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ZyXEL Communications 662H Series, 662HW Series manual 192

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Prestige 662H/HW Series User’s Guide

Figure 79 Content Access Control: General: Web Site Filter

Chapter 16 Content Access Control

192

Contents

Page Disclaimer Trademarks Notice Certifications Note Safety Warnings Page Page Page Copyright Federal Communications Commission (FCC) Interference Statement List of Figures List of Tables Preface Wizard Setup for Media Bandwidth Management Password Setup DMZ Wireless LAN Setup Page Firewall Configuration Content Filtering Content Access Control Introduction to IPSec Remote Management Configuration Universal Plug-and-Play(UPnP) Maintenance Introducing the SMT Menu 1 General Setup Menu 2 WAN Backup Setup Menu 3 LAN Setup Internet Access Remote Node Configuration Static Route Setup Bridging Setup Enabling the Firewall SNMP Configuration System Security System Information and Diagnosis Firmware and Configuration File Maintenance Remote Management Call Scheduling VPN/IPSec Setup SA Monitor Internal SPTGEN Troubleshooting Appendix A Cable Pin Assignments Appendix D IP Subnetting Appendix E Appendix F Virtual Circuit Topology Appendix Appendix J Appendix K myZyXEL.com Appendix L Appendix O Firewall Commands Appendix P NetBIOS Filter Commands Appendix Q Page Page Page Page Page Page Page Page Page Page Page Page Page Page About This User's Guide Syntax Conventions Related Documentation User Guide Feedback Graphics Icons Key Introduction to ADSL Page 1.1Introducing the Prestige Table High Speed Internet Access Zero Configuration Internet Access Any IP Firewall Content Filtering Content Access Control Anti-VirusPacket Scan IEEE 802.11g Wireless LAN External Antenna Wireless LAN MAC Address Filtering WEP Encryption Wi-FiProtected Access Traffic Redirect PPPoE Support (RFC2516) Network Address Translation (NAT) LAN/DMZ Interface 10/100M Auto-negotiatingEthernet/Fast Ethernet Interface(s) Auto-Crossover (MDI/MDI-X)10/100 Mbps Ethernet Interface(s) Protocol Support Networking Compatibility Multiplexing Encapsulation Network Management Other PPPoE Features Diagnostics Capabilities Housing 1.1.2.1 Internet Access 1.1.3.1 LAN to LAN Application Page 2.1 Web Configurator Overview 2.1.2.1 Using the Reset Button 2.1.3Navigating the Prestige Web Configurator Wizard Setup Maintenance Site Map Logout Page Page Page 3.1 Introduction 3.1.1.1 ENET ENCAP 3.1.1.2 PPP over Ethernet 3.1.1.3PPPoA 3.1.1.4 RFC 3.2 Internet Access Wizard Setup: First Screen 3.3 IP Address and Subnet Mask 3.3.1.1 IP Assignment with PPPoA or PPPoE Encapsulation 3.3.1.2 IP Assignment with RFC 1483 Encapsulation 3.3.1.3 IP Assignment with ENET ENCAP Encapsulation 3.3.1.4 Private IP Addresses 3.4 Internet Access Wizard Setup: Second Screen Page Page Page Page 3.4.1.1 IP Pool Setup 3.5 Internet Access Wizard Setup: Connection Test 3.5.1 Test Your Internet Connection 4.1 Introduction 4.2 Media Bandwidth Management Setup 4.3 Media Bandwidth Mgnt. Wizard Setup: Second Screen 4.4 Media Bandwidth Mgnt. Wizard Setup: Finish 5.1 Password Overview Page 6.1 LAN Overview 6.1.1LANs, WANs and the Prestige 6.2 DNS Server Address 6.3 DNS Server Address Assignment 6.4 LAN TCP/IP 6.5 Any IP 6.5.1 How Any IP Works 6.6 Configuring LAN 6.7 Configuring Static DHCP Static DHCP 7.1 Introduction 7.2 Configuring DMZ Figure 23 DMZ Table 16 DMZ Page Page 8.1 Introduction 8.1.3 ESS ID 8.1.4 RTS/CTS RTS/CTS 8.2 Levels of Security 8.3 Data Encryption with WEP 8.4 Configuring Wireless LAN Click Wireless LAN, Wireless to open the Wireless screen 8.5 Configuring MAC Filter Page 8.6 Network Authentication 8.6.1.1 RADIUS 8.6.1.2 Types of RADIUS Messages 8.6.2 EAP Authentication Overview 8.7Introduction to WPA 8.8 WPA-PSKApplication Example 8.9 WPA with RADIUS Application Example 8.10 Security Parameters Summary 8.11 Wireless Client WPA Supplicants 8.12 Configuring 802.1x and WPA 8.12.1 Authentication Required: Page 8.12.2 Authentication Required: WPA WPA 8.12.3 Authentication Required: WPA-PSK WPA-PSK Page 8.13 Configuring Local User Authentication 8.14 Configuring RADIUS Table 25 RADIUS Page 9.1 WAN Overview 9.2 Metric 9.3 PPPoE Encapsulation 9.4 Traffic Shaping 9.5 Zero Configuration Internet Access 9.6Configuring WAN Setup Page Page 9.7 Traffic Redirect 9.8 Configuring WAN Backup Figure 41 WAN Backup Page 9.9 Configuring Advanced WAN Backup Page Page 9.10 AT Command Strings 9.11 DTR Signal 9.12 Response Strings 9.13 Configuring Advanced Modem Setup Page Page Page 10.1 NAT Overview 10.1.2 What NAT Does 10.1.3 How NAT Works 10.1.4 NAT Application 10.1.5 NAT Mapping Types 10.2 SUA (Single User Account) Versus NAT 10.3SUA Server 10.4 Selecting the NAT Mode 10.5 Configuring SUA Server Page 10.6 Configuring Address Mapping 10.7 Editing an Address Mapping Rule Page Page 11.1 Dynamic DNS 11.2 Configuring Dynamic DNS Page 12.1 Configuring Time and Date Page 13.1 Firewall Overview 13.2 Types of Firewalls 13.3 Introduction to ZyXEL’s Firewall 13.4 Denial of Service 13.4.2 Types of DoS Attacks Ping of Death Teardrop SYN Flood LAND SYN Attack LAND Attack brute-force 13.4.2.1 ICMP Vulnerability 13.4.2.2 Illegal Commands (NetBIOS and SMTP) 13.4.2.3 Traceroute 13.5 Stateful Inspection 13.5.1 Stateful Inspection Process Default Policy 13.5.2Stateful Inspection and the Prestige 13.5.3 TCP Security 13.5.4 UDP/ICMP Security 13.5.5 Upper Layer Protocols 13.6Guidelines for Enhancing Security with Your Firewall 13.7Packet Filtering Vs Firewall 13.7.1.1When To Use Filtering 13.7.2.1When To Use The Firewall Page 14.1 Access Methods 14.2 Firewall Policies Overview 14.3 Rule Logic Overview 14.3.3.1 Action 14.3.3.2 Service 14.3.3.3 Source Address 14.3.3.4 Destination Address 14.4 Connection Direction Example 14.5 Configuring Basic Firewall Settings Page 14.6 Rule Summary 14.6.1 Configuring Firewall Rules Insert Page Page 14.7 Customized Services 14.8 Creating/Editing A Customized Service 14.9 Example Firewall Rule Any Destination Address Delete Customized Service -Config Add Remove Available Services Rule Summary Apply 14.10 Predefined Services Page 14.11 Anti-Probing 14.12 Configuring Attack Alert 14.12.2.1 TCP Maximum Incomplete and Blocking Time TCP Maximum Incomplete Blocking Time Page 15.1 Content Filtering Overview 15.2 Configuring Keyword Blocking 15.3 Configuring the Schedule 15.4 Configuring Trusted Computers Page 16.1 Content Access Control Overview 16.2 Activating CAC and Create User Groups 16.2.1 Configuring Time Schedule Time Control Access Control-General Unlimited End Time 16.2.2 Configuring Services Services Content Access Control: General 16.2.2.1 Available Services Page 16.2.3 Configuring Web Site Filters Web Browsing Page Page Page Page Page 16.2.4 Testing Web Site Access Privileges Diagnose 16.3 User Account Setup Page 16.4 User Online Status 16.5 Content Access Control Logins 16.5.2 Administrator Login Page 17.1 Overview 17.2 Signature-BasedVirus Scan 17.3Introduction to the Prestige Anti-virusPacket Scan 17.3.1 How the Prestige Virus Scan Works 17.3.2 Limitations of the Prestige Packet Scan 17.4 Anti-virusPacket Scan Configuration 17.5 Registration and Online Update Page 17.5.1 Updating the Anti Virus Packet Scan Page 18.1 VPN Overview 18.1.3.1 Encryption 18.1.3.2 Data Confidentiality 18.1.3.3 Data Integrity 18.1.3.4 Data Origin Authentication 18.2IPSec Architecture 18.3 Encapsulation 18.4IPSec and NAT Page Page 19.1 VPN/IPSec Overview 19.2 IPSec Algorithms 19.3 My IP Address 19.4 Secure Gateway Address 19.5 VPN Summary Screen Page 19.6 Keep Alive 19.7 NAT Traversal 19.7.1 NAT Traversal Configuration 19.7.2 Remote DNS Server 19.8 ID Type and Content 19.8.1 ID Type and Content Examples 19.9 Pre-SharedKey 19.10 Editing VPN Policies Figure 97 VPN IKE Table 72 VPN IKE Page Page 19.11 IKE Phases 19.11.1Negotiation Mode Negotiation Mode 19.12 Configuring Advanced IKE Settings Page Page 19.13 Manual Key Setup 19.14 Configuring Manual Key Page Page 19.15 Viewing SA Monitor 19.16 Configuring Global Setting 19.17 Telecommuter VPN/IPSec Examples 19.17.2 Telecommuters Using Unique VPN Rules Example Page 19.18 VPN and Remote Management 20.1 Remote Management Overview 20.2 Telnet 20.3 FTP 20.4 Web 20.5 Configuring Remote Management Page 21.1 Introducing Universal Plug and Play 21.2 UPnP and ZyXEL 21.3 Installing UPnP in Windows Example Communications Universal Plug and Play Add/Remove Programs Properties Installing UPnP in Windows XP 1Click Start and Control Panel 2Double-click Network Connections Network Connections Advanced Page 21.4Using UPnP in Windows XP Example Page Page Page Web Configurator Easy Access 1Click Start and then Control Panel 3Select My Network Places under Other Places Local Network Invoke Page Page 22.1 Logs Overview 22.2 Configuring Log Settings Page 22.3 Displaying the Logs 22.4 SMTP Error Messages 22.4.1 Example E-mailLog Page 23.1 Bandwidth Management Advanced Setup Overview 23.2 Bandwidth Classes and Filters 23.3 Proportional Bandwidth Allocation 23.4 Bandwidth Management Usage Examples 23.5 Scheduler 23.6 Maximize Bandwidth Usage 23.6.2 Maximize Bandwidth Usage Example 23.7 Bandwidth Borrowing Page 23.8Configuring Summary 23.9 Configuring Class Setup 23.9.1 Media Bandwidth Management Class Configuration Media Bandwidth Management - Summary Child-Class Page Page 23.9.2 Media Bandwidth Management Statistics Media Bandwidth Management Statistics Class Setup 23.10 Bandwidth Monitor 24.1 Maintenance Overview 24.2 System Status Screen Page 24.2.1 System Statistics Show Statistics Poll Interval(s) Page 24.3 DHCP Table Screen 24.4 Any IP Table Screen 24.5 Wireless Screen 24.6 Diagnostic Screens 24.6.2 Diagnostic DSL Line Screen DSL Line Page 24.7 Firmware Screen Firmware Upload in Process Back Page 25.1 SMT Introduction 25.2 Navigating the SMT Interface Page 25.3 Changing the System Password New Password Retype to confirm Page 26.1 General Setup 26.2 Procedure To Configure Menu 26.2.1 Procedure to Configure Dynamic DNS Edit Dynamic DNS Menu 1.1— Configure Dynamic DNS Page Page 27.1 Introduction to WAN Backup Setup 27.2 Configuring Dial Backup in Menu 27.2.1 Traffic Redirect Setup Menu 2.1 — Traffic Redirect Setup 27.3Configuring Dial Backup Setup 27.4 Advanced Dial Backup Setup Page Page 28.1 LAN Setup 28.3CP/IP Ethernet Setup and DHCP Page Page 29.1 Wireless LAN Overview 29.2 Wireless LAN Setup 29.2.1 Wireless LAN MAC Address Filter Page Page 30.1 Internet Access Overview 30.2 IP Policies 30.3 IP Alias 30.4 IP Alias Setup 30.5 Route IP Setup 30.6 Internet Access Configuration Page Page 31.1 Remote Node Setup Overview 31.2.1Remote Node Profile 31.2.2.1 Scenario 1: One VC, Multiple Protocols 31.2.2.2 Scenario 2: One VC, One Protocol (IP) 31.2.2.3 Scenario 3: Multiple VCs Menu 11.1 – Remote Node Profile 31.2.3 Outgoing Authentication Protocol 31.3 Remote Node Network Layer Options 31.3.1 My WAN Addr Sample IP Addresses My WAN Addr Rem IP Addr 31.4 Remote Node Filter 31.5 Editing ATM Layer Options 31.5.2 LLC-basedMultiplexing or PPP Encapsulation 31.5.3 Advance Setup Options PPPoE Edit Advance Options Menu 11.8 – Advance Setup Options 32.1 IP Static Route Overview 32.2 Configuration Page Page Page 33.1 Bridging in General 33.2.1Remote Node Bridging Setup Edit IP/Bridge Yes and press [ENTER] to edit Menu 11.3 – Remote Node Network Layer Options 33.2.2 Bridge Static Route Setup Edit Bridge Static Route Page 34.1 Using NAT 34.2Applying NAT Page 34.3 NAT Setup 34.3.1Address Mapping Sets 34.3.1.1SUA Address Mapping Set 34.3.1.2 User-DefinedAddress Mapping Sets 34.3.1.3 Ordering Your Rules 34.4 Configuring a Server behind NAT 3Enter 1 to go to Menu 15.2.1 NAT Server Setup as follows Start Port No End Port No 34.5 General NAT Examples Network Address Translation Many-to-One 34.5.2Example 2: Internet Access with an Inside Server 34.5.3 Example 3: Multiple Public IP Addresses With Inside Servers 1 : Many : Menu 15.1 - Address Mapping Sets Edit Action Start IP Page 2Enter 2 in Menu 15 - NAT Setup 34.5.4 Example 4: NAT Unfriendly Application Programs No Overload One-to-One Page 35.1 Remote Management and the Firewall 35.2Access Methods Page 36.1 About Filtering Execute 36.1.1 The Filter Structure of the Prestige 36.2 Configuring a Filter Set for the Prestige 36.3 Filter Rules Summary Menus 36.4 Configuring a Filter Rule 36.4.1 TCP/IP Filter Rule Menu 21.1.x.1 – TCP/IP Filter Rule Page 36.4.2 Generic Filter Rule Offset Length Mask Value Generic Filter Rule Menu 21.1.5.1 – Generic Filter Rule Generic Filter Rule 36.5 Filter Types and NAT 36.6 Example Filter 1Enter 1 in the menu 21 to display Menu 21.1 — Filter Set Configuration Menu 21.1.6 — Filter Rules Summary 36.7 Applying Filters and Factory Defaults 36.7.1 Ethernet Traffic protocol filters Input Filter Sets 36.7.2 Remote Node Filters Call Filter Sets Page 37.1 About SNMP 37.2Supported MIBs 37.3 SNMP Configuration 37.4 SNMP Traps Page 38.1 System Security Page 38.1.3 IEEE802.1x Menu23 – System Security 2Enter 4 to display Menu 23.4 – System Security – IEEE802.1x Page 38.2 Creating User Accounts on the Prestige Page 39.1 Overview 39.2 System Status Menu 24 — System Maintenance System Status Menu 24.1 — System Maintenance — Status Menu 24.1 — System Maintenance — Status 39.3 System Information 39.3.2 Console Port Speed Menu 24.2.2 – System Maintenance – Console Port Speed 39.4 Log and Trace 39.4.2 Syslog and Accounting Menu 24.3.2 — System Maintenance — UNIX Syslog Page 39.5 Diagnostic Page Page 40.1 Filename Conventions 40.2 Backup Configuration 40.2.2 Using the FTP Command from the Command Line 40.2.3Example of FTP Commands from the Command Line 40.2.4 GUI-basedFTP Clients 40.2.5 TFTP and FTP over WAN Management Limitations 40.2.6 Backup Configuration Using TFTP 40.2.7 TFTP Command Example 40.2.8 GUI-basedTFTP Clients 40.2.9 Backup Via Console Port Transfer Receive File 40.3Restore Configuration 40.3.2Restore Using FTP Session Example 40.3.3 Restore Via Console Port Send File 40.4 Uploading Firmware and Configuration Files 40.4.3 FTP File Upload Command from the DOS Prompt Example 40.4.4 FTP Session Example of Firmware File Upload 40.4.5 TFTP File Upload 40.4.6 TFTP Upload Command Example 40.4.7 Uploading Via Console Port 40.4.8Uploading Firmware File Via Console Port 40.4.9 Example Xmodem Firmware Upload Using HyperTerminal 40.4.10Uploading Configuration File Via Console Port 40.4.11Example Xmodem Configuration Upload Using HyperTerminal Page 41.1 Command Interpreter Mode 41.2 Call Control Support 41.3 Time and Date Setting Page 41.3.1Resetting the Time Page 42.1 Remote Management Overview 42.2 Remote Management 42.2.2 Remote Management Limitations 42.3 Remote Management and NAT 42.4System Timeout Page 43.1 IP Policy Routing Overview 43.2 Benefits of IP Policy Routing 43.3 Routing Policy 43.4 IP Routing Policy Setup Menu 25.1.1 – IP Routing Policy Page 43.5 Applying an IP Policy 43.6 IP Policy Routing Example Menu 25.1.1 — IP Routing Policy Menu 25.1 — IP Routing Policy Setup Page 44.1 Introduction Menu 26.1 — Schedule Set Setup Duration Main Menu PPPoA Page 45.1 VPN/IPSec Overview 45.2 IPSec Summary Screen Page 45.3 IPSec Setup Page Page Page 45.4 IKE Setup Page 45.5 Manual Setup Page Page 46.1 SA Monitor Overview 46.2 Using SA Monitor Page Page Page 47.1 Internal SPTGEN Overview 47.2 The Configuration Text File Format 47.3 Internal SPTGEN FTP Download Example 47.4 Internal SPTGEN FTP Upload Example Page 48.1 Problems Starting Up the Prestige 48.2 Problems with the LAN LED 48.3 Problems with the DSL LED 48.4 Problems with the LAN Interface 48.5 Problems with the WAN Interface 48.6 Problems with Internet Access 48.7 Problems with the Password 48.8 Problems with the Web Configurator 48.9 Problems with Remote Management Page Page Connecting a POTS Splitter Telephone Microfilters Prestige With ISDN Windows 95/98/Me Installing Components Adapter Protocol Microsoft manufacturers Configuring Obtain an IP address automatically Specify an IP address Subnet Mask Disable DNS Windows 2000/NT/XP Network and Dial-up Connections 3Right-click Local Area Connection and then click Properties Internet Protocol (TCP/IP) Use the following IP Address Subnet mask Default gateway IP Settin IP Settings Macintosh OS 8/9 2Select Ethernet built-in from the Connect via list Using DHCP Server Configure: Macintosh OS Apply Now Page IP Addressing IP Classes Subnet Masks Subnetting Example: Two Subnets Page Example: Four Subnets Example Eight Subnets Subnetting With Class A and Class B Networks Page PPPoE in Action Benefits of PPPoE Traditional Dial-upScenario How PPPoE Works Prestige as a PPPoE Client Page Page Benefits of a Wireless LAN IEEE Ad-hocWireless LAN Configuration Infrastructure Wireless LAN Configuration Page Page Security Flaws with IEEE Deployment Issues with IEEE Advantages of the IEEE RADIUS Server Authentication Sequence EAP-MD5 (Message-DigestAlgorithm 5) EAP-TLS(Transport Layer Security) EAP-TTLS(Tunneled Transport Layer Service) PEAP (Protected EAP) LEAP Antenna Characteristics Types of Antennas For WLAN Connector Type myZyXEL.com Account Login Registering Your ZyXEL Device Add New Product Serial Number Category Model Authentication Code Continue Activating a Service Page WinPopup 2Click the Start Menu Programs tab and click Advanced Programs StartUp New Shortcut Create Shortcut Finish Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Command Examples Page Command Syntax Command Usage Page Sys Firewall Commands Page Display NetBIOS Filter Settings NetBIOS Filter Configuration Page Page Example Page Firmware and Configuration File Maintenance Page Page Page Table 35 ICMP Logs Table 36 CDR Logs Table 37 PPP Logs Table 38 UPnP Logs Page Table 42 IKE Logs Page Page Page Page Page Log Commands Log Command Example