Fortinet FortiWiFi FortiWiFi-50B Install Manual

www.fortinet.com

FortiWiFi-50B

FortiOS 3.0 MR6

INSTALL GUIDE

FortiWiFi-50B Install Guide

FortiOS 3.0 MR6

31 January 2008

01-30006-0445-20080131

publication including text, examples, diagrams or illustrations may be

reproduced, transmitted, or translated in any form or by any means,

electronic, mechanical, manual, optical or otherwise, for any purpose,

without prior written permission of Fortinet, Inc.

Trademarks

Fortinet, FortiGate and FortiGuard are registered trademarks and

Dynamic Threat Prevention System (DTPS), APSecure, FortiASIC,

FortiBIOS, FortiBridge, FortiClient, FortiGate, FortiGate Unified Threat

Management System, FortiGuard-Antispam, FortiGuard-Antivirus,

FortiGuard-Intrusion, FortiGuard-Web, FortiLog, FortiAnalyzer,

FortiManager, FortiOS, FortiPartner, FortiProtect, FortiReporter,

FortiResponse, FortiShield, and FortiVoIP, are trademarks of Fortinet, Inc.

in the United States and/or other countries. The names of actual

companies and products mentioned herein may be the trademarks of

their respective owners.

Regulatory compliance

FCC Class A Part 15 CSA/CUS

.

!Caution: Risk of Explosion if Battery is replaced by an Incorrect Type.

Dispose of Used Batteries According to the Instructions.

Contents

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Contents

Contents.............................................................................................. 1

Introduction ........................................................................................ 5

Register your FortiWiFi unit ............................................................................. 5

About the FortiWiFi-50B.................................................................................... 6

About this document......................................................................................... 6

Document conventions.................................................................................. 6

Typographic conventions .............................................................................. 7

Further Reading................................................................................................. 7

Fortinet Knowledge Center ........................................................................... 8

Comments on Fortinet technical documentation........................................... 8

Customer service and technical support ........................................................ 8

Installing ............................................................................................. 9

Environmental specifications........................................................................... 9

Cautions and warnings ................................................................................... 10

Grounding ................................................................................................... 10

Rack mount instructions.............................................................................. 10

Mounting ..................................................................................................... 10

Setting up a wireless network ........................................................................ 11

Radio Frequency interface .......................................................................... 12

Using multiple access points....................................................................... 12

Plugging in the FortiWiFi ................................................................................ 13

Connecting to the network .......................................................................... 13

Turning off the FortiWiFi unit ......................................................................... 13

Configuring....................................................................................... 15

NAT vs. Transparent mode............................................................................. 15

NAT mode ................................................................................................... 15

Transparent mode....................................................................................... 16

Connecting to the FortiWiFi unit .................................................................... 16

Connecting to the web-based manager ...................................................... 16

Connecting to the CLI ................................................................................. 17

Configuring NAT mode ................................................................................... 18

Using the web-based manager ................................................................... 18

Configure the interfaces........................................................................ 18

Configure a DNS server........................................................................ 19

Adding a default route and gateway ..................................................... 19

Adding firewall policies ......................................................................... 20

Using the CLI .............................................................................................. 21

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Contents

Configure the interfaces ....................................................................... 21

Configure a DNS server ....................................................................... 22

Adding a default route and gateway..................................................... 22

Adding firewall policies ......................................................................... 23

Configuring Transparent mode...................................................................... 23

Using the web-based manager ................................................................... 24

Switching to Transparent mode............................................................ 24

Configure a DNS server ....................................................................... 24

Adding firewall policies ......................................................................... 24

Using the CLI .............................................................................................. 25

Switching to Transparent mode............................................................ 25

Configure a DNS server ....................................................................... 26

Adding firewall policies ......................................................................... 26

Verify the configuration .................................................................................. 27

Backing up the configuration......................................................................... 27

Restoring a configuration............................................................................... 28

Additional configuration ................................................................................. 28

Set the time and date.................................................................................. 28

Set the Administrator password .................................................................. 28

Configure FortiGuard .................................................................................. 29

Updating antivirus and IPS signatures ................................................. 29

Advanced configuration.................................................................. 31

Protection profiles........................................................................................... 31

Firewall policies............................................................................................... 32

Configuring firewall policies ........................................................................ 33

Antivirus options............................................................................................. 33

AntiSpam options............................................................................................ 34

Web filtering..................................................................................................... 35

Logging ............................................................................................................ 36

Using a wireless network................................................................ 37

Setting up a wireless network........................................................................ 37

Positioning an access point ........................................................................ 38

Radio Frequency interface.......................................................................... 38

Using multiple access points....................................................................... 38

FortiWiFi operation modes............................................................................. 39

Access point mode...................................................................................... 39

Client mode................................................................................................. 40

Changing the operating mode .............................................................. 41

Contents

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Wireless Security............................................................................................. 41

Wireless Equivalent Privacy (WEP) ............................................................ 41

Wi-Fi Protected Access (WPA, WPA2) ....................................................... 42

Additional security measures ...................................................................... 42

MAC address filtering ........................................................................... 42

Service Set Identifier............................................................................. 43

Setting up the FortiWiFi unit as an access point.......................................... 43

Configure the DHCP settings ...................................................................... 43

Configure the wireless parameters ............................................................. 44

Configure the wireless interface.................................................................. 45

Configure the security options..................................................................... 45

Configure the firewall policies ..................................................................... 46

Configure the default gateway .................................................................... 47

Configure a DNS server .............................................................................. 47

Setting up the FortiWiFi unit as a client ........................................................ 47

Change to Client mode ............................................................................... 47

Configure the wireless settings ................................................................... 48

Configure the address and default gateway................................................ 48

Set the default gateway ........................................................................ 48

Configure the firewall policies ..................................................................... 48

FortiWiFi Firmware........................................................................... 51

Downloading firmware .................................................................................... 51

Using the web-based manager....................................................................... 51

Upgrading the firmware............................................................................... 51

Reverting to a previous version................................................................... 52

Backup and Restore from a USB key ......................................................... 53

Using the USB Auto-Install.......................................................................... 53

Using the CLI.................................................................................................... 54

Reverting to a previous version................................................................... 55

Installing firmware from a system reboot using the CLI.............................. 56

Restoring the previous configuration........................................................... 58

Backup and Restore from a USB key ......................................................... 58

Using the USB Auto-Install.......................................................................... 58

Additional CLI Commands for a USB key ................................................... 59

Testing new firmware before installing ......................................................... 59

Index.................................................................................................... 1

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Contents

Introduction Register your FortiWiFi unit

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Introduction

Welcome and thank you for selecting Fortinet products for your real-time network

protection.

The FortiWiFi Unified Threat Management System improves network security,

reduces network misuse and abuse, and helps you use communications

resources more efficiently without compromising the performance of your

network. The FortiWiFi Unified Threat Management System are ICSA-certified for

firewall, IPSec, and antivirus services.

The FortiWiFi Unified Threat Management Systemis a dedicated, easily managed

security device that delivers a full suite of capabilities, which include:

• application-level services such as virus protection and content filtering

• network-level services such as firewall, intrusion detection, VPN and traffic

shaping

The FortiWiFi Unified Threat Management System uses Fortinet’s Dynamic

Threat Prevention System (DTPS™) technology, which leverages breakthroughs

in chip design, networking, security and content analysis. The unique ASIC-based

architecture analyzes content and behavior in real-time, enabling key applications

to be deployed right at the network edge where they are most effective at

protecting your networks.

Register your FortiWiFi unit

Register the FortiWiFi unit by visiting http://support.fortinet.com and select

Product Registration.

To register, enter your contact information and the serial numbers of the FortiWiFi

units that you or your organization have purchased. You can register multiple

FortiWiFi units in a single session without re-entering your contact information.

By registering your FortiWiFi unit, you will receive updates to threat detection and

prevention databases (Antivirus, Intrusion Detection, etc.) and will also ensure

your access to technical support.

For more information, see the Fortinet Knowledge Centre article “Registration

Frequently Asked Questions” (http://kc.forticare.com/default.asp?id=2071).

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About the FortiWiFi-50B Introduction

About the FortiWiFi-50B

The FortiWiFi-50B adds wireless connectivity by providing standard 802.11 b/g

support. The FortiWiFi-50B can be powered by standard based Power Over

Ethernet (POE) devices to ease installation and deployment.

The FortiWiFi-50B is ideal for remote offices, wireless service providers, retail

stores, broadband telecommuter sites, and many other applications. The

FortiWiFi-50B provides complete real-time network protection for wired and

wireless users through a combination of antivirus, intrusion detection and

prevention, web and email content filtering, firewall and VPN services.

Figure 1: FortiWiFi-50B

About this document

This document explains how to install and configure your FortiWiFi unit onto your

network. This document also includes how to install and upgrade new firmware

versions on your FortiWiFi unit.

This document contains the following chapters:

•Installing – Describes setting up and powering on a FortiWiFi unit.

•Configuring – Provides an overview of the operating modes of the FortiWiFi

unit and how to integrate the FortiWiFi unit into your network.

•Advanced configuration – Describes additional configuration you can perform

on the FortiWiFi unit to enhance network protection, including antivirus,

antispam, firewall configuration and logging.

•Using a wireless network – Describes strategies for installing a wireless

device, and how to configure the FortiWiFi for a wireless network.

•FortiWiFi Firmware – Describes how to install, update, restore and test

firmware for the FortiWiFi device.

Document conventions

The following document conventions are used in this guide:

• In the examples, private IP addresses are used for both private and public IP

addresses.

• Notes and Cautions are used to provide important information:

WAN1 WAN2

POWER STATUS

INTERNAL

321

LINK / ACT

10/100

WLAN

(PoE)

Introduction Further Reading

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Typographic conventions

FortiWiFi documentation uses the following typographical conventions:

Further Reading

The most up-to-date publications and previous releases of Fortinet product

documentation are available from the Fortinet Technical Documentation web site

at http://docs.forticare.com.

The following FortiWiFi product documentation is available:

• FortiWiFi QuickStart Guide

Provides basic information about connecting and installing a FortiWiFi unit.

• FortiGate Administration Guide

Provides basic information about how to configure a FortiWiFi unit, including

how to define FortiWiFi protection profiles and firewall policies; how to apply

intrusion prevention, antivirus protection, web content filtering, and spam

filtering; and how to configure a VPN.

• FortiWiFi online help

Provides a context-sensitive and searchable version of the Administration

Guide in HTML format. You can access online help from the web-based

manager as you work.

• FortiGate CLI Reference

Describes how to use the FortiWiFi CLI and contains a reference to all

FortiWiFi CLI commands.

Note: Highlights useful additional information.

!Caution: Warns you about commands or procedures that could have unexpected or

undesirable results including loss of data or damage to equipment.

Convention Example

Keyboard input In the Gateway Name field, type a name for the remote VPN

peer or client (for example, Central_Office_1).

Code examples config sys global

set ips-open enable

end

CLI command syntax config firewall policy

edit id_integer

set http_retry_count <retry_integer>

set natip <address_ipv4mask>

end

Document names FortiGate Administration Guide

Menu commands Go to VPN > IPSEC > Phase 1 and select Create New.

Program output Welcome!

Variables <address_ipv4>

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Customer service and technical support Introduction

• FortiGate Log Message Reference

Available exclusively from the Fortinet Knowledge Center, the FortiGate Log

Message Reference describes the structure of FortiGate log messages and

provides information about the log messages that are generated by FortiWiFi

units.

• FortiGate High Availability User Guide

Contains in-depth information about the high availability feature and the

clustering protocol.

• FortiGate IPS User Guide

Describes how to configure the FortiWiFi Intrusion Prevention System settings

and how the FortiGate IPS deals with some common attacks.

• FortiGate IPSec VPN User Guide

Provides step-by-step instructions for configuring IPSec VPNs using the

web-based manager.

• FortiGate SSL VPN User Guide

Compares FortiGate IPSec VPN and FortiGate SSL VPN technology, and

describes how to configure web-only mode and tunnel-mode SSL VPN access

for remote users through the web-based manager.

• FortiGate PPTP VPN User Guide

Explains how to configure a PPTP VPN using the web-based manager.

• FortiGate Certificate Management User Guide

Contains procedures for managing digital certificates including generating

certificate requests, installing signed certificates, importing CA root certificates

and certificate revocation lists, and backing up and restoring installed

certificates and private keys.

• FortiGate VLANs and VDOMs User Guide

•Describes how to configure VLANs and VDOMS in both NAT/Route and

Transparent mode. Includes detailed examples.

Fortinet Knowledge Center

The Knowledge Center contains troubleshooting and how-to articles, FAQs,

technical notes, and more. Visit the Fortinet Knowledge Center at

http://kc.forticare.com.

Comments on Fortinet technical documentation

Please send information about any errors or omissions in this document, or any

Fortinet technical documentation, to [email protected].

Customer service and technical support

Fortinet Technical Support provides services designed to make sure that your

Fortinet systems install quickly, configure easily, and operate reliably in your

network.

Please visit the Fortinet Technical Support web site at http://support.fortinet.com

to learn about the technical support services that Fortinet provides.

Installing Environmental specifications

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Installing

This chapter describes installing your FortiWiFi unit in your server room,

environmental specifications and how to mount the FortiWiFi in a rack if

applicable.

This chapter contains the following topics:

•Environmental specifications

•Cautions and warnings

•Plugging in the FortiWiFi

•Turning off the FortiWiFi unit

Environmental specifications

• Operating temperature: 32 to 104°F (0 to 40°C)

If you install the FortiWiFi unit in a closed or multi-unit rack assembly, the

operating ambient temperature of the rack environment may be greater than

room ambient temperature. Therefore, make sure to install the equipment in

an environment compatible with the manufacturer's maximum rated ambient

temperature.

• Storage temperature: -13 to 158°F (-25 to 70°C)

• Humidity: 5 to 90% non-condensing

• Air flow - For rack installation, make sure that the amount of air flow required

for safe operation of the equipment is not compromised.

• For free-standing installation, make sure that the appliance has at least 1.5 in.

(3.75 cm) of clearance on each side to allow for adequate air flow and cooling.

This device complies with part FCC Class A, Part 15, UL/CUL, C Tick, CE

and VCCI. Operation is subject to the following two conditions:

• This device may not cause harmful interference, and

• This device must accept any interference received, including interference that

may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class B

digital device, pursuant to part 15 of the FCC Rules. These limits are designed to

provide reasonable protection against harmful interference in a residential

installation. This equipment generates, uses and can radiate radio frequency

energy and, if not installed and used in accordance with the instructions, may

cause harmful interference to radio communications. However, there is no

guarantee that interference will not occur in a particular installation. If this

equipment does cause harmful interference to radio or television reception, which

can be determined by turning the equipment off and on, the user is encouraged to

try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

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Cautions and warnings Installing

• Connect the equipment into an outlet on a circuit different from that to which

the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

The equipment compliance with FCC radiation exposure limit set forth for

uncontrolled Environment.

Cautions and warnings

Review the following cautions before installing your FortiWiFi unit.

Grounding

• Ensure the FortiWiFi unit is connected and properly grounded to a lightning

and surge protector. WAN or LAN connections that enter the premises from

outside the building should be connected to an Ethernet CAT5 (10/100 Mb/s)

surge protector.

• Shielded Twisted Pair (STP) Ethernet cables should be used whenever

possible rather than Unshielded Twisted Pair (UTP).

• Do not connect or disconnect cables during lightning activity to avoid damage

to the FortiWiFi unit or personal injury.

Rack mount instructions

Elevated Operating Ambient - If installed in a closed or multi-unit rack assembly,

the operating ambient temperature of the rack environment may be greater than

room ambient. Therefore, consideration should be given to installing the

equipment in an environment compatible with the maximum ambient temperature

(Tma) specified by the manufacturer.

Reduced Air Flow - Installation of the equipment in a rack should be such that

the amount of air flow required for safe operation of the equipment is not

compromised.

Mechanical Loading - Mounting of the equipment in the rack should be such that

a hazardous condition is not achieved due to uneven mechanical loading.

Circuit Overloading - Consideration should be given to the connection of the

equipment to the supply circuit and the effect that overloading of the circuits might

have on overcurrent protection and supply wiring. Appropriate consideration of

equipment nameplate ratings should be used when addressing this concern.

Reliable Earthing - Reliable earthing of rack-mounted equipment should be

maintained.

Particular attention should be given to supply connections other than direct

connections to the branch circuit (e.g. use of power strips).

Mounting

If required to fit into a rack unit, remove the rubber feet from the bottom of the

FortiWiFi unit.

Adhere the rubber feet included in the package to the underside of the FortiWiFi

unit, near the corners of the device.

Installing Setting up a wireless network

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Place the FortiWiFi unit on any flat, stable surface. Ensure the unit has at least 1.5

inches (3.75 cm) of clearance on each side to ensure adequate airflow for cooling.

Alternatively, you can use the mounting brackets to mount the FortiWiFi to a wall.

To attach the mounting brackets, place the bracket so that the flat portion is away

from the FortiWifi, and the bracket is supported by the bracket side bars. Use the

four screws supplied to attach the bracket to the FortiWiFi unit. Repeat for the

other bracket. See the illustration below for how the bracket is attached.

Figure 2: FortiWiFi with attached mounting bracket

To mount to the wall, measure where the holes in the brackets are on the wall, and

inser nails or screws. Hang the FortiWiFi on the nails or screws from the brackets.

Setting up a wireless network

When placing the FortiWiFi access point (AP), your main concern is providing a

strong signal to all users. A strong signal ensures a fast connection and the

efficient transfer of data. A weaker signal means a greater chance of data

transmission errors and the need to re-send information, slowing down data

transfer.

Consider the following guidelines when placing the FortiWiFi AP:

• Physical barriers can impede the radio signals. Solid objects such as walls,

furniture and people absorb radio waves, weakening the signal. Be aware of

the physical barriers in your office space that may reduce a signal. If there is

enough physical interference, you may encounter dead spots that receive no

signals.

• Ensure the FortiWiFi AP is located in a prominent location within a room for

maximum coverage, rather than in a corner.

• Construction materials used in a building can also weaken radio signals.

Rooms with walls of concrete or metal can affect the signal strength.

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Setting up a wireless network Installing

Radio Frequency interface

The 802.11b/g standard uses a frequency range of 2.4 to 2.483 GHz and the

802.11a standard transmit at 5 GHz. Radio frequency (RF) interference occurs

when other devices send RF signals during their normal operation that use the

same frequency as the FortiWiFi AP. Wireless devices such as cordless phones,

microwave ovens and Bluetooth devices can interfere with packet transmissions

on a wireless network.

To avoid RF interference:

• Remove these devices from the immediate area where users are working.

Something as simple as a Bluetooth enabled mouse may cause transmission

interruptions.

• Keep the FortiWiFi AP and wireless devices at least 10 feet away from

appliances such as microwave ovens and cordless phones.

• If you must have a cordless phone, select one that does not use the 2.4GHz

frequency range for b/g or 5GHZ frequency range for wireless a.

• Consider more FortiWiFi APs to help strengthen the signal. The weaker the

signal, the slower the transmission will be as it tries to compete against other

wireless devices.

• Set a channel that users and FortiWiFi APs will specifically use can improve

signal quality.

Using multiple access points

If you cannot avoid some of these impediments due to the shape of the office or

building materials used, you may need to use multiple FortiWiFi APs to help

distribute the radio signal around the room. Figure 3 shows how positioning two

FortiWiFi APs within a uniquely shaped office space helps to distribute signals

around the area.

Figure 3: Using multiple APs to provide a constant strong signal.

Elevator

Washrooms

Stairs

Installing Plugging in the FortiWiFi

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This sample office has washrooms, a stairwell and an elevator shaft in the center

of the building, making it impossible to use a single FortiWiFi AP effectively. The

elevator shaft and multiple metal stalls in the washrooms can cause signal

degradation. However, placing a FortiWiFi AP in opposite corners of the office

provides maximum coverage.

When using multiple APs, each FortiWiFi AP should be set to a different channel

to avoid interference in areas where signals from both FortiWiFi units can be

received.

Plugging in the FortiWiFi

Use the following steps to connect the power supply to the FortiGate unit.

To power on the FortiGate unit

1Connect the AC adapter to the power connection at the back of the FortiGate unit.

2Connect the AC adapter to the power cable.

3Connect the power cable to a power outlet.

The FortiGate unit starts and the Power and Status LEDs light up. The Status

LEDs flash while the FortiGate unit starts up, and remain lit when the system is

running.

Connecting to the network

Using the supplied Ethernet cable, connect one end of the cable to your router or

modem, whatever the connection is to the Internet. Connect the other end to the

FortiWiFi unit. Connect to either the External, WAN port, or port 1. Connect

additional cable to the Internal port or port 2 and your internal hub or switch.

Turning off the FortiWiFi unit

Always shut down the FortiWiFi operating system properly before turning off the

power switch to avoid potential hardware problems.

To power off the FortiWiFi unit

1From the web-based manager, go to System > Status.

2In the Unit Operation display, select Shutdown, or from the CLI enter:

execute shutdown

3Disconnect the power cables from the power supply.

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Turning off the FortiWiFi unit Installing

Configuring NAT vs. Transparent mode

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Configuring

This section provides an overview of the operating modes of the FortiWiFi unit,

NAT/Route and Transparent, and how to configure the FortiWiFi unit for each

mode. There are two ways you can configure the FortiWiFi unit, using the

web-based manager or the command line interface (CLI). This section will step

through using both methods. Use whichever you are most comfortable with.

This section includes the following topics:

•NAT vs. Transparent mode

•Connecting to the FortiWiFi unit

•Verify the configuration

•Backing up the configuration

•Additional configuration

NAT vs. Transparent mode

The FortiWiFi unit can run in two different modes, depending on your network

infrastructure and requirements. You have a choice between NAT/Route mode

and Transparent mode. Both include the same robust network security features

such as antispam, antivirus, VPN and firewall policies.

NAT mode

In NAT/Route mode, the FortiWiFi unit is visible to the network. Like a router, all its

interfaces are on different subnets.

In NAT mode, each port is on a different subnet, enabling you to have a single IP

address available to the public Internet. The FortiWiFi unit performs network

address translation before it sends and receives the packet to the destination

network.

In Route mode, there is no address translation.

Figure 4: FortiWiFi unit in NAT mode

You typically use NAT/Route mode when the FortiWiFi unit is operating as a

gateway between private and public networks. In this configuration, you would

create NAT mode firewall policies to control traffic flowing between the internal,

private network and the external, public network, usually the Internet.

Internet

Router

Internal network

192.168.1.20

192.168.1.99204.23.1.5

NAT mode policies controlling

traffic between internal

and external networks.

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Connecting to the FortiWiFi unit Configuring

Transparent mode

In Transparent mode, the FortiWiFi unit is invisible to the network. Similar to a

network bridge, all FortiGate interfaces must be on the same subnet. You only

have to configure a management IP address to make configuration changes. The

management IP address is also used for antivirus and attack definition updates.

Figure 5: FortiWiFi unit in Transparent mode

You typically use the FortiWiFi unit in Transparent mode on a private network

behind an existing firewall or behind a router. The FortiWiFi unit performs firewall

functions, IPSec VPN, virus scanning, IPS web filtering, and Spam filtering.

Connecting to the FortiWiFi unit

To configure, maintain and administer the FortiWiFi unit, you need to connect to it.

There are two methods for these tasks:

• using the web-based manger, a GUI interface using a current web browser

such as FireFox or Internet Explorer.

• using the command line interface (CLI), a command line interface similar to

DOS or UNIX commands using an SSH terminal or Telnet terminal.

Connecting to the web-based manager

To connect to the web-based manager, you require:

• a computer with an Ethernet connection

• Microsoft Internet Explorer version 6.0 or higher or any recent version of the

Fortinet FortiWiFi FortiWiFi-50B Install Manual

Fortinet FortiWiFi FortiWiFi-50B Install Manual

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