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ZyXEL Communications wireless n gigbit router zyxel manual 188

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Chapter 13 Firewall

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NBG-460N User’s Guide

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ZyXEL Communications wireless n gigbit router zyxel manual 188

Contents

NBG-460N Page About This Users Guide Intended AudienceRelated Documentation User Guide FeedbackAbout This Users Guide Document Conventions Syntax ConventionsTelephone Switch Router Modem Icons Used in FiguresNBG-460N Computer Server DslamSafety Warnings Safety Warnings NBG-460N User’s Guide Contents Overview Contents Overview NBG-460N User’s Guide Table of Contents Chapter Connection Wizard Part II Network WAN 177 Part IV Management 235 Part V Maintenance and Troubleshooting 261 Part VI Appendices and Index Table of Contents NBG-460N User’s Guide Part Page Applications Getting to Know Your NBG-460NOverview Wireless Applications Router ModeLAN NBG460NAP Mode 3 AP + BridgeBridge AP + Bridge ApplicationBridge Application Bridge Loop Two Bridges Connected to Hub Features Available in Router Mode vs. AP Mode Feature Router AP Mode BridgeWays to Manage the NBG-460N Router vs. AP vs. BridgePower Good Habits for Managing the NBG-460NLEDs Front Panel LEDsWireless LAN Off Wireless LAN is not ready or has failed This feature Off Device is in normal power modeWAN WlanGetting to Know Your NBG-460N NBG-460N User’s Guide WPS Button WPS Button NBG-460N User’s Guide Accessing the Web Configurator Introducing the Web ConfiguratorWeb Configurator Overview Change Password Screen Procedure to Use the Reset Button Resetting the NBG-460NNavigating the Web Configurator Icon Description Status Screen in Router ModeStatus Screen Icon Key Scheduler Label DescriptionDhcp Wlan is disabled When the line is disconnectedIs enabled and N/A when the Wlan is disabled Memory UsageNavigation Panel Screens SummaryLink TAB Function LANNAT DdnsVPN MgmtMode As a Router or a Access Point Language Summary Any IP TableSummary Bandwidth Management Monitor Logs View LogSummary Dhcp Table Summary BW Mgmt MonitorSummary Packet Statistics Host Name fieldSummary VPN Monitor Intervals fieldStop Click Stop to stop refreshing statistics This is the security association index numberSummary Wireless Station Status This is the index number of an associated wireless stationAssociation Time NBG-460N’s Wlan networkIntroducing the Web Configurator NBG-460N User’s Guide Wizard Setup Connection WizardConnection Wizard System Information System NameDomain Name Underscores are acceptedConnection Wizard Wireless LAN Use the same Ssid in order to access the networkThis option is only available if WPS is not enabled SsidBasic WEP Security Wizard Basic WEP SecurityExtend WPA-PSK or WPA2-PSK Security WEPAscii HEXConnection Wizard Internet Configuration Pre-SharedKey Do thisEthernet Connection PPPoE ConnectionConnection Description Type PptpISP Parameter for Internet Access Pptp ConnectionISP Parameters for Internet Access Wizard Pptp ConnectionYour IP Address WAN IP Address AssignmentUse fixed IP address Provided by your ISP10.0.0.0 172.16.0.0 192.168.0.0 IP Address and Subnet MaskPrivate IP Address Ranges DNS Server Address Assignment WAN IP and DNS Server Address AssignmentChoose an IP address WAN MAC AddressWAN IP Address Assignment Connection Wizard Bandwidth management Wizard WAN MAC AddressConnection Wizard Complete Wizard Bandwidth ManagementConnection Wizard Complete Connection Wizard NBG-460N User’s Guide Internet How to Connect to the Internet from an APTutorials Push Button Configuration NBG460N Example WPS Process PIN Method SSIDExample3 Channel SecurityWPA-PSK Pre-Shared Key ThisismyWPA-PSKpre-sharedkeyConfigure Your Notebook Tutorial Status AP ModeConnecting a Wireless Client to a Wireless Network Using AP + Bridge Mode and WDS Link StatusConfiguring Your Bridge Mode Settings WPA2-PSK Pre-Shared Key ThisismyWPA2-PSKpre-sharedkeySite-To-Site VPN Tunnel Tutorial Site-To-Site VPN Tunnel SettingsSetting BOB’S NBG-460N JACK’S NBG-460N Configuring Bob’s NBG-460N VPN Settings Tutorial PropertyConfiguring Jack’s NBG-460N VPN Settings Tutorial Authentication MethodTutorial Property Tutorial Authentication Method Checking the VPN Connection Pinging Jack’s Local IP AddressConfiguring Bandwidth Management by Application Bandwidth Management for your NetworkConfiguring Bandwidth Management by Custom Application Configuring Bandwidth Allocation by IP or IP RangeFields Services Real Audio Rtsp VDO Live FTP Refer to Appedix F on the Bandwidth Mgnt AP Mode Setting your NBG-460N to AP ModeStatus AP Mode Status ScreenDisplay Network Wireless LAN WPS screen System Setting Configuration ModeThis shows the LAN port’s Dhcp role Client or None SchedulesMenu AP Mode Or connectedMaintenance System General Setting Logs View LogReset the factory defaults to your NBG-460N Mask or to get the LAN IP address from a Dhcp serverSys OP General Configuring Your SettingsLAN Settings Wlan and Maintenance Settings Table below describes the labels in the screenLogging in to the Web Configurator in AP Mode Network Page Wireless LAN Example of a Wireless NetworkWhat You Should Know Wireless Security OverviewWhat You Can Do Ssid Types of Encryption for Each Type of Authentication No Authentication Radius Server100 Weakest Stronges t101 General Wireless LAN ScreenPrintable 7-bit Ascii characters for the wireless LAN No Security 102WPA-PSK and WPA2-PSK are available in this field Select Static WEP , WPA-PSK , WPA , WPA2-PSK or WPA2 to addWEP Encryption 103WEP keys and displays them in the Key fields below Select 64-bit WEP or 128-bit WEP to enable data encryption104 105 AP or peer computerCorrect WEP key HexServer, the reauthentication timer on the Radius server has Security Mode field106 Priority4 WPA/WPA2 107Has priority Server, the reauthentication timer on the Radius server108 MAC Filter Screen 109110 MACWireless LAN Advanced Screen Quality of Service QoS Screen111 RTS/CTS112 On page 123 for more informationWMM QoS Policy You want to apply WMM QoS113 Application Priority ConfigurationConfiguration screen User-Defined 114Mail WPS Screen 115WPS Station Screen Scheduling Screen116 Push Button117 Whole dayFollowing times fields DayWDS Screen 118119 Security Mode Static WEPBetween the NBG-460N and any wireless clients 120 ASCII/HEXSecurity Mode WPA2-PSK Technical ReferenceRoaming 121122 Roaming ExampleQuality of Service 123WiFi Protected Setup IPod Touch Web Configurator124 WMM QoS PrioritiesLogin Screen 125System Status 126127 WAN connection is not working128 MBM129 WPS in ProgressPort Forwarding Turn the rule OFF 130Rule is turned on 131 Accessing the iPod Touch Web ConfiguratorAccessing the iPod Touch Web Configurator 132 133 LAN and WAN134 Configuring Your Internet ConnectionWhat You Need To Know WAN MAC Address Multicast135 Iptv STB Port 136137 You have one STBYou have two STBs 192.168.1.20138 NetBIOS over TCP/IPAuto-Bridge 139 Internet ConnectionEthernet Encapsulation 140 AddressDefined changes to None after you click Apply WAN MACSetting or upload a different ROM file PPPoE Encapsulation141 Select Clone the computers MAC address IP Address and enterAll of the LANs computers will have access 142143 DNS Servers First DNSComputer’s Different ROM filePptp Encapsulation 144145 Pptp connectionSelect Clone the computers MAC address IP Address Advanced WAN Screen146 147 Select Igmp V-1,IGMP V-2 or NoneWhen the NBG-460N gets a WAN IP address that is not To be in Router Mode for the Iptv STB port to workIgmp 148LAN 149IP Pool Setup LAN IP ScreenLAN TCP/IP 150LAN TCP/IP LAN IP Alias151 Any IP Setup Advanced LAN Screen152 IP address that you assign. Unless you are implementingLANs, WANs and the ZyXEL Device 153Any IP 154155 156 Dhcp 157158 Dhcp General ScreenDhcp Advanced Screen 159 Select the Enable Dhcp Server check box. When you clearMust have their DNS server addresses manually configured NBG-460Ns system DNS server configured in the WAN Internet Client List Screen160 Select DNS Relay to have the NBG-460N act as a DNS proxy.161 This is the index number of the host computerHost names. After you click Apply, the MAC address and IP Them162 Network Address Translation NAT 163Enable Network Select the check box to enable NATDefault Server Setup General NAT ScreenNAT Application Screen 165166 Fields under Add Application Rule Wake On LAN is enabled167 168 Configuring Servers Behind Port Forwarding ExampleGame List Example NAT Advanced Screen 169Can establish through the NBG-460N Users may not be able to access the Internet170 LAN that requested the service Trigger Port Forwarding Example171 Traffic to a server on the WANTwo Points To Remember About Trigger Ports 172173 Dynamic DNSDynDNS Wildcard 174 Enable Dynamic Select this check box to use dynamic DNSDynamic DNS Screen 175 WAN IP address176 Part 177178 Firewall 179180 About the NBG-460N FirewallTriangle Routes Triangle Routes and IP Alias 181182 Services ScreenGeneral Firewall Screen 183 Icmp184 Add Firewall Rule screenAdd Firewall Rule Screen 185Pool Single IP is selected as the Address TypeAddress Type Click Clear All to empty the Blocked Services186 187 188 189 Content FilteringContent Filtering Profiles Restrict Web Features 190Keyword Blocking URL Checking Days and TimesFilter Screen 191192 CookiesWeb Proxy AllowedWhich content filtering will be enforced Schedule Screen193 Not affectedCustomizing Keyword Blocking URL Checking 194Domain Name or IP Address URL Checking Full Path URL CheckingIPSec VPN 195IKE SA IKE Phase 1 Overview 196IPSec SA IKE Phase 2 Overview 197IP Addresses of the NBG-460N and Remote IPSec Router Local Network and Remote NetworkGeneral Screen 198VPN Rule Setup Basic 199Feature to work 200Secure Gateway Address field set to Enabled201 202 With dynamic WAN IP addresses Your computer in the Local Content field. The NBG-460N203 204 Address field refer to the Secure Gateway Address fieldVPN Rule Setup Advanced 205Security VPN General Rule Setup IKE Advanced 206Select No to disable it 207208 209 210 211 212 Each IPSec SA. It is more secure but takes more time VPN Rule Setup Manual213 Security VPN General Rule Setup Manual 214215 216 SPI 217Secure Trailing spaces are truncated SA Monitor Screen218 219 VPN and Remote ManagementIKE SA Proposal Diffie-Hellman DH Key Exchange 220Authentication VPN Example Matching ID Type and Content221 Remote Ipsec Router222 Negotiation ModeVPN Example Mismatching ID Type and Content 15.6.6 VPN, NAT, and NAT Traversal 223224 IPSec ProtocolEncapsulation IPSec SA Proposal and Perfect Forward Secrecy Additional IPSec VPN Topics225 SA Life TimePrivate DNS Server Encryption and Authentication Algorithms226 227 Private DNS Server Example228 Management 229230 Lanwan Static Route231 IP Static Route Screen 232Static Route Setup Screen 233234 Bandwidth Management 235FTP Chat, EmailGeneral Configuration Screen 236Mbps 237Management check box Advanced Configuration 238Connected to the WAN port has an upstream speed of 10 Mbps Wlan Bandwidth239 LowRule Configuration with the Pre-defined Service 240Wlan to WAN To WlanRule Configuration User Defined Service Rule Configuration 241Monitor Screen 242Predefined Bandwidth Management Services Media Bandwidth Management Setup ServicesService Description Technical ReferencesDefault Bandwidth Management Classes and Priorities Bandwidth Management Priority with Default Classes244 Class Type PriorityBandwidth Management Priorities Bandwidth Management Priorities245 246 Remote Management 247System Timeout Remote Management LimitationsRemote Management and NAT 248Specify to access the NBG-460N using this service WWW Screen249 Remote management250 Telnet ScreenFTP Screen DNS Screen 251252 You specify to send DNS queries to the NBG-460N253 Universal Plug-and-Play UPnPNAT Traversal UPnP Screen 254Using UPnP in Windows XP Example 255256 Network ConnectionsInternet Connection Properties Advanced Settings 257Web Configurator Easy Access 258259 Network Connections My Network Places260 Network Connections My Network Places Properties ExampleMaintenance Troubleshooting 261262 263 SystemSystem General Screen 264 Time Setting Screen 265266 Select User Defined Time Server Address and enter the IP267 268 Logs 269Log categories that you selected in the Log Settings View Log Screen270 DisplayTime and date Log Settings271 Messages will not be sent via e-mail Mail Log Settings Mail Server272 Smtp 273Sent via e-mail System Maintenance Logs Log Descriptions274 LOG Message DescriptionSystem Error Logs 275Access Control Logs TCP Reset Logs276 Firewall Attack Alerts screen277 Packet Filter Logs278 Icmp LogsUPnP packets can pass through the firewall Content Filtering Logs279 280 Attack Logs281 IPSec Logs282 IKE Logs283 284 802.1X Logs 285PKI Logs ACL Setting Notes 286Packet Direction Description Type Code DescriptionSyslog Logs 287Icmp Notes LOG Display Payload Type 288RFC-2408 Isakmp Payload Types 289 ToolsFirmware Upload Screen Maintenance Tools Firmware 290Upload Error Message Network Temporarily DisconnectedConfiguration Screen Backup ConfigurationRestore Configuration Maintenance Restore ConfigurationConfiguration Restore Successful 293294 Back to Factory DefaultsRestart Screen Indicate either Ready or MAC Address error Wake On LANGreen 295Maintenance Tools Green 296Configuration Mode 297Category Link TAB Advanced Configuration Options298 Sys Op Mode 299300 RouterMaintenance Sys OP Mode General 301302 Firewall or bandwidth management303 LanguageLanguage Screen 304 305 TroubleshootingPower, Hardware Connections, and LEDs NBG-460N Access and Login 306307 Advanced SuggestionsInternet Access 308309 Internet connection is slow or intermittentResetting the NBG-460N to Its Factory Defaults 310Wireless Router/AP Troubleshooting 311Advanced Features 312Product Specifications and Wall- Mounting Instructions Hardware Features313 PWR, LAN1-4, WAN, WLAN, WPSFirmware Features Such as microwave ovens, wireless phonesBluetooth enabled devices, and other wireless LANs 314315 Feature Specifications Feature Specification316 Standards SupportedProtocol MBM Media Bandwidth Management Wall-mounting Instructions317 318 Masonry Plug and M4 Tap ScrewAppendices Index 319320 321 Disable pop-up BlockersInternet Explorer Pop-up Blockers Enable pop-up Blockers with Exceptions 322Select Settings…to open the Pop-up Blocker Settings screen 323JavaScripts 324325 Internet Options SecurityJava Permissions 326327 Java Sun328 Java Sun329 Introduction to IP AddressesStructure Subnet Masks 330Subnet Mask Identifying Network Number 1ST 2ND 3RD 4TH Octet331 Network SizeSubnet Masks Binary 1ST 2ND 3RD 4TH Decimal OctetNotation 332Maximum Host Numbers Alternative Subnet Mask NotationSubnetting 333Example Four Subnets 334335 IP/SUBNET Mask Network Number Last Octet BIT Value336 Example Eight SubnetsSubnet Planning Configuring IP Addresses 33716-bit Network Number Subnet Planning NO. Borrowed Subnet Mask NO. Hosts PER Host Bits Subnets338 Private IP AddressesSetting up Your Computer’s IP Address 339340 Installing ComponentsWindows 95/98/Me Configuring 341Verifying Settings 342Windows 2000/NT/XP 343344 Windows XP Control Panel345 Windows XP Local Area Connection Properties346 Windows XP Internet Protocol TCP/IP Properties347 Windows XP Advanced TCP/IP Properties348 Macintosh OS 8/9 349350 Macintosh OS 8/9 TCP/IPMacintosh OS 351352 Using the K Desktop Environment KDELinux 353 Red Hat 9.0 KDE Ethernet Device GeneralUsing Configuration Files 354Red Hat 9.0 Static IP Address Setting in ifconfig-eth0 Red Hat 9.0 DNS Settings in resolv.confVerifying Settings 356357 Wireless LAN TopologiesAd-hoc Wireless LAN Configuration Basic Service Set 358Channel 359360 RTS/CTSIeee 802.11g Wireless LAN Fragmentation ThresholdPreamble Type 361Ieee 362Ieee 802.11g Data Rate Modulation MbpsTypes of Authentication 363Types of Radius Messages EAP-MD5 Message-Digest AlgorithmEAP-TTLS Tunneled Transport Layer Service 364EAP-TLS Transport Layer Security Peap Protected EAPComparison of EAP Authentication Types WPA2365 EncryptionUser Authentication 366367 27.0.2 WPA2-PSK Application Example27.0.3 WPA2 with Radius Application Example Wireless Security Relational Matrix Authentication Encryptio Enter METHOD/ KEYSecurity Parameters Summary 368Services 369Name Protocol Ports Description Examples of Services370 371 372 Copyright Certifications373 Disclaimer374 FCC Radiation Exposure StatementViewing Certifications ZyXEL Limited Warranty375 376 RegistrationIndex 377Classes and priorities CTS Clear to SendEncapsulating Security Payload. See ESP 378Essid 379 IKE SAEthernet PPPoE. see also PPP over Ethernet Language Link type 40Mbssid 380MAC Radius QoS QoS priorities Quality of Service QoS381 Wireless security 98 overview 382383 Xbox Live ZyNOS 39384