For more information

•Administration describes DFL-500 management and administrative tasks.

•The Glossary defines many of the terms used in this document.

In addition to the DFL-500 User Manual , you have access to the following DFL-500 documentation:

•DFL-500 QuickStart Guide

•DFL-500 CLI Reference Guide

•DFL-500 online help

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DFL-500 User Manual	9

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D-Link DFL-500 user manual For more information, Customer service and technical support

Contents

Link DFL-500 Regulatory Compliance Table of Contents Firewall configuration IPSec VPNs Logging and reporting Page NAT/Route mode NAT/Route mode and Transparent modeTransparent mode Introduction Customer service and technical support For more informationDFL-500 QuickStart Guide DFL-500 CLI Reference Guide Package contents Getting startedMounting Powering on Connecting to the web-based manager Initial configuration Connecting to the command line interface CLI DFL-500 loginBits per second Next steps Data bits ParityStop bits Flow control NAT/Route mode installation Preparing to configure NAT/Route modeNAT/Route mode settings Using the command line interface Using the setup wizardStarting the setup wizard Reconnecting to the web-based manager Set system route number 1 gw1 Connecting to your networks Completing the configuration Configuring your internal networkSetting the date and time DFL-500 NPG network connections Preparing to configure Transparent mode Transparent mode installationChanging to Transparent mode Transparent mode settings Administrator Password Set system management ip 10.10.10.2 Configuring the Transparent mode management IP address Setting the date and time Connecting to your networkConfigure the Transparent mode default gateway DFL-500 network connections Default policy Firewall configuration Adding NAT/Route mode policies Changing to NAT/Route modeGo to Firewall Policy Authentication Source Destination Schedule Service ActionDynamic IP Pool Fixed Port VPN Tunnel Web filter Content filtering Adding Transparent mode policies Source Destination Schedule ServiceAdding a NAT/Route Int -Ext policy Log Traffic Authentication Web filter Configuring policy lists Adding a Transparent mode Int -Ext policyPolicy matching in detail Addresses Changing the order of policies in a policy listEnabling and disabling policies Deleting addresses Adding addressesGo to Firewall Address Adding a firewall address Organizing addresses into address groups ServicesGo to Firewall Address Group Adding an internal address group Providing access to custom services Predefined servicesGrouping services Go to Firewall Service Custom Schedules Adding a service groupCreating one-time schedules Go to Firewall Schedule One-time Creating recurring schedules Virtual IPsAdding a schedule to a policy Go to Firewall Schedule Recurring Adding static NAT virtual IPs Go to Firewall Virtual IPStatic NAT Port Forwarding Adding a static NAT virtual IP Using port forwarding virtual IPs Go to Firewall Policy Ext Int Adding policies with virtual IPsAdding a Port Forwarding virtual IP Source Destination Schedule Service Action Authentication Log Traffic Web filterIP pools IP/MAC binding Go to Firewall IP/MAC Binding SettingGo to Firewall IP/MAC Binding Static IP/MAC Adding an IP Pool Adding IP/MAC addresses Configuring IP/MAC binding for packets going to the firewall Viewing the dynamic IP/MAC list IP/MAC settingsEnabling IP/MAC binding Go to Firewall IP/MAC Binding Dynamic IP/MAC Setting authentication time out Users and authenticationAdding user names and configuring authentication Adding user names and configuring authentication Disable Deleting user names from the internal databaseAdding a user name Example Radius configuration Configuring Radius supportAdding Radius servers Deleting Radius servers Adding user groups Configuring user groups Adding a user group Deleting user groups Interoperability with IPSec VPN products IPSec VPNs See Adding a remote gateway Configuring AutoIKE key IPSec VPN Configuring manual key IPSec VPN Configuring dialup VPNConfiguring a VPN concentrator for hub and spoke VPN Configuring the member VPNs Configuring the VPN concentrator Configuring IPSec redundancy Adding a remote gateway Go to VPN Ipsec Remote GatewayLocal ID About dialup VPN authentication Nat-traversal Keepalive FrequencyAdding a remote gateway Dialup User selected Main mode with no user group selected About the P1 proposal About DH groupsLocal ID Empty Key Adding an AutoIKE key VPN tunnel About NAT traversalGo to VPN Ipsec AutoIKE Key About replay detection About the P2 proposalAutokey Keep Alive Concentrator Adding an AutoIKE key VPN tunnel Adding a manual key VPN tunnel About perfect forward secrecy PFSGo to VPN Ipsec Manual Key Adding a manual key VPN tunnel Adding a VPN concentrator Adding a VPN concentrator Adding an encrypt policy Go to Firewall Policy Int-Ext Adding an encrypt policyVPN Tunnel Allow inbound Allow outbound Inbound Viewing VPN tunnel status Testing a VPN Viewing dialup VPN connection statusAutoIKE key tunnel status Page Pptp and L2TP VPNs Pptp VPN configuration Configuring the DFL-500 NPG as a Pptp gateway Go to VPN Pptp Pptp RangePptp VPN between a Windows client and the DFL-500 NPG Source Destination Service Action Example Pptp Range configuration Configuring the DFL-500 NPG as an L2TP gateway L2TP VPN configurationGo to VPN L2TP L2TP Range L2TP VPN between a Windows client and the DFL-500 NPG Sample L2TP address range configuration Enabling web content Filtering Web content filteringBlocking web pages that contain unwanted content Configuring content filtering Changing the content block message Clearing the banned word listBacking up and restoring the banned word list Blocking access to URLs Configuring URL blockingGo to Web Filter URL Block Changing the URL block message Clearing the URL block listDownloading the URL block list Uploading a URL block list Exempting URLs from content or URL blocking Removing scripts from web pagesGo to Web Filter Script Filter Clearing the Exempt URL list Adding URLs to the Exempt URL ListDownloading the Exempt URL list Go to Web Filter Exempt URL Uploading an Exempt URL list Go to Log&Report Log setting Configuring LoggingLogging and reporting Recording logs on a remote computer Configuring alert email Example log settingsSelecting what to log Go to System Network DNS Configuring alert email System status Administration Execute ping Upgrading the DFL-500 NPG firmware Enter Tftp Server Address Enter Local AddressEnter File Name image.out Restoring system settings Backing up system settingsRestoring system settings to factory defaults Displaying the DFL-500 NPG serial number Changing to Transparent mode Restarting the DFL-500 NPG Shutting down the DFL-500 NPGSystem status monitor System status monitor Network configurationCPU usage Memory usage Up time Total Number of Sessions Protocol From IP From Port To IP To Port Expire Clear Configuring the external interface Configuring the internal interfaceConfiguring the internal interface Go to System Network Interface Configuring the external interface with a static IP address Configuring the external interface Configuring the external interface for PPPoE Https Ping SSH Snmp Configuring the management interface Transparent mode Configuring routingSetting DNS server addresses Adding routing gateways Adding a default route Adding routes to the routing tableGo to System Network Routing Table Adding routes Transparent mode Configuring the routing tableEnabling RIP server support Go to System Network Routing Default Route Exclusion Range Providing Dhcp services to your internal networkGo to System Network Dhcp Starting IP Ending IP Netmask Lease Duration Domain System configuration Sample Dhcp settingsExample Dynamic IP list Setting system date and time Go to System Config TimeExample date and time setting Go to System Config Admin Adding and editing administrator accountsChanging web-based manager options Read Write Only Go to System Config Snmp Configuring Snmp 100 101 Glossary 102 103 104 Index 105 CLI 106 Dhcp 107 Snmp 108 PFS 109 Transparent mode manual key Adding VPN tunnel IPSec VPN 110 NTP 111 Pptp 112 Smtp 113 VPN 114 IPSec VPN Remote Gateway user groups Deleting 115 116 Technical Support 117 Registration Card 118 119 Limited Warranty 120 121 122 Registration