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Fortinet 50A user manual To set the system idle timeout Go to System Config Options

Models: 50A

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Changing system options	System configuration

9Select Apply.

Figure 1: Example date and time setting

Changing system options

On the System Config Options page, you can:

•Set the system idle timeout.

•Set the authentication timeout.

•Select the language for the web-base manager.

•Modify the dead gateway detection settings.

To set the system idle timeout

1Go to System > Config > Options.

2For Idle Timeout, type a number in minutes.

3Select Apply.

Idle Timeout controls the amount of inactive time that the web-based manager waits before requiring the administrator to log in again.

The default idle time out is 5 minutes. The maximum idle time out is 480 minutes (8 hours).

To set the Auth timeout

1Go to System > Config > Options.

2For Auth Timeout, type a number in minutes.

122	Fortinet Inc.

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Fortinet 50A user manual To set the system idle timeout Go to System Config Options

Contents

Installation and Configuration Guide FebruaryTrademarks Regulatory ComplianceTable of Contents Transparent mode installation Virus and attack definitions updates and registration Network configuration Firewall configuration 137 Users and authentication 171 Pptp and L2TP VPN 203 Antivirus protection 225 Glossary 259 Index 263 Contents Transparent mode NAT/Route mode and Transparent modeNAT/Route mode IntroductionDocument conventions Fortinet documentation Comments on Fortinet technical documentationCustomer service and technical support Getting started Package contents MountingEnvironmental specifications Powering onConnecting to the web-based manager To power on the FortiGate-50A unitConnecting to the command line interface CLI To connect to the web-based managerStop bits Flow control To connect to the CLIBits per second Data bits Parity Factory default FortiGate configuration settings Factory default Dhcp configurationFactory default firewall configuration Factory default NAT/Route mode network configurationFactory default Transparent mode network configuration Authentication Factory default firewall configuration RecurringService ContentStrict content profile Options Factory default content profilesStrict content profile Scan content profile Options Scan content profileWeb content profile Web content profile OptionsUnfiltered content profile Options Planning the FortiGate configurationUnfiltered content profile Configuration options Setup wizardCLI FortiGate model maximum values matrix Next steps Signatures Antivirus file Block patterns Web filterNext steps Getting started NAT/Route mode installation Internal servers Preparing to configure NAT/Route modeChanging the default configuration Starting the setup wizard Using the setup wizardAdvanced NAT/Route mode settings Reconnecting to the web-based managerConfiguring NAT/Route mode IP addresses Using the command line interfaceConfiguring the FortiGate unit to operate in NAT/Route mode ExampleInternal Connecting the FortiGate unit to your networksFortiGate-50A External Setting the date and time Configuring your networksCompleting the configuration Changing antivirus protectionConfiguring virus and attack definition updates Registering your FortiGate unitCompleting the configuration Transparent mode settings Administrator Password Transparent mode installationPreparing to configure Transparent mode DNS SettingsChanging to Transparent mode Go to System StatusConfiguring the Transparent mode management IP address Configure the Transparent mode default gatewayConnecting the FortiGate unit to your networks Go to Firewall Policy Int-Ext Enabling antivirus protectionRegistering your FortiGate Transparent mode configuration examples Default routes and static routesGeneral configuration steps Default route to an external networkGo to System Network Management Web-based manager example configuration stepsCLI configuration steps Go to System Network RoutingDMZ Set system route number 1 dst 24.102.233.5 255.255.255.0 gw1 Example static route to an internal destination Set system route number 1 dst 172.16.1.11 255.255.255.0 gw1 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 To test a new firmware image Restoring the previous configurationTesting a new firmware image before installing it Save as Default firmware/Run image without savingD/R To update the antivirus definitions manually Manual virus definition updatesManual attack definition updates To update the attack definitions manuallyDisplaying the FortiGate serial number Backing up system settingsRestoring system settings Displaying the FortiGate up timeTo change to Transparent mode Go to System Status Restoring system settings to factory defaultsChanging to Transparent mode Restarting the FortiGate unit Changing to NAT/Route modeTo change to NAT/Route mode Go to System Status Shutting down the FortiGate unitTo view CPU and memory status Go to System Status Monitor System statusViewing CPU and memory status Viewing sessions and network status CPU and memory status monitorViewing virus and intrusions status Sessions and network status monitorSession list To view the session list Go to System Status SessionProtocol Example session listSession list Virus and attack definitions updates and registration Updating antivirus and attack definitionsVersion 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 Enabling scheduled updates Scheduling updatesConfiguring update logging To configure update logging Go to Log&Report Log SettingTo add an override server Go to System Update Adding an override serverEnabling push updates Enabling scheduled updates through a proxy serverEnabling push updates through a NAT device Enabling push updatesPush updates when FortiGate IP addresses change To enable push updates Go to System UpdateExample push updates through a NAT device Example network topology Push updates through a NAT deviceGeneral procedure Adding a firewall policy for the port forwarding virtual IP To configure the FortiGate NAT deviceSchedule Always Service ANY Action Accept Example push update configuration Registering FortiGate unitsFortiCare Service Contracts Registering the FortiGate unit Recovering a lost Fortinet support password Updating registration informationViewing the list of registered FortiGate units Registering a new FortiGate unit Adding or changing a FortiCare Support Contract numberChanging your Fortinet support password Changing your contact information or security questionDownloading virus and attack definitions updates Downloading virus and attack definition updatesRegistering a FortiGate unit after an RMA Registering a FortiGate unit after an RMA Network configuration Configuring interfacesTo stop an interface that is administratively up Changing the administrative status of an interfaceConfiguring an interface with a manual IP address Viewing the interface listInitializing Configuring an interface for DhcpConnecting ConnectedConfiguring an interface for PPPoE Adding a secondary IP address to an interfaceControlling administrative access to an interface Adding a ping server to an interfaceConfiguring traffic logging for connections to an interface Changing the MTU size to improve network performanceConfiguring the management interface in Transparent mode Adding DNS server IP addresses Configuring routingAdding a default route 100Adding destination-based routes to the routing table 101102 Adding routes in Transparent modeConfiguring the routing table Policy routing 103Configuring a Dhcp relay agent Configuring Dhcp servicesPolicy routing command syntax 104Adding scopes to a Dhcp server Configuring a Dhcp serverAdding a Dhcp server to an interface 105Scope Name Adding a reserve IP to a Dhcp server106 IP Pool107 Configuring the modem interfaceViewing a Dhcp server dynamic IP list To configure modem settings Go to System Network Modem Connecting a modem to the FortiGate unitConfiguring modem settings 108109 Connecting to a dialup accountDisconnecting the modem To connect to a dialup account Go to System Network ModemTo configure backup mode Go to System Network Modem Backup mode configurationStandalone mode configuration Viewing modem status111 To operate in standalone mode Go to System Network ModemAdding firewall policies for modem connections 112 113 RIP configurationRIP settings Flush InvalidHolddown Configuring RIP for FortiGate interfaces 115116 117 Adding RIP filtersAdding a RIP filter list To add a RIP filter list Go to System RIP FilterAssigning a RIP filter list to the neighbors filter Assigning a RIP filter list to the incoming filterAssigning a RIP filter list to the outgoing filter 119120 To set the date and time Go to System Config Time System configurationSetting system date and time 121Changing system options To set the system idle timeout Go to System Config OptionsTo set the Auth timeout Go to System Config Options 122123 Adding and editing administrator accountsModifying the Dead Gateway Detection settings To add an administrator account Go to System Config Admin Adding new administrator accountsEditing administrator accounts 124125 Configuring SnmpTo edit an administrator account Go to System Config Admin Configuring Snmp access to an interface Configuring the FortiGate unit for Snmp monitoringConfiguring FortiGate Snmp support Configuring Snmp community settingsSystem Location 127System Name FortiGate MIBs 128System traps FortiGate trapsGeneral FortiGate traps 129130 Users and authentication configuration System configuration and statusFirewall configuration 131132 133 Replacement messagesCustomizing replacement messages Customizing alert emails 134135 Nids event136 Critical eventFirewall configuration 137138 Default firewall configurationAddresses Schedules ServicesContent profiles 139Adding firewall policies 140Action 141142 VPN TunnelTraffic Shaping Dynamic IP Pool Fixed Port143 AuthenticationAnti-Virus & Web filter Maximum Bandwidth Traffic PriorityComments Configuring policy listsLog Traffic 144145 Policy matching in detailChanging the order of policies in a policy list Disabling policies AddressesEnabling and disabling policies Enabling policiesTo add an address Go to Firewall Address Adding addresses147 Organizing addresses into address groups Editing addressesDeleting addresses 148149 ServicesPredefined services 150 GRE151 LdapAdding custom TCP and UDP services 152Grouping services Adding custom Icmp servicesAdding custom IP services 153Schedules 154155 Creating one-time schedulesCreating recurring schedules Adding schedules to policies 156To add a schedule to a policy Go to Firewall Policy Virtual IPs157 To add a static NAT virtual IP Go to Firewall Virtual IP Adding static NAT virtual IPs158 Virtual IP External Interface examples Description InternalAdding port forwarding virtual IPs 159160 Adding a port forwarding virtual IP161 IP poolsAdding policies with virtual IPs To add a policy with a virtual IP Go to Firewall PolicyIP pools and dynamic NAT Adding an IP poolIP Pools for firewall policies that use fixed ports 162Go to Firewall IP/MAC Binding Static IP/MAC IP/MAC binding163 Configuring IP/MAC binding for packets going to the firewall 164Enabling IP/MAC binding Adding IP/MAC addressesViewing the dynamic IP/MAC list 165Content profiles 166To add a content profile Go to Firewall Content Profile Default content profilesAdding content profiles 167168 Oversized File/Email Pass Fragmented Email169 Adding content profiles to policiesTo add a content profile to a policy Go to Firewall Policy 170 Users and authentication 171Adding 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 173Deleting Radius servers Configuring Radius supportAdding Radius servers 174175 Configuring Ldap supportAdding Ldap servers To add an Ldap server Go to User LdapTo delete an Ldap server Go to User Ldap Deleting Ldap servers176 177 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 groups178 IPSec VPN 179AutoIKE 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 181AES128 AutoIKE IPSec VPNs182 AES192To create an AutoIKE VPN configuration General configuration steps for an AutoIKE VPNAdding a phase 1 configuration for an AutoIKE VPN To add a phase 1 configuration Go to VPN Ipsec PhaseRemote Gateway Dialup User 184Remote Gateway Static IP Address 185 Configuring advanced optionsTo configure phase 1 advanced options 186 Adding a phase 1 configuration Standard options 187188 Adding a phase 2 configuration for an AutoIKE VPNTo add a phase 2 configuration Go to VPN Ipsec Phase Use wildcard selectors 189Use selectors from policy Generating the certificate request Managing digital certificatesObtaining a signed local certificate 190Key Size 191Key Type Obtaining CA certificates Downloading the certificate requestImporting the signed local certificate 192193 Configuring encrypt policiesImporting CA certificates 194 Adding a source addressAdding a destination address To add a source address Go to Firewall AddressTo add an encrypt policy Go to Firewall Policy Adding an encrypt policy195 IPSec VPN concentrators 196197 VPN concentrator hub general configuration stepsTo create a VPN concentrator configuration Source InternalAll Destination VPN spoke address Action Adding a VPN concentrator198 199 VPN spoke general configuration stepsTo create a VPN spoke configuration Policies 200VPN Tunnel Viewing VPN tunnel status Monitoring and Troubleshooting VPNsTo view VPN tunnel status Go to VPN Ipsec Phase Viewing dialup VPN connection statusTesting a VPN 202Pptp and L2TP VPN Configuring PptpConfiguring the FortiGate unit as a Pptp gateway 203204 To add a source addressTo add a destination address 205To add a source address group To add a firewall policyTo connect to the Pptp VPN Configuring a Windows 98 client for Pptp206 207 Configuring a Windows 2000 client for PptpConfiguring a Windows XP client for Pptp Select Properties Security To configure the VPN connection208 209 Configuring L2TPConfiguring the FortiGate unit as an L2TP gateway 210 To add source addressesConfiguring a Windows 2000 client for L2TP 211To connect to the L2TP VPN To disable IPSec212 Configuring a Windows XP client for L2TP 213214 215 Network Intrusion Detection System NidsDetecting attacks Disabling monitoring interfaces Configuring checksum verificationSelecting the interfaces to monitor 216217 Viewing the signature listViewing attack descriptions 218 Disabling Nids attack signaturesAdding user-defined signatures Downloading the user-defined signature list 219Enabling Nids attack prevention To enable Nids attack prevention Go to Nids PreventionPreventing attacks Enabling Nids attack prevention signaturesSetting signature threshold values 221Reducing the number of Nids attack log and email messages Logging attacksLogging attack messages to the attack log Automatic message reductionManual message reduction 223224 225 General configuration stepsAntivirus protection To scan FortiGate firewall traffic for viruses Antivirus scanning226 Adding file patterns to block File blockingBlocking files in firewall traffic 227Exempting fragmented email from blocking Configuring limits for oversized files and emailBlocking oversized files and emails 228229 To view the virus list Go to Anti-Virus Config Virus ListViewing the virus list 230 Web filtering 231Adding words and phrases to the Banned Word list Content blockingGo to Web Filter Content Block 232Restoring the Banned Word list Clearing the Banned Word listBacking up the Banned Word list 233234 Example Banned Word List text fileAdding URLs to the Web URL block list Configuring FortiGate Web URL blockingURL blocking 235Uploading a URL block list Clearing the Web URL block listDownloading the Web URL block list 236To upload a URL block list Configuring FortiGate Web pattern blocking237 Adding a Cerberian user Configuring Cerberian URL filteringInstalling a Cerberian license key 238To configure Cerberian web filtering Configuring Cerberian web filterAbout the default group and policy Enabling Cerberian URL filteringSelecting script filter options Script filteringEnabling script filtering 240241 Exempt URL listAdding URLs to the URL Exempt list Go to Web Filter URL Exempt242 Downloading the URL Exempt ListUploading a URL Exempt List 243 244 Email filter 245246 Email banned word listAdding words and phrases to the email banned word list 247 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 248249 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 250Recording logs on a remote computer Logging and reportingRecording logs 251Recording logs on a NetIQ WebTrends server 252Log message levels To filter log entries Go to Log&Report Log SettingFiltering log messages 253Configuring traffic logging 254Enabling traffic logging for an interface Configuring traffic filter settingsEnabling traffic logging Enabling traffic logging for a firewall policy256 Destination IP Address Destination Netmask ServiceAdding traffic filter entries 257 Configuring alert emailAdding alert email addresses To add a DNS server Go to System Network DNS258 Testing alert emailEnabling alert email Glossary 259260 261 262 Index 263264 Index265 DNS266 Http267 NAT268 269 RMA270 TCP271 VPN272