have questions about your ZyXEL product or desire assistance co...

Страница 7: ...his FTP address ftp zyxel com For European and Asian versions and related files use the address ftp zyxel co at Postal Service You can send written communications to the following address ZyXEL Commun...

Страница 8: ...l On Demand 2 Bandwidth On Demand 2 Network Management 3 DHCP Support Dynamic Host Configuration Protocol 3 Security 3 Call Control 3 Data Compression 3 Networking Compatibility 3 Applications For You...

Страница 9: ...ge 23 Connecting an Ethernet Cable to your Prestige 23 Connecting a Power Adapter to your Prestige 24 Prestige Front Panel 24 Powering On Your Prestige 25 Navigating Through the SMT 27 SMT Summary 28...

Страница 10: ...Filter Structure 78 Configuring a Filter Set 79 Configuring a Filter Rule 82 TCP IP Filter Rule 82 Generic Filter Rule 85 9 System Security 89 About System Security For the Prestige 89 Configuring th...

Страница 11: ...the Prestige 109 Connecting the RS 232 cable cannot access the SMT 109 Problems With the ISDN Line 110 The ISDN initialization failed 110 The ISDN loopback test failed 110 Problems with the LAN Inter...

Страница 12: ...xii...

Страница 13: ...Network Address Translation POTS line support Plain Old Telephone Service also called A B Adapter in Europe extensive Network Management and the latest security features Features The Prestige 100 is...

Страница 14: ...hines or modems This allows the ISDN line to be used for voice calls as well as data calls Dial On Demand The Dial On Demand feature allows the Prestige to automatically place a call to a Remote Node...

Страница 15: ...rity The Prestige supports PAP Password Authentication Protocol and CHAP Challenge Handshake Authentication Protocol Call Control The Prestige provides budget management for outgoing calls and maintai...

Страница 16: ...for the cost of a single user Single User Account address mapping can also be used for LAN to LAN connection Telecommuting Server The Prestige allows Remote Dial in Users to dial in and gain access to...

Страница 17: ...art One Chapters 1 3 to correctly connect your Prestige to your LAN You can then refer to other chapters of the manual depending on which applications you wish to use What This Manual Doesn t Cover Th...

Страница 18: ...male adapter One LAN crossover cable red tag One LAN straight cable white tag One Prestige Support Disk One Prestige 128 100 Quick Start Guide This Prestige 100 User s Manual Additional Installation R...

Страница 19: ...erminal emulation 9600 Baud rate No parity 8 Data bits 1 Stop bit After the Prestige has been successfully connected to your network you can make future changes to the configuration by using a Telnet...

Страница 20: ...8 Introduction...

Страница 21: ...formation about your ISDN phone line and the LAN which you will be connected to Once this information has been collected it will be used to configure your Prestige After you have successfully configur...

Страница 22: ...is information worksheet has been provided to help you get through setup and installation of your Prestige as easily as possible Ordering Your ISDN Line If you do not have the ISDN line installed alre...

Страница 23: ...ing Code S Capability EZ ISDN 1 3 Provide your telephone company with the proper provisioning information 4 When the telephone company installs your ISDN line please be sure to obtain the following in...

Страница 24: ...formation to complete the worksheet and configure your Prestige Your telephone company can give you the following information to configure the Prestige Switch Type Geography No of Phone s No of SPIDs...

Страница 25: ...these fields will only accept digits so and spaces will not be accepted Analog Call Check the appropriate Analog Call option on the worksheet for each telephone number This information is later used...

Страница 26: ...r Please note that every machine on an internet must have a unique IP address do not assign an arbitrary address to any machine IP Sub net Mask This field is required for TCP IP protocol An IP address...

Страница 27: ...Before You Begin 15 IP Subnet Mask Number of Host ID s Number of Bits 255 255 255 224 30 27 255 255 255 255 1 32...

Страница 28: ...s _______________________________________ Protocol Routing ___TCP IP ISDN Setup Information Switch Type check one ___AT T 5ESS NI 1 ___AT T Point to Point ___AT T 5ESS Multipoint ___Northern Telecom N...

Страница 29: ...nd Telephone Number _______________________________________ Analog Call check one ___Phone1 ___Phone2 ___DOVBS 2nd SPID Number _______________________________________ DSS1 ISDN ISDN Data Number Subadd...

Страница 30: ...___________ Incoming Number Matching ___MSN ___CDSA ___Don t Care Analog Call Routing ___A B 1 ___A B 2 ___Ignore Global Analog Call ___Accept ___Ignore 1TR6 ISDN ISDN Data Number ____________________...

Страница 31: ...us Number _______________________________________ Incoming Number Matching ___EAZ ___Don t Care Analog Call Routing ___A B 1 ___A B 2 ___Ignore Ethernet Setup Information Ethernet Interface check one...

Страница 32: ...20 Before You Begin...

Страница 33: ...f the Prestige is shown below Refer to this diagram to identify all of the ports on your device when you attempt to make the various connections Figure 3 1 Rear Panel Diagram A Warning On Connection C...

Страница 34: ...e connect the 9 pin end of the cable to the DTE port on the back panel of the Prestige Connect the other end to the RS 232 cable connected to the serial port COM1 COM2 or any other COM port of your co...

Страница 35: ...HONE 2 In order to receive incoming calls using a device connected to PHONE ports you need to enter Phone1 or Phone2 in the Analog Call field under the desired telephone number e g 1st phone in SMT Me...

Страница 36: ...10Base2 cabling Connecting a Power Adapter to your Prestige Plug the power adapter into the outlet on the rear panel of the Prestige labeled POWER At this point you should have connected the RS 232 ca...

Страница 37: ...affic over the LAN ETHERNET COL This LED indicates that there is transmission collision over the LAN PHONE 1 This LED indicates the functionality of the POTS port 1 on the Prestige If there is a devic...

Страница 38: ...low Figure 3 4 Login Screen Enter the default password 1234 to get into the Main Menu of System Management Terminal SMT Note that once you are in the SMT and if there is no activity for longer than 5...

Страница 39: ...he Cursor Within a menu press Enter carriage return to move to the next field You can also use the Up and Down keys to move to the previous and the next field respectively Entering Information There a...

Страница 40: ...escription 1 General Setup Setup general information 2 ISDN Setup Setup ISDN configuration 3 Ethernet Setup Setup Ethernet configuration 4 Internet Access Setup A quick and easy way to setup Internet...

Страница 41: ...ystem status diagnostics firmware upload etc 99 Exit To exit from SMT and return to the blank screen General Setup This menu contains administrative and system related information Enter 1 in the main...

Страница 42: ...ve a different number of telephone numbers If you are in North America you may also have SPIDs Service Profile Identifier Make sure that you have correct and complete telephone numbers and SPIDs You n...

Страница 43: ...seven digit format for example 5551212 Note that the Prestige only accepts digits please do not include and spaces in this field This field should be no longer than 19 digits 4 Analog Call This tells...

Страница 44: ...1TR6 2 B Channel Usage This field is fixed as Switch Switch 3 ISDN Data Subaddress Enter the telephone number and subaddress assigned to the ISDN data call for the Prestige It will be used as outgoing...

Страница 45: ...ould be no longer than 3 digits Otherwise leave this field blank 7 PABX Number with S T Bus Number Enter the S T bus number if the Prestige is connected to an ISDN PABX If this field is left as blank...

Страница 46: ...they will be routed to the A B Adapter 2 if the setting is A B Adapter 2 Or they will not be answered if the setting is Ignore 10 Global Analog Call All global analog calls will be answered and routed...

Страница 47: ...lease note the error message that you receive and take the appropriate troubleshooting action Figure 3 10 ISDN Loop back Test Screen TCP IP Ethernet Setup and DHCP Menu 3 is used to enter Ethernet rel...

Страница 48: ...ne the filter sets 3 DHCP This field determines what mode of DHCP Dynamic Host Configuration Protocol support the Prestige should use If it is set to None DHCP will not be used If it is set to Server...

Страница 49: ...host ID The IP Subnet Mask is used to specify the network ID portion of the address expressed in dotted decimal notation The Prestige will automatically calculate this mask based on the IP address th...

Страница 50: ...38 Installation When you are finished press ENTER at the message Press ENTER to Confirm to save your selections or press ESC at any time to cancel them...

Страница 51: ...ccess on one screen Before you configure the Prestige for Internet access you need to collect the following information from your ISP Internet Service Provider IP address of the ISP s gateway optional...

Страница 52: ...ed networks using any protocol An internet can be as simple as two hosts on a LAN or it can be as complex as the Internet itself Every machine on the Internet must have a unique address within that in...

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Страница 54: ...ank 4 Pri mary Phone and Sec ondary Phone Number Both the Primary and the Secondary Phone number refer to the number that the Prestige will dial to connect to the ISP The Prestige will always call you...

Страница 55: ...ferred between your Prestige and the Internet There are four options for this field 64K The Prestige will place 64Kbps bits per second digital data calls 56K For the North America only The Prestige wi...

Страница 56: ...to simplify the allocation of IP addresses when connecting branch offices to the corporate network The IP address for the Single User Account can be either fixed or dynamically assigned by the ISP or...

Страница 57: ...t configure a server IP address All incoming inquiries will be filtered out by the Prestige Therefore servers on your network are protected 4 UDP and TCP datagrams can be routed In addition ICMP echo...

Страница 58: ...nt Server IP Addr If you want to make a single server e g a Web server accessible to outside users enter that server s IP address here Press ENTER at the message Press ENTER to Confirm to confirm your...

Страница 59: ...The Remote IP Address field should be set to 1 1 1 1 4 In Menu 11 3 set the remote node s subnet mask to 0 0 0 0 and set RIP to None 5 Save the new configuration Once you have done this if you need to...

Страница 60: ...48 Configuring for Internet Access...

Страница 61: ...e Node is configured properly traffic to the remote LAN will trigger the Prestige to make a call automatically i e Dial On Demand Similarly calls from the remote LAN will be answered automatically and...

Страница 62: ...igure 5 2 Menu 11 1 Remote Node Profile 1 Rem Node Name This is a required field Enter a descriptive name for the Remote Node e g SJHQ This field can support up to eight characters This name must be u...

Страница 63: ...his field combined with the Rem Node Password will be used to authenticate the incoming calls from this node 5 Incoming Rem Node Password Enter the password used when this Remote Node calls into the P...

Страница 64: ...Protocol and CHAP Challenge Handshake Authentication Protocol PAP sends the user name and password in plain text CHAP scrambles the password before it is sent over the wire Generally speaking CHAP is...

Страница 65: ...press ENTER This will bring you to Menu 11 2 Remote Node PPP Options For more information on configuring PPP options please see the section Editing PPP Options 14 IP Addr This is a required field if R...

Страница 66: ...n this Remote Node and the Prestige You can choose from 12 different filter sets In addition you can link up to 4 filter sets together for further customization e g 1 5 9 12 Please note that spaces an...

Страница 67: ...ill be brought up if traffic on the initial channel is higher than the high Target Utility number for longer than the specified Add Persist value Similarly the second channel will be dropped if the tr...

Страница 68: ...l and continue with the first channel alone Editing PPP Options Figure 5 3 Remote Node PPP Options 1 Encapsulation Select CCP Compression Control Protocol for the PPP or MP link There are two options...

Страница 69: ...ls can be used 6 Multiple Link Options Target Utility Enter the two thresholds separated by a for subtracting and adding the second channel The default is 32 48 7 Multiple Link Options Add Persist Thi...

Страница 70: ...58 Remote Node Configuration...

Страница 71: ...y Remote Dial in Users are individual users who dial in to the Prestige directly from their workstations while Remote Nodes represent networks and are used for LAN to LAN connections This chapter disc...

Страница 72: ...Remote User Telecommuter Dial In Server Application The Prestige can also be used as a dial in server This application allows the Prestige to provide services for workstations on a remote network For...

Страница 73: ...ction covers the default dial in parameters The parameters in Menu 13 affect incoming calls from all Remote Dial in Users and Remote Nodes before authentication is completed Once authentication is com...

Страница 74: ...ll incoming calls There are three options for this field None No CLID is required Required Must provide CLID or call is disconnected Preferred If the CLID is available then CLID will be used to do aut...

Страница 75: ...be used to respond to the far end s authentication request This field does not apply to CHAP authentication 6 Multiple Link Options Max Trans Rate Enter the maximum data transfer rate between your Pr...

Страница 76: ...ly if you selected Yes in the Dial In IP Address Supplied By IP Pool field The IP pool contains contiguous IP addresses and this field specifies the first one in the pool 12 IP Count 1 2 In this field...

Страница 77: ...ld will only be used if the Recv Authen is set to None and the call is not mapped to any Remote Node or Remote Dial in User or the Prestige calls back to the Remote Dial in User Once you have complete...

Страница 78: ...inactive the user record is still kept in the database for later activation Deactivated users are displayed with a minus sign at the beginning of the name in Menu 14 3 Password Enter the password for...

Страница 79: ...h this Remote Dial in User calls The Prestige will check this number against the CLID in the incoming call If they do not match and the CLID Authen is Required then the Prestige will reject the call 8...

Страница 80: ...ance your company pays for the connection charges for telecommuting employees and you are using the Prestige as the dial in server You can turn on both the CLID authentication and call back options fo...

Страница 81: ...ely To create more network numbers you shift some bits from the host ID to the network ID For instance to partition a class C network number 192 68 135 0 into two you shift 1 bit from the host ID to t...

Страница 82: ...2 7 254 8 255 LAN to LAN Application A typical LAN to LAN application is to use the Prestige to call from a branch office to the headquarters Up to four users can access the Prestige simultaneously on...

Страница 83: ...ial in parameters in menu 13 see Chapter 6 1 Route Make sure IP is among the protocols in the Route field 2 IP Address Enter the IP address of the gateway at the remote site in this case headquarters...

Страница 84: ...ige Please note that this is the address assigned to the local Prestige not the remote router Figure 7 3 Sample IP Addresses 7 Single User Account This field should be set to yes to enable the Single...

Страница 85: ...nd incorporate RIP broadcasts by the other router into its routing table If set to In Only the Prestige will not broadcast its routing table on the WAN if set to Out Only the Prestige will broadcast i...

Страница 86: ...ons using the static route The route will have a destination of 204 5 1 64 26 with the gateway address being that of the Remote Node 204 5 1 150 Figure 7 4 Static Routing Example Please note that in n...

Страница 87: ...te This is for identification purpose only 2 Active This fields allows you to activate deactivate this static route 3 Destination IP Address This parameter specifies the IP network address of the fina...

Страница 88: ...mediate neighbor of the Prestige that will forward the packet to the destination On the LAN the gateway must be a router on the same segment as the Prestige over ISDN the gateway must be the IP addres...

Страница 89: ...data to determine if the packet should be allowed to pass Call filters are used to determine if a call should be placed Outgoing packets must pass through the data filters before they encounter the ca...

Страница 90: ...ections describe how to configure the Prestige s filter sets Prestige s Filter Structure You can configure up to twelve filter sets with six rules in each set Therefore the Prestige allows you to cust...

Страница 91: ...you to the Edit Comments field Whatever the comments are for that filter set will be displayed in this field You can edit the comments you wish to use to identify that filter set Once you have comple...

Страница 92: ...eans the filter rule is inactive Type Refers to the type of filter rule This can display GEN for generic or IP for TCP IP Filter Rules The filter rule parameters will be displayed here see below M Ref...

Страница 93: ...ss DP Destination Port number If the filter type is GEN generic the following abbreviations will be used Off Offset Len Length For more information on configuring the filter rule parameters please ref...

Страница 94: ...pressing SPACE bar under the Filter Type field and press ENTER This will bring you to the corresponding menu TCP IP Filter Rule This section will show you how to configure a TCP IP filter rule for yo...

Страница 95: ...ish to filter The range of this field is 0 to 65535 7 Destination Port Comp In this field you can select what comparison quantifier you wish to enable to compare to the value given in Destination Port...

Страница 96: ...filter match only established TCP connections No filter match both initial and established TCP connections 13 More In this field you can determine if you want to pass the packet through the next filte...

Страница 97: ...acket There are three options for this field Check Next Rule Forward Drop Once you have completed filling in Menu 21 1 1 TCP IP Filter Rule press ENTER at the message Press ENTER to Confirm to confirm...

Страница 98: ...his field is 0 to 8 Default 0 3 Mask In this field specify in Hexadecimal the value that the Prestige should logically qualify and the data in the packet Since Length is given in bytes you need to ent...

Страница 99: ...e packet is considered matched Once you have completed filling in Menu 21 1 1 Generic Filter Rule press ENTER at the message Press ENTER to Confirm to confirm your selections or press ESC at any time...

Страница 100: ...88 Filter Configuration...

Страница 101: ...dshake Authentication Protocol in authenticating a Remote Node More information on CHAP and PAP can be found in Chapter 6 In addition the Prestige also implements a user password to get into the SMT s...

Страница 102: ...ange Password This will bring you to Menu 23 1 System Security Change Password 2 Type in your previous system password and press ENTER 3 Type in your new system password and press ENTER 4 Re type your...

Страница 103: ...the Prestige has been initially configured you can use telnet to configure the device remotely as shown below Figure 10 1 Telnet Configuration on a TCP IP Network In order to configure your Prestige...

Страница 104: ...onnection over telnet If you have already connected to the Prestige via telnet you will be logged out if another user is connecting to the Prestige via the RS 232 cable Only after the other administra...

Страница 105: ...trace capabilities and upgrades to the system software This chapter will describe how to use these tools in greater detail System Status System Status is a tool that can be used to monitor your Presti...

Страница 106: ...rrent B2 channel call 3 will reset the counters and ESC will exit this screen 4 Items 5 26 describes the fields present in Menu 24 1 System Maintenance Status It should be noted that these fields are...

Страница 107: ...ed up 15 Ethernet shows the current status of the LAN connection on your Prestige 16 Link shows the current status of the LAN Up or Down if it is 10Base T otherwise if it is configured as AUI this wil...

Страница 108: ...first of an ICMP Ping packet Type IP triggering the call and the second with a SAP broadcast packet Type Raw triggering the call With this information you can determine the source IP address of the pa...

Страница 109: ...stige is also able to generate syslogs to send to other machines 1 To get to the Log and Trace select option 24 System Maintenance This will bring you to Menu 24 System Maintenance 2 From this menu se...

Страница 110: ...to do so Enter the appropriate choice and press ENTER Syslog And Accounting Syslog and Accounting can be configured in Menu 24 3 2 System Maintenance Syslog and Accounting This menu configures the Pr...

Страница 111: ...essages line 1 channel 1 call 41 C01 Incoming Call 40001 line 1 channel 1 call 41 C01 ANSWER Connected 64K 40001 line 1 channel 1 call 41 C01 Incoming Call Call Terminated Error Information Messages l...

Страница 112: ...l This tool hangs up the B1 line This will only be useful if the B1 line is currently connected to a Remote Node or a dial in user 5 Hang Up B2 Call This tool hangs up the B2 line This will only be us...

Страница 113: ...manual call to a Remote Node This tests the connectivity to that Remote Node When you use this command you will see traces displayed on the screen showing what is happening during the call setup and...

Страница 114: ...sult your network administrator 2 Ping Host This diagnostic test pings the host which determines the functionality of the TCP IP protocol on your system 3 Reboot System This option reboots the system...

Страница 115: ...ration Please keep in mind that configuration is stored on flash ROM in the Prestige so even if power failure were to occur your configuration is safe Software Update Software updates are only possibl...

Страница 116: ...commands A list of valid commands can be found by typing help at the command prompt For more detailed information please check ZyXEL Web site or send email to ZyXEL Support Group Call Control The Pres...

Страница 117: ...an outgoing call If the Prestige tries to dial to a phone number and fails a certain number configurable in the menu 24 9 1 times then the phone number will be put onto the blacklist The user has to...

Страница 118: ...e retried Applies before a phone number is blacklisted Blacklist Figure 11 11 Blacklist The phone numbers on this list cannot be entered directly instead they are numbers which have had problems conne...

Страница 119: ...ed and further outgoing calls to that Remote Node or Remote Dial in User callback will fail After each period the total budget is reset The defaults for the total budget is 0 minutes and the period is...

Страница 120: ...108 System Maintenance...

Страница 121: ...the power cord and the power supply and make sure it is properly connected to your Prestige If the error persists you may have a hardware problem In this case you should contact technical support Conn...

Страница 122: ...his indicates an SPID error Verify the SPID s that you have entered in menu 2 If these are correct try to initialize again from menu 24 4 3 4 If the code is 3 this indicates a general failure Verify t...

Страница 123: ...re secure Problems Connecting to a Remote Node or ISP 1 Check menu 24 1 to verify the ISDN status If it indicates down then refer to the section on the ISDN line problems 2 In menu 24 4 5 do a manual...

Страница 124: ...y that you have configured the authentication parameters in menu 13 These would be CLID Authen Recv Authen and Mutual Authen 2 If the Remote Dial in User is negotiating IP verify that the IP address i...

Страница 125: ...f Phone s No of SPIDs AT T 5ESS NI 1 North American 2 2 AT T 5ESS Point to Point North American 1 0 AT T 5ESS Multipoint North American 2 2 Northern Telecom NI 1 North American 2 2 Northern Telecom Cu...

Страница 126: ...Call Offering ACO Unrestricted CSD limit 2 CSD Notification Busy NB limit 1 MTERM 2 For AT T 5ESS Multipoint Provisioning Feature Setting Term Type D Call Appearances CA 1 CA Quantity 1 Circuit Switch...

Страница 127: ...l Protocol Version Control PVC 2 National ISDN 1 TEI assignment Dynamic Maximum number of keys maxkeys 3 1 to 64 OK Release key No Ringing indicator No Electronic Key Telephone System EKTS Yes or No A...

Страница 128: ...mission Rate Budget Management 63 104 107 Call Detail Record 3 99 Calling Line ID 51 Canadian User Information iv CDR See Call Detail Record Challenge Handshake Authentication Protocol See CHAP CHAP 3...

Страница 129: ...4 29 45 59 60 61 63 64 Remote Node 1 2 28 29 49 50 51 52 53 54 56 57 59 60 61 63 64 65 71 72 73 74 76 89 94 95 100 101 104 107 111 RIP 38 54 73 74 77 Routing Information Protocol See RIP RS 232 iv 3 2...

Страница 130: ...118 Index worksheet 10 11 12 13 14...

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