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Fortinet FortiGate-800 manual Contents

Models: FortiGate-800

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Contents

Installation and Configuration Guide January 15Trademarks Regulatory ComplianceTable of Contents NAT/Route mode installation High availability Virus and attack definitions updates and registration 117 Network configuration 137 System configuration 169 Users and authentication 223 IPSec VPN 231 Network Intrusion Detection System Nids 269 Email filter 303 Glossary 323 Index 327 Contents Introduction Flexibility demanded by large enterprisesWeb content filtering Antivirus protectionEmail filtering FirewallVLANs and virtual domains NAT/Route modeTransparent mode Network intrusion detectionVPN High availabilitySecure installation, configuration, and management Web-based managerCommand line interface Logging and reportingDocument conventions Fortinet documentationCustomer service and technical support Comments on Fortinet technical documentationCustomer service and technical support Getting started Package contents MountingEnvironmental specifications Powering onPower requirements To power on the FortiGate-800 unitConnecting to the web-based manager To connect to the web-based managerBits per second 9600 Data bits Parity Connecting to the command line interface CLITo connect to the CLI Stop bits Flow controlAccount Factory default FortiGate configuration settingsFactory default NAT/Route mode network configuration Internal interfaceFactory default Transparent mode network configuration Factory default firewall configuration Factory default content profiles Strict content profileScan content profile Options Scan content profileStrict content profile Options Web content profile Options Web content profileUnfiltered content profile Unfiltered content profile OptionsPlanning the FortiGate configuration Example NAT/Route mode network configurationNAT/Route mode with multiple external network connections Example NAT/Route multiple internet connection configurationConfiguration options Setup wizardFortiGate model maximum values matrix Front keypad and LCDNext steps Signatures Antivirus file Block patterns Web filterNAT/Route mode installation Preparing to configure NAT/Route modeDhcp server Advanced NAT/Route mode settingsAdvanced FortiGate NAT/Route mode settings Reconnecting to the web-based manager Using the setup wizardStarting the setup wizard DMZ and user-defined interfacesConfiguring the FortiGate unit to operate in NAT/Route mode Using the front control buttons and LCDUsing the command line interface Configuring NAT/Route mode IP addressesSet system interface external mode static ip 204.23.1.5 Connecting the FortiGate unit to your networks To connect the FortiGate unit running in NAT/Route modeFortiGate-800 External To connect to FortiGate-800 user-defined interfacesConfiguring your networks Example FortiGate-800 user-defined interface connectionsConfiguring interfaces 1 to Completing the configurationConfiguring the DMZ interface Setting the date and timeRegistering your FortiGate unit Configuration example Multiple connections to the InternetConfiguring virus and attack definition updates Configuring ping servers InternalDestination-based routing examples Using the CLIPrimary and backup links to the Internet Go to System Network Routing TableLoad sharing Load sharing and primary and secondary connectionsTo add the routes using the CLI Routing table should have routes arranged as shown in TableRouting a service to an external network Policy routing examplesFirewall policy example Adding a redundant default policyDestination DMZAll Schedule Always Service Adding more firewall policiesRestricting access to a single Internet connection Configuration example Multiple connections to the Internet Transparent mode settings Administrator Password Transparent mode installationPreparing to configure Transparent mode DNS SettingsChanging to Transparent mode using the web-based manager Go to System StatusChanging to Transparent mode using the CLI Operation mode TransparentEnabling antivirus protection Configuring the Transparent mode management IP addressConfigure the Transparent mode default gateway Connecting the FortiGate unit to your networks Transparent mode configuration examples FortiGate-800Default routes and static routes Example default route to an external networkGeneral configuration steps Default route to an external networkExample static route to an external destination Web-based manager example configuration stepsCLI configuration steps Go to System Network ManagementDMZ Example static route to an internal destination FortiGate-800 Set system route number 1 dst 172.16.1.11 255.255.255.0 gw1 Transparent mode configuration examples High availability To configure a FortiGate unit for HA operation Configuring an HA clusterConfiguring FortiGate units for HA operation Go to System Config HAHub Weighted Round RobinNone Least ConnectionConnecting the cluster Example Active-Active HA configurationHA network configuration To connect the clusterTo add a new unit to the cluster Managing an HA clusterAdding a new FortiGate unit to a functioning cluster Configuring cluster interface monitoring Viewing the status of cluster members Monitoring cluster membersTo set the update frequency Example cluster CPU, memory, and hard disk displayViewing cluster sessions Viewing and managing cluster log messagesManaging individual cluster units Monitoring cluster units for failoverViewing cluster communication sessions To set the host name of each cluster member Changing cluster unit host namesTo manage a cluster unit Synchronizing the cluster configuration Keyword DescriptionUpgrading firmware Selecting a FortiGate unit as a permanent primary unit Advanced HA optionsReplacing a FortiGate unit after failover To select a permanent primary unitConfiguring weighted-round-robin weights To set the priority of each FortiGate unit in a clusterActive-Active cluster packet flow Active-active HA packet flowNAT/Route mode packet flow Transparent mode packet flow Active-Active cluster packet flow System status System statusChanging the FortiGate firmware Firmware upgrade procedures Procedure DescriptionChanging the FortiGate host name To change the FortiGate host name Go to System StatusTo upgrade the firmware using the web-based manager Upgrading the firmware using the web-based managerUpgrading the firmware using the CLI To upgrade the firmware using the CLIReverting to a previous firmware version Execute pingReverting to a previous firmware version using the CLI To revert to a previous firmware version using the CLI To install firmware from a system reboot Press any key to enter configuration menu 100101 Restoring the previous configurationTesting a new firmware image before installing it 102 To test a new firmware image103 Installing and using a backup firmware imageInstalling a backup firmware image To install a backup firmware image 104105 Switching to the backup firmware imageTo switch to the backup firmware image To switch back to the default firmware image Manual virus definition updatesSwitching back to the default firmware image To update the antivirus definitions manuallyDisplaying the FortiGate serial number Manual attack definition updatesTo update the attack definitions manually 107Displaying the FortiGate up time Backing up system settingsRestoring system settings Displaying log hard disk statusTo change to Transparent mode Go to System Status Restoring system settings to factory defaultsChanging to Transparent mode 109Restarting the FortiGate unit Changing to NAT/Route modeTo change to NAT/Route mode Go to System Status Shutting down the FortiGate unit111 System statusViewing CPU and memory status To view CPU and memory status Go to System Status MonitorViewing sessions and network status CPU and memory status monitorViewing virus and intrusions status 113Session list To view the session list Go to System Status Session115 Protocol116 117 Virus and attack definitions updates and registrationUpdating antivirus and attack definitions Version Expiry date Last update attempt Last update status Connecting to the FortiResponse Distribution NetworkGo to System Update To make sure the FortiGate unit can connect to the FDNManually initiating antivirus and attack definitions updates 119Enabling scheduled updates Scheduling updatesConfiguring update logging 120121 To add an override server Go to System UpdateAdding an override server 122 Enabling push updatesEnabling scheduled updates through a proxy server To enable push updates Go to System Update Enabling push updatesPush updates when FortiGate IP addresses change 123124 Enabling push updates through a NAT deviceExample push updates through a NAT device General procedure 125126 Adding a firewall policy for the port forwarding virtual IP To configure the FortiGate NAT deviceSchedule Always Service ANY Action Accept 127Registering FortiGate units 128FortiCare Service Contracts 129Registering the FortiGate unit 130Updating registration information 131132 Recovering a lost Fortinet support passwordViewing the list of registered FortiGate units 133 Registering a new FortiGate unitAdding or changing a FortiCare Support Contract number 134 Changing your Fortinet support passwordChanging your contact information or security question Downloading virus and attack definitions updates 135Registering a FortiGate unit after an RMA 136137 Network configurationConfiguring zones Deleting zones Configuring interfacesAdding zones 138Adding an interface to a zone Changing the administrative status of an interfaceViewing the interface list 139140 Configuring an interface with a manual IP addressConfiguring an interface for Dhcp Configuring an interface for PPPoE 141142 Adding a secondary IP address to an interfaceAdding a ping server to an interface Controlling administrative access to an interface 143Changing the MTU size to improve network performance Configuring traffic logging for connections to an interfaceConfiguring the management interface in Transparent mode 144Vlan overview 145Rules for Vlan IP addresses VLANs in NAT/Route modeRules for Vlan IDs 146147 Virtual domains in Transparent modeAdding Vlan subinterfaces To add Vlan subinterfaces Go to System Network Interface148 FortiGate unit with two virtual domainsAdding a virtual domain Configuring a virtual domainVirtual domain properties 149150 Adding Vlan subinterfaces to a virtual domainAdding zones to virtual domains 151 To add a zone to a virtual domain Go to System Network Zone152 Adding firewall policies for virtual domainsAdding addresses for virtual domains Go to Firewall AddressDeleting virtual domains Configuring routingAdding DNS server IP addresses 153Adding destination-based routes to the routing table Adding a default routeTo add a default route Go to System Network Routing Table 154Adding routes in Transparent mode 155156 Configuring the routing tablePolicy routing 157 Configuring Dhcp servicesPolicy routing command syntax Adding a Dhcp server to an interface Configuring a Dhcp relay agentConfiguring a Dhcp server Adding scopes to a Dhcp server159 To add a scope to a Dhcp server Go to System Network Dhcp160 Adding a reserve IP to a Dhcp serverViewing a Dhcp server dynamic IP list Selected scope161 RIP configurationRIP settings Holddown 162Invalid FlushConfiguring RIP for FortiGate interfaces 163Example RIP configuration for an internal interface 164165 Adding RIP filtersAdding a RIP filter list To add a RIP filter list Go to System RIP Filter166 Assigning a RIP filter list to the neighbors filterAssigning a RIP filter list to the incoming filter Assigning a RIP filter list to the outgoing filter 167168 To set the date and time Go to System Config Time System configurationSetting system date and time 169Changing system options To set the system idle timeout Go to System Config OptionsTo set the Auth timeout Go to System Config Options 170Modifying the Dead Gateway Detection settings 171To add an administrator account Go to System Config Admin Adding and editing administrator accountsAdding new administrator accounts 172To edit an administrator account Go to System Config Admin Configuring SnmpEditing administrator accounts 173Configuring Snmp access to an interface Configuring the FortiGate unit for Snmp monitoringConfiguring FortiGate Snmp support Configuring Snmp community settingsSystem Location 175System Name FortiGate MIBs 176System traps FortiGate trapsGeneral FortiGate traps 177Antivirus traps VPN trapsNids traps Logging trapsFortinet MIB fields System configuration and statusFirewall configuration 179180 181 Replacement messagesLogging and reporting configuration Customizing replacement messages 182Alert email message sections Customizing alert emails183 184 Alert email message sectionsFirewall configuration 185Default firewall configuration 186Zones InterfacesVlan subinterfaces 187Addresses ServicesDefault addresses Interface Address Description Schedules189 Content profilesAdding firewall policies To add a firewall policy Go to Firewall Policy190 Firewall policy optionsSource Schedule ServiceDestination Action192 VPN TunnelTraffic Shaping Dynamic IP Pool Fixed Port193 AuthenticationAnti-Virus & Web filter Maximum Bandwidth Traffic Priority194 Log TrafficComments 195 Configuring policy listsPolicy matching in detail Disabling policies Changing the order of policies in a policy listEnabling and disabling policies Enabling policies197 AddressesAdding addresses To add an address Go to Firewall AddressTo edit an address Go to Firewall Address Editing addresses198 199 Deleting addressesOrganizing addresses into address groups To delete an address Go to Firewall Address200 ServicesPredefined services 201 GRE202 LdapAdding custom TCP and UDP services 203Grouping services Adding custom Icmp servicesAdding custom IP services 204Schedules 205Creating one-time schedules 206Creating recurring schedules 207208 Virtual IPsAdding schedules to policies To add a schedule to a policy Go to Firewall PolicyTo add a static NAT virtual IP Go to Firewall Virtual IP Adding static NAT virtual IPs209 Virtual IP External Interface examples Description InternalAdding port forwarding virtual IPs 210211 To add a policy with a virtual IP Go to Firewall Policy Adding policies with virtual IPs212 213 IP poolsAdding an IP pool To add an IP pool Go to Firewall IP PoolIP pools and dynamic NAT IP/MAC bindingIP Pools for firewall policies that use fixed ports 214215 Go to Firewall IP/MAC Binding Static IP/MACAdding IP/MAC addresses 216217 Viewing the dynamic IP/MAC listEnabling IP/MAC binding Content profiles 218To add a content profile Go to Firewall Content Profile Default content profilesAdding content profiles 219220 Oversized File/Email Pass Fragmented Email221 Adding content profiles to policiesTo add a content profile to a policy Go to Firewall Policy 222 Users and authentication 223Adding user names and configuring authentication Setting authentication timeoutAdding user names and configuring authentication To set authentication timeout Go to System Config OptionsDeleting user names from the internal database 225Deleting Radius servers Configuring Radius supportAdding Radius servers 226227 Configuring Ldap supportAdding Ldap servers To add an Ldap server Go to User LdapTo delete an Ldap server Go to User Ldap Deleting Ldap servers228 229 Configuring user groupsAdding user groups To add a user group Go to User User GroupTo delete a user group Go to User User Group Deleting user groups230 IPSec VPN 231AutoIKE with pre-shared keys Key managementManual Keys AutoIKE with certificatesAdding a manual key VPN tunnel General configuration steps for a manual key VPNManual key IPSec VPNs 233AES192 234AES128 AES256AutoIKE IPSec VPNs General configuration steps for an AutoIKE VPNAdding a phase 1 configuration for an AutoIKE VPN 235Remote Gateway Dialup User 236Remote Gateway Static IP Address 237 Configuring advanced optionsTo configure phase 1 advanced options 238 Adding a phase 1 configuration Standard options 239240 Adding a phase 2 configuration for an AutoIKE VPNTo add a phase 2 configuration Go to VPN Ipsec Phase Use wildcard selectors 241Use selectors from policy Generating the certificate request Managing digital certificatesObtaining a signed local certificate 242Key Size 243Key Type 244 Downloading the certificate requestImporting the signed local certificate Importing CA certificates Configuring encrypt policiesObtaining CA certificates 245To add a source address Go to Firewall Address Adding a source address246 247 Adding a destination addressAdding an encrypt policy To add a destination address Go to Firewall Address248 IPSec VPN concentrators 249250 VPN concentrator hub general configuration stepsTo create a VPN concentrator configuration Adding a VPN concentrator 251252 VPN spoke general configuration stepsTo create a VPN spoke configuration Redundant IPSec VPNs 253254 Configuring redundant IPSec VPNsTo configure a redundant IPSec VPN Viewing VPN tunnel status Monitoring and Troubleshooting VPNsTo view VPN tunnel status Go to VPN Ipsec Phase Viewing dialup VPN connection statusTesting a VPN 256257 Configuring PptpPptp and L2TP VPN To add users and user groups Configuring the FortiGate unit as a Pptp gateway258 To add a source addressTo add a destination address 259To add a source address group To add a firewall policyConfiguring a Windows 98 client for Pptp 260261 Configuring a Windows 2000 client for PptpConfiguring a Windows XP client for Pptp To connect to the Pptp VPNSelect Properties Security To configure the VPN connection262 263 Configuring L2TPConfiguring the FortiGate unit as an L2TP gateway 264 To add source addressesConfiguring a Windows 2000 client for L2TP 265To connect to the L2TP VPN To disable IPSec266 Configuring a Windows XP client for L2TP 267268 269 Network Intrusion Detection System NidsDetecting attacks Disabling monitoring interfaces Configuring checksum verificationSelecting the interfaces to monitor 270271 Viewing the signature listViewing attack descriptions 272 Disabling Nids attack signaturesAdding user-defined signatures Downloading the user-defined signature list 273Enabling Nids attack prevention To enable Nids attack prevention Go to Nids PreventionPreventing attacks Enabling Nids attack prevention signaturesSetting signature threshold values 275Reducing the number of Nids attack log and email messages Logging attacksLogging attack messages to the attack log Automatic message reductionManual message reduction 277278 279 General configuration stepsAntivirus protection To scan FortiGate firewall traffic for viruses Antivirus scanning280 File blocking 281282 Blocking files in firewall trafficAdding file patterns to block To block files in firewall trafficQuarantining blocked files QuarantineQuarantining infected files 283284 Viewing the quarantine listSorting the quarantine list To view the quarantine list Go to Anti-Virus QuarantineDeleting files from the quarantine list Configuring quarantine optionsFiltering the quarantine list Downloading quarantined files286 Configuring limits for oversized files and emailBlocking oversized files and emails Viewing the virus list To view the virus list Go to Anti-Virus Config Virus ListExempting fragmented email from blocking 287288 Web filtering 289Adding words and phrases to the Banned Word list Content blockingGo to Web Filter Content Block 290Clearing the Banned Word list 291292 Backing up the Banned Word listRestoring the Banned Word list Adding URLs to the Web URL block list Configuring FortiGate Web URL blockingURL blocking 293Clearing the Web URL block list 294295 Downloading the Web URL block listUploading a URL block list To upload a URL block list296 Configuring Cerberian URL filteringConfiguring FortiGate Web pattern blocking About the default group and policy Installing a Cerberian license keyConfiguring Cerberian web filter Adding a Cerberian user298 To configure Cerberian web filteringEnabling Cerberian URL filtering Selecting script filter options Script filteringEnabling script filtering 299300 Exempt URL listAdding URLs to the URL Exempt list Go to Web Filter URLExempt301 Downloading the URL Exempt ListUploading a URL Exempt List Go to Web Filter URL Exempt302 Email filter 303304 Email banned word listAdding words and phrases to the email banned word list 305 Downloading the email banned word listUploading the email banned word list Downloading the email block list Email block listAdding address patterns to the email block list 306307 Email exempt listUploading an email block list To upload the email block listAdding address patterns to the email exempt list To add a subject tag Go to Email Filter ConfigAdding a subject tag 308309 Logging and reportingRecording logs 310 Recording logs on a remote computerRecording logs on a NetIQ WebTrends server Overwrite Recording logs on the FortiGate hard disk311 Option312 Recording logs in system memoryLog message levels 313 To filter log entries Go to Log&Report Log SettingFiltering log messages Configuring traffic logging 314Enabling traffic logging for a Vlan subinterface Enabling traffic loggingEnabling traffic logging for an interface Enabling traffic logging for a firewall policy316 Configuring traffic filter settingsAdding traffic filter entries Resolve IPViewing logs Destination IP Address Destination Netmask ServiceViewing logs saved to memory 317318 Viewing and managing logs saved to the hard diskSearching logs Keyword319 To view the active or saved logs Go to Log&Report LoggingDeleting a saved log file Downloading a log file to the management computerDeleting all messages from an active log 320Adding alert email addresses Configuring alert emailTesting alert email 321Enabling alert email 322Glossary 323324 325 326 Index 327328 Index329 Dialup Pptp330 Http331 Ldap332 333 Pptp dialup connection334 335 TCP336 Vlan