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Chapter 15 IPSec VPN

computers that use private domain names on the HQ network, the NBG-460N at B uses the Intranet DNS server in headquarters.

Figure 142 Private DNS Server Example

	ISP
	DNS Servers
LAN	212.54.64.170	212.54.64.171		HQ
LAN
DNS: 212.51.61.170
DNS: 212.51.61.170			10.1.1.1/200
212.54.64.171

Intranet DNS

10.1.1.10

Note: If you do not specify an Intranet DNS server on the remote network, then the VPN host must use IP addresses to access the computers on the remote private network.

NBG-460N User’s Guide

Page 227

Image 227

ZyXEL Communications wireless n gigbit router zyxel manual 227, Private DNS Server Example

Contents

NBG-460N Page User Guide Feedback About This Users GuideIntended Audience Related Documentation About This Users Guide Syntax Conventions Document Conventions Dslam Telephone Switch Router ModemIcons Used in Figures NBG-460N Computer Server Safety 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 NBG460N Wireless ApplicationsRouter Mode LAN 3 AP + Bridge AP Mode AP + Bridge Application Bridge Bridge Application Bridge Loop Two Bridges Connected to Hub Router vs. AP vs. Bridge Features Available in Router Mode vs. AP ModeFeature Router AP Mode Bridge Ways to Manage the NBG-460N Front Panel LEDs PowerGood Habits for Managing the NBG-460N LEDs Wlan Wireless LAN Off Wireless LAN is not ready or has failedThis feature Off Device is in normal power mode WAN Getting 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 Memory Usage Wlan is disabledWhen the line is disconnected Is enabled and N/A when the Wlan is disabled LAN Navigation PanelScreens Summary Link TAB Function Mgmt NATDdns VPN Logs View Log Mode As a Router or a Access Point LanguageSummary Any IP Table Summary Bandwidth Management Monitor Summary BW Mgmt Monitor Summary Dhcp Table Host Name field Summary Packet Statistics This is the security association index number Summary VPN MonitorIntervals field Stop Click Stop to stop refreshing statistics NBG-460N’s Wlan network Summary Wireless Station StatusThis is the index number of an associated wireless station Association Time Introducing the Web Configurator NBG-460N User’s Guide Connection Wizard Wizard Setup System Name Connection Wizard System Information Underscores are accepted Domain Name Ssid Connection Wizard Wireless LANUse the same Ssid in order to access the network This option is only available if WPS is not enabled Wizard Basic WEP Security Basic WEP Security HEX Extend WPA-PSK or WPA2-PSK SecurityWEP Ascii Do this Connection Wizard Internet ConfigurationPre-Shared Key Pptp Ethernet ConnectionPPPoE Connection Connection Description Type Pptp Connection ISP Parameter for Internet Access Wizard Pptp Connection ISP Parameters for Internet Access Provided by your ISP Your IP AddressWAN IP Address Assignment Use fixed IP address 10.0.0.0 172.16.0.0 192.168.0.0 IP Address and Subnet MaskPrivate IP Address Ranges WAN IP and DNS Server Address Assignment DNS Server Address Assignment Choose an IP address WAN MAC AddressWAN IP Address Assignment Wizard WAN MAC Address Connection Wizard Bandwidth management Wizard Bandwidth Management Connection Wizard Complete Connection 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 Pre-Shared Key ThisismyWPA-PSKpre-sharedkey SSIDExample3Channel Security WPA-PSK Tutorial Status AP Mode Configure Your Notebook Connecting a Wireless Client to a Wireless Network Link Status Using AP + Bridge Mode and WDS Configuring Your Bridge Mode Settings Pre-Shared Key ThisismyWPA2-PSKpre-sharedkey WPA2-PSK Site-To-Site VPN Tunnel Tutorial Site-To-Site VPN Tunnel SettingsSetting BOB’S NBG-460N JACK’S NBG-460N Tutorial Property Configuring Bob’s NBG-460N VPN Settings Tutorial Authentication Method Configuring Jack’s NBG-460N VPN Settings Tutorial Property Tutorial Authentication Method Pinging Jack’s Local IP Address Checking the VPN Connection Bandwidth Management for your Network Configuring Bandwidth Management by Application Configuring Bandwidth Allocation by IP or IP Range Configuring Bandwidth Management by Custom Application Fields Services Real Audio Rtsp VDO Live FTP Refer to Appedix F on the Bandwidth Mgnt Setting your NBG-460N to AP Mode AP Mode Status Screen Status AP Mode Schedules Display Network Wireless LAN WPS screenSystem Setting Configuration Mode This shows the LAN port’s Dhcp role Client or None Or connected Menu AP Mode Mask or to get the LAN IP address from a Dhcp server Maintenance System GeneralSetting Logs View Log Reset the factory defaults to your NBG-460N Sys OP General Configuring Your SettingsLAN Settings Table below describes the labels in the screen Wlan and Maintenance Settings Logging in to the Web Configurator in AP Mode Network Page Example of a Wireless Network Wireless LAN What You Should Know Wireless Security OverviewWhat You Can Do Ssid Weakest Stronges t Types of Encryption for Each Type of AuthenticationNo Authentication Radius Server 100 101 General Wireless LAN ScreenPrintable 7-bit Ascii characters for the wireless LAN Select Static WEP , WPA-PSK , WPA , WPA2-PSK or WPA2 to add No Security102 WPA-PSK and WPA2-PSK are available in this field 103 WEP Encryption WEP keys and displays them in the Key fields below Select 64-bit WEP or 128-bit WEP to enable data encryption104 Hex 105AP or peer computer Correct WEP key Priority Server, the reauthentication timer on the Radius server hasSecurity Mode field 106 107 4 WPA/WPA2 Has priority Server, the reauthentication timer on the Radius server108 109 MAC Filter Screen MAC 110 RTS/CTS Wireless LAN Advanced ScreenQuality of Service QoS Screen 111 You want to apply WMM QoS 112On page 123 for more information WMM QoS Policy 113 Application Priority ConfigurationConfiguration screen User-Defined 114Mail 115 WPS Screen Push Button WPS Station ScreenScheduling Screen 116 Day 117Whole day Following times fields 118 WDS Screen 119 Security Mode Static WEPBetween the NBG-460N and any wireless clients ASCII/HEX 120 121 Security Mode WPA2-PSKTechnical Reference Roaming Roaming Example 122 123 Quality of Service WMM QoS Priorities WiFi Protected SetupIPod Touch Web Configurator 124 125 Login Screen 126 System Status WAN connection is not working 127 MBM 128 129 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 LAN and WAN 133 134 Configuring Your Internet ConnectionWhat You Need To Know WAN MAC Address Multicast135 136 Iptv STB Port 192.168.1.20 137You have one STB You have two STBs 138 NetBIOS over TCP/IPAuto-Bridge 139 Internet ConnectionEthernet Encapsulation WAN MAC 140Address Defined changes to None after you click Apply Select Clone the computers MAC address IP Address and enter Setting or upload a different ROM filePPPoE Encapsulation 141 142 All of the LANs computers will have access Different ROM file 143DNS Servers First DNS Computer’s 144 Pptp Encapsulation Pptp connection 145 Select Clone the computers MAC address IP Address Advanced WAN Screen146 Select Igmp V-1,IGMP V-2 or None 147 148 When the NBG-460N gets a WAN IP address that is notTo be in Router Mode for the Iptv STB port to work Igmp 149 LAN 150 IP Pool SetupLAN IP Screen LAN TCP/IP LAN TCP/IP LAN IP Alias151 IP address that you assign. Unless you are implementing Any IP SetupAdvanced LAN Screen 152 153 LANs, WANs and the ZyXEL Device 154 Any IP 155 156 157 Dhcp 158 Dhcp General ScreenDhcp Advanced Screen 159 Select the Enable Dhcp Server check box. When you clearMust have their DNS server addresses manually configured Select DNS Relay to have the NBG-460N act as a DNS proxy. NBG-460Ns system DNS server configured in the WAN InternetClient List Screen 160 Them 161This is the index number of the host computer Host names. After you click Apply, the MAC address and IP 162 163 Network Address Translation NAT General NAT Screen Enable NetworkSelect the check box to enable NAT Default Server Setup 165 NAT Application Screen 166 Fields under Add Application Rule Wake On LAN is enabled167 168 Configuring Servers Behind Port Forwarding ExampleGame List Example 169 NAT Advanced Screen Can establish through the NBG-460N Users may not be able to access the Internet170 Traffic to a server on the WAN LAN that requested the serviceTrigger Port Forwarding Example 171 172 Two Points To Remember About Trigger Ports 173 Dynamic DNSDynDNS Wildcard 174 Enable Dynamic Select this check box to use dynamic DNSDynamic DNS Screen WAN IP address 175 176 177 Part 178 179 Firewall 180 About the NBG-460N FirewallTriangle Routes 181 Triangle Routes and IP Alias 182 Services ScreenGeneral Firewall Screen Icmp 183 Add Firewall Rule screen 184 Single IP is selected as the Address Type Add Firewall Rule Screen185 Pool Address Type Click Clear All to empty the Blocked Services186 187 188 189 Content FilteringContent Filtering Profiles Days and Times Restrict Web Features190 Keyword Blocking URL Checking 191 Filter Screen Allowed 192Cookies Web Proxy Not affected Which content filtering will be enforcedSchedule Screen 193 Full Path URL Checking Customizing Keyword Blocking URL Checking194 Domain Name or IP Address URL Checking 195 IPSec VPN 196 IKE SA IKE Phase 1 Overview Local Network and Remote Network IPSec SA IKE Phase 2 Overview197 IP Addresses of the NBG-460N and Remote IPSec Router 198 General Screen 199 VPN Rule Setup Basic 200 Feature to work Secure Gateway Address field set to Enabled201 202 With dynamic WAN IP addresses Your computer in the Local Content field. The NBG-460N203 Address field refer to the Secure Gateway Address field 204 205 VPN Rule Setup Advanced 206 Security VPN General Rule Setup IKE Advanced 207 Select No to disable it 208 209 210 211 212 Each IPSec SA. It is more secure but takes more time VPN Rule Setup Manual213 214 Security VPN General Rule Setup Manual 215 216 SPI 217Secure Trailing spaces are truncated SA Monitor Screen218 219 VPN and Remote ManagementIKE SA Proposal 220 Diffie-Hellman DH Key Exchange Remote Ipsec Router AuthenticationVPN Example Matching ID Type and Content 221 222 Negotiation ModeVPN Example Mismatching ID Type and Content 223 15.6.6 VPN, NAT, and NAT Traversal 224 IPSec ProtocolEncapsulation SA Life Time IPSec SA Proposal and Perfect Forward SecrecyAdditional IPSec VPN Topics 225 Private DNS Server Encryption and Authentication Algorithms226 Private DNS Server Example 227 228 229 Management 230 Lanwan Static Route231 232 IP Static Route Screen 233 Static Route Setup Screen 234 Chat, Email Bandwidth Management235 FTP 236 General Configuration Screen Mbps 237Management check box Wlan Bandwidth Advanced Configuration238 Connected to the WAN port has an upstream speed of 10 Mbps Low 239 To Wlan Rule Configuration with the Pre-defined Service240 Wlan to WAN 241 Rule Configuration User Defined Service Rule Configuration 242 Monitor Screen Technical References Predefined Bandwidth Management ServicesMedia Bandwidth Management Setup Services Service Description Class Type Priority Default Bandwidth Management Classes and PrioritiesBandwidth Management Priority with Default Classes 244 Bandwidth Management Priorities Bandwidth Management Priorities245 246 247 Remote Management 248 System TimeoutRemote Management Limitations Remote Management and NAT Remote management Specify to access the NBG-460N using this serviceWWW Screen 249 250 Telnet ScreenFTP Screen 251 DNS Screen You specify to send DNS queries to the NBG-460N 252 253 Universal Plug-and-Play UPnPNAT Traversal 254 UPnP Screen 255 Using UPnP in Windows XP Example Network Connections 256 257 Internet Connection Properties Advanced Settings 258 Web Configurator Easy Access Network Connections My Network Places 259 Network Connections My Network Places Properties Example 260 261 Maintenance Troubleshooting 262 263 SystemSystem General Screen 264 265 Time Setting Screen Select User Defined Time Server Address and enter the IP 266 267 268 269 Logs Display Log categories that you selected in the Log SettingsView Log Screen 270 Time and date Log Settings271 Messages will not be sent via e-mail Mail Log Settings Mail Server272 Smtp 273Sent via e-mail LOG Message Description System Maintenance LogsLog Descriptions 274 275 System Error Logs Firewall Attack Alerts screen Access Control LogsTCP Reset Logs 276 Packet Filter Logs 277 Icmp Logs 278 UPnP packets can pass through the firewall Content Filtering Logs279 Attack Logs 280 IPSec Logs 281 IKE Logs 282 283 284 802.1X Logs 285PKI Logs Type Code Description ACL Setting Notes286 Packet Direction Description Syslog Logs 287Icmp Notes LOG Display Payload Type 288RFC-2408 Isakmp Payload Types 289 ToolsFirmware Upload Screen 290 Maintenance Tools Firmware Network Temporarily Disconnected Upload Error Message Maintenance Restore Configuration Configuration ScreenBackup Configuration Restore Configuration 293 Configuration Restore Successful 294 Back to Factory DefaultsRestart Screen 295 Indicate either Ready or MAC Address errorWake On LAN Green 296 Maintenance Tools Green 297 Configuration Mode Category Link TAB Advanced Configuration Options298 299 Sys Op Mode Router 300 301 Maintenance Sys OP Mode General Firewall or bandwidth management 302 303 LanguageLanguage Screen 304 305 TroubleshootingPower, Hardware Connections, and LEDs 306 NBG-460N Access and Login Advanced Suggestions 307 308 Internet Access Internet connection is slow or intermittent 309 310 Resetting the NBG-460N to Its Factory Defaults 311 Wireless Router/AP Troubleshooting 312 Advanced Features PWR, LAN1-4, WAN, WLAN, WPS Product Specifications and Wall- Mounting InstructionsHardware Features 313 314 Firmware FeaturesSuch as microwave ovens, wireless phones Bluetooth enabled devices, and other wireless LANs 315 Standards Supported Feature SpecificationsFeature Specification 316 Protocol MBM Media Bandwidth Management Wall-mounting Instructions317 Masonry Plug and M4 Tap Screw 318 319 Appendices Index 320 321 Disable pop-up BlockersInternet Explorer Pop-up Blockers 322 Enable pop-up Blockers with Exceptions 323 Select Settings…to open the Pop-up Blocker Settings screen 324 JavaScripts Internet Options Security 325 326 Java Permissions Java Sun 327 Java Sun 328 329 Introduction to IP AddressesStructure 1ST 2ND 3RD 4TH Octet Subnet Masks330 Subnet Mask Identifying Network Number Binary 1ST 2ND 3RD 4TH Decimal Octet 331Network Size Subnet Masks Alternative Subnet Mask Notation Notation332 Maximum Host Numbers 333 Subnetting 334 Example Four Subnets IP/SUBNET Mask Network Number Last Octet BIT Value 335 336 Example Eight SubnetsSubnet Planning NO. Borrowed Subnet Mask NO. Hosts PER Host Bits Subnets Configuring IP Addresses337 16-bit Network Number Subnet Planning Private IP Addresses 338 339 Setting up Your Computer’s IP Address 340 Installing ComponentsWindows 95/98/Me 341 Configuring 342 Verifying Settings 343 Windows 2000/NT/XP Windows XP Control Panel 344 Windows XP Local Area Connection Properties 345 Windows XP Internet Protocol TCP/IP Properties 346 Windows XP Advanced TCP/IP Properties 347 348 349 Macintosh OS 8/9 Macintosh OS 8/9 TCP/IP 350 351 Macintosh OS 352 Using the K Desktop Environment KDELinux Red Hat 9.0 KDE Ethernet Device General 353 354 Using Configuration Files Red Hat 9.0 DNS Settings in resolv.conf Red Hat 9.0 Static IP Address Setting in ifconfig-eth0 356 Verifying Settings 357 Wireless LAN TopologiesAd-hoc Wireless LAN Configuration 358 Basic Service Set 359 Channel RTS/CTS 360 361 Ieee 802.11g Wireless LANFragmentation Threshold Preamble Type Data Rate Modulation Mbps Ieee362 Ieee 802.11g EAP-MD5 Message-Digest Algorithm Types of Authentication363 Types of Radius Messages Peap Protected EAP EAP-TTLS Tunneled Transport Layer Service364 EAP-TLS Transport Layer Security Encryption Comparison of EAP Authentication TypesWPA2 365 366 User Authentication 367 27.0.2 WPA2-PSK Application Example27.0.3 WPA2 with Radius Application Example 368 Wireless Security Relational MatrixAuthentication Encryptio Enter METHOD/ KEY Security Parameters Summary 369 Services Name Protocol Ports Description Examples of Services370 371 372 Disclaimer CopyrightCertifications 373 FCC Radiation Exposure Statement 374 Viewing Certifications ZyXEL Limited Warranty375 Registration 376 CTS Clear to Send Index377 Classes and priorities Encapsulating Security Payload. See ESP 378Essid Language Link type 40 379IKE SA Ethernet PPPoE. see also PPP over Ethernet Mbssid 380MAC Radius QoS QoS priorities Quality of Service QoS381 382 Wireless security 98 overview Xbox Live ZyNOS 39 383 384