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Appendix B: Wireless Security
Security Threats Facing Wireless Networks

Wireless-N Gigabit Gaming Router

PSK. If you do not have a RADIUS server, Select the type of algorithm, TKIP or AES, and enter a password in
the Passphrase field of 8-63 characters.

RADIUS. WEP used in coordination with a RADIUS server. (This should only be used when a RADIUS server is
connected to the Router or other device.)

Implementing encryption may have a negative impact on your network’s performance, but if you are transmitting
sensitive data over your network, encryption should be used.

These security recommendations should help keep your mind at ease while you are enjoying the most flexible
and convenient technology Linksys has to offer.

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Содержание WRT330N - Wireless-N Gigabit Gaming Router Wireless

Страница 1: ...Model No Gigabit Gaming Router Wireless N WRT330N User Guide WIRELESS GHz 2 4...

Страница 2: ...s Also each figure diagram screenshot or other image is provided with a figure number and description like this Figure numbers and descriptions can also be found in the List of Figures section in the...

Страница 3: ...9 Overview 9 How to Access the Web based Utility 11 The SETUP Tab BASIC SETUP 12 The SETUP Tab Dynamic DNS 20 The SETUP Tab MAC ADDRESS CLONE 21 The SETUP Tab ADVANCED ROUTING 22 The WIRELESS Tab BASI...

Страница 4: ...ng 50 Common Problems and Solutions 50 Frequently Asked Questions 58 Appendix B Wireless Security 64 Security Precautions 64 Security Threats Facing Wireless Networks 64 Appendix C Upgrading Firmware...

Страница 5: ...9 Telstra Cable Internet Connection Type 18 Figure 5 10 Telstra Cable Network Address Server Settings DHCP 18 Figure 5 11 SETUP Tab DDNS DynDNS org 20 Figure 5 12 SETUP Tab DDNS tzo com 20 Figure 5 1...

Страница 6: ...N Tab FIRMWARE UPGRADE 44 Figure 5 38 STATUS Tab ROUTER 45 Figure 5 39 STATUS Tab LOCAL NETWORK 46 Figure 5 40 DHCP Client Table Routing Table 46 Figure 5 41 STATUS Tab WIRELESS NETWORK 47 Figure 5 42...

Страница 7: ...works are even used for playing multiplayer video games So networks are not only useful in homes and offices they can also be fun PCs on a wired network create a LAN or Local Area Network They are con...

Страница 8: ...ttings on the Wireless N Gigabit Gaming Router Appendix A Troubleshooting This appendix describes some problems and solutions as well as frequently asked questions regarding installation and use of th...

Страница 9: ...ions for the Router Appendix H Warranty Information This appendix supplies the warranty information for the Router Appendix I Regulatory Information This appendix supplies the regulatory information r...

Страница 10: ...t Gaming Router which serves as the main point of communications in a wireless network The Router transmits data to PCs equipped with wireless network adapters which can roam within a certain radial r...

Страница 11: ...ervers and bridges When you wish to connect your wireless network to your wired network you can use the Router s four local Ethernet ports To add more ports connect one of the Router s local ports to...

Страница 12: ...er to your wired PCs and other Ethernet network devices Reset Button There are two ways to reset the Router s factory defaults Either press the Reset button for approximately five seconds or restore t...

Страница 13: ...r that port The light will be orange when there is a 1000 Mbps gigabit connection INTERNET Green The INTERNET LED lights up when there is a connection through the Internet port WIRELESS Green The WIRE...

Страница 14: ...connect more PCs or other network devices to the Router 4 Power on the broadband modem 5 Connect the included power adapter to the Router s Power port and then plug the power adapter into an electric...

Страница 15: ...t connection settings provided by your Internet Service Provider ISP If you do not have this information you can call your ISP to request the settings When you have the setup information then you can...

Страница 16: ...e or disable IPSec L2TP and or PPTP Passthrough use this screen ACCESS RESTRICTIONS INTERNET ACCESS POLICY Create policies to control Internet access for your local network users APPLICATIONS GAMING S...

Страница 17: ...ireless network How to Access the Web based Utility To access the Web based Utility of the Router launch Internet Explorer or Netscape Navigator and enter the Router s default IP address 192 168 1 1 i...

Страница 18: ...check with your ISP to see if your broadband Internet service has been configured with a host and domain name In most cases leaving these fields blank will work MTU and Size The MTU Maximum Transmissi...

Страница 19: ...elect Enable you will need to select the correct Time Zone for your Router Time Zone Select the time zone in which your network functions If you want the Router to automatically adjust the clock for d...

Страница 20: ...on your network Unless you already have one it is highly recommended that you leave the Router enabled as a DHCP server DHCP is enabled by factory default If you already have a DHCP server on your net...

Страница 21: ...s idle If you select this option the Router will periodically check your Internet connection If the connection is down then the Router will automatically re establish the connection To use this option...

Страница 22: ...l provide you with at least one DNS Server IP Address You can enter up to three DNS Server IP Addresses here The Router will use these for quicker access to functioning DNS servers WINS The Windows In...

Страница 23: ...Otherwise enter the number of minutes you want to have elapsed before your Internet access disconnects Network Address Server Settings DHCP DHCP Server The Router can be used as a Dynamic Host Config...

Страница 24: ...is how the Internet translates domain or website names into Internet addresses or URLs Your ISP will provide you with at least one DNS Server IP Address You can enter up to three DNS Server IP Addres...

Страница 25: ...Number of DHCP Users Optional Enter the maximum number of PCs that you want the DHCP server to assign IP addresses to This number cannot be greater than 253 The default is 50 Client Lease Time The Cli...

Страница 26: ...the settings of the account you set up with DynDNS org System Select the DynDNS service you use Dynamic Static or Custom Internet IP Address The Router s Internet IP address is displayed here Because...

Страница 27: ...ning select Enable Otherwise keep the default Disable MAC Address Enter the MAC Address registered with your ISP ClonePC s MAC Address If you want to clone the MAC address of the PC you are currently...

Страница 28: ...ries Select the number of the static route from the drop down menu Enter Route Name Enter a name for the static route using a maximum of 25 alphanumeric characters Destination LAN IP The Destination L...

Страница 29: ...keep the default Wide 40MHz Channel For Wireless G and Wireless B networking only select Standard 20MHz Channel If you are not sure which radio band to select keep the default Auto Wide Channel If yo...

Страница 30: ...nal Encryption Select the algorithm you want to use TKIP or AES AES is a stronger encryption method than TKIP Pre shared Key Enter the key shared by the Router and your other network devices It must h...

Страница 31: ...en click SAVE SETTINGS to save the changes or click CANCEL CHANGES to clear all fields and start over PSK2 Enterprise This option features PSK2 used in coordination with a RADIUS server This should on...

Страница 32: ...40 64 bit 10 hex digits or 128 bit 26 hex digits Passphrase To automatically generate keys enter your passphrase Then click the Generate button Key 1 4 If you want to manually enter the WEP keys then...

Страница 33: ...strictions Prevent Click this button to block wireless access from the devices listed on this screen Permit Click this button to allow wireless access by the devices listed on this screen MAC Address...

Страница 34: ...Traffic Indication Message DTIM A DTIM field is a countdown field informing clients of the next window for listening to broadcast and multicast messages When the Router has buffered broadcast or mult...

Страница 35: ...automatically classify and prioritize all other types of wireless traffic If will give lower priority to traffic it detects as bulk i e printing email send receive etc and give higher priority to rea...

Страница 36: ...ly one device on the remote end enter the same IP address in the From and To field Host External Port Range Enter the port range of the device that will receive traffic on the remote end of the connec...

Страница 37: ...data packets entering your network Select Enable to use a firewall or Disable to disable it Block WAN Request Block WAN Requests When enabled this feature keeps your network from being pinged or dete...

Страница 38: ...e Point to Point PPP to be tunneled through an IP network To allow PPTP Passthrough click the Enable button To disable PPTP Passthrough click the Disable button L2TP Passthrough L2TP Layer 2 Tunneling...

Страница 39: ...Click this button to select which PCs will be affected by the policy The List of PCs screen will appear You can select a PC by MAC address or IP address You can also enter a range of IP addresses if...

Страница 40: ...button Application Name If the application you want to block is not listed or you want to edit a service s settings enter the application s name in the Application Name field Port Range For the named...

Страница 41: ...rt number used by the server or Internet application Check with the Internet application documentation for more information Internal Port Enter the internal port number used by the server or Internet...

Страница 42: ...l ports to one PC click the DMZ tab Port Range Forwarding To add an application complete the following fields Application Name Enter the name of the application Start End Port Enter the number or rang...

Страница 43: ...cation complete the following fields Application Name Enter the name of the application Triggered Range Enter the starting and ending port numbers of the triggered port range Check with the Internet a...

Страница 44: ...e DMZ hosting opens all the ports of one computer exposing the computer to the Internet Any PC whose port is being forwarded must have its DHCP client function disabled and should have a new static IP...

Страница 45: ...bled Automatic Uplink Speed this field will display the speed measured by the router Manual Uplink Speed If you have chosen not to enable Automatic Uplink Speed select your maximum uplink speed from t...

Страница 46: ...e device that will receive traffic on the remote end of the connection If there s only one device on the remote end enter the same IP address in the From and To field Remote Port Range Enter the port...

Страница 47: ...wireless access to the Router s Web based Utility You will only be able to access the Utility via a wired connection if you disable the setting Select Enabled to allow wireless access to the Utility...

Страница 48: ...Enabled if you want to allow manual changes to the Router while using the UPnP feature Otherwise keep the default setting Disabled Multicast Multicast Passthrough If you want to allow multicast passt...

Страница 49: ...c the local IP addresses destination URLs IP addresses and service port numbers for the outgoing Internet traffic Router Status will display the LAN DHCP server status information Log Details Click th...

Страница 50: ...est the packet size default is 32 bytes and how many times you wish to test it Then click the start test button The screen will then display the test results To stop the test before it is finished cli...

Страница 51: ...uter s settings and reset them to its factory defaults click the Restore Factory Defaults button Click on SAVE SETTINGS to confirm your choice Click on CANCEL CHANGES if you do not want to reset the R...

Страница 52: ...rmware Upgrade Please Select a File to Upgrade In the field provided enter the name of the extracted firmware upgrade file or click the Browse button to find this file After you have selected the appr...

Страница 53: ...cates the type of Internet connection you are using Internet IP Address The Router s Internet IP address is displayed here Subnet Mask The Router s Subnet Mask for DHCP and static IP connections is di...

Страница 54: ...r the range of IP addresses used by devices on your local network the beginning IP address is shown here End IP Address For the range of IP addresses used by devices on your local network the ending I...

Страница 55: ...interface is displayed here Mode Displayed here is the wireless mode Mixed Wireless N Only Wireless G Only Wireless B Only or Disabled used by the network SSID Network Name Displayed here is the name...

Страница 56: ...ddress on a PC You can assign a static IP address to a PC by performing the following steps For Windows 98SE and Me 1 Click Start Settings and Control Panel Double click Network 2 In The following net...

Страница 57: ...me you are running Windows XP with the default interface If you are using the Classic interface where the icons and menus look like previous Windows versions please follow the instructions for Windows...

Страница 58: ...iginal computer is not the cause of the problem If you do NOT get a reply there may be a problem with the connection Try the ping command from a different computer to verify that your original compute...

Страница 59: ...alled Follow these steps to set up port forwarding through the Router s web based utility We will be setting up web ftp and mail servers 1 Access the Router s web based utility by going to http 192 16...

Страница 60: ...that you want the port server to go to For example if the web server s Ethernet adapter IP address is 192 168 1 100 you would enter 100 in the field provided Check Appendix E Finding the MAC Address...

Страница 61: ...ing the Reset button for five seconds and then releasing it If you are still getting prompted for a password when saving settings then perform the following steps 1 Access the Router s web based utili...

Страница 62: ...the pdf s instructions Set a static IP address on the PC refer to Problem 2 I need to set a static IP address Use the following IP address settings for the computer you are using IP Address 192 168 1...

Страница 63: ...ing after this time the Router is not working properly Try to flash the firmware by assigning a static IP address to the computer and then upgrade the firmware Try using the following settings IP Addr...

Страница 64: ...wever the Internet connection speed will vary depending on the speed of your broadband connection The Router also supports 100Mbps over the auto sensing Fast Ethernet 10 100 switch on the LAN side of...

Страница 65: ...even if on the same LAN not a problem with 1 0 1 3 As far as hosting games the HL server does not need to be in the DMZ Just forward port 27015 to the local IP address of the server computer How can I...

Страница 66: ...eferences Advanced and Proxy Make sure that Netscape Navigator is set to Direct connection to the Internet What is DMZ Hosting Demilitarized Zone DMZ allows one IP address computer to be exposed to th...

Страница 67: ...tandard It is one of the IEEE standards for wireless networks The 802 11b standard allows wireless networking hardware from different manufacturers to communicate provided that the hardware complies w...

Страница 68: ...address Communications between end node and host computer can then be transmitted up and down the backbone As the user moves on the end node s RF transmitter regularly checks the system to determine w...

Страница 69: ...nlike IP addresses which can change every time a computer logs onto the network the MAC address of a device stays the same making it a valuable identifier for the network How do I reset the Router Pre...

Страница 70: ...rmance 7 Change the WEP encryption keys periodically Security Threats Facing Wireless Networks Wireless networks are easy to find Hackers know that in order to join a wireless network wireless network...

Страница 71: ...n MAC Addresses This makes it harder for a hacker to access your network with a random MAC Address WEP Encryption Wired Equivalent Privacy WEP is often looked upon as a cure all for wireless security...

Страница 72: ...WEP used in coordination with a RADIUS server This should only be used when a RADIUS server is connected to the Router or other device Implementing encryption may have a negative impact on your netwo...

Страница 73: ...the firmware from Linksys s website at www linksys com 2 Extract the firmware file on your computer 3 Open the Router s Web based Utility and click the ADMINISTRATION tab 4 Click the FIRMWARE UPGRADE...

Страница 74: ...ns or protocol all PCs follow to communicate over a network This is true for wireless networks as well Your PCs will not be able to utilize wireless networking without having TCP IP enabled Windows He...

Страница 75: ...in this appendix to find the adapter s MAC or IP address in Windows 2000 or XP Windows 2000 or XP Instructions 1 Click Start and Run In the Open field enter cmd Press the Enter key or click the OK but...

Страница 76: ...AC Address select the WIRELESS tab then select WIRELESS MAC FILTER Use this screen to Enable or Disable the Wireless MAC Filter Prevent or Permit access to the wireless network view the MAC Address Fi...

Страница 77: ...aming Router Mac Cloning To clone a PC s MAC Address select the SETUP thab then click on MAC ADDRESS CLONE You can Enable or Disable MAC Cloning and enter the MAC Address registered with your ISP to c...

Страница 78: ...e and cause it to start executing instructions Broadband An always on fast Internet connection Browser An application program that provides a way to look at and interact with all the information on th...

Страница 79: ...net IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium Firewall A set of related programs located at a network gateway server that prot...

Страница 80: ...orage and or transmission between users Packet A unit of data sent over a network Passphrase Used much like a password a passphrase simplifies the WEP encryption process by automatically generating th...

Страница 81: ...ork s name Static IP Address A fixed address assigned to a computer or device that is connected to a network Static Routing Forwarding data in a network via a fixed path Subnet Mask An address code th...

Страница 82: ...ress of a file located on the Internet VPN Virtual Private Network A security measure to protect data as it leaves one network and goes to another over the Internet WAN Wide Area Network The Internet...

Страница 83: ...Internet Ethernet Button Reset Cabling Type CAT 5e LEDs Power Internet Ethernet 1 4 Wireless Security of Antennas 3 RF Pwr EIRP in dBm 14 Antenna Gain in dBi 1 5 dBi UPnP able cert able Security Feat...

Страница 84: ...G Specifications Wireless N Gigabit Gaming Router Operating Temp 0 C to 50 C 32 F to 122 F Storage Temp 20 C to 75 C 4 F to 167 F Operating Humidity 10 to 85 Non Condensing Storage Humidity 5 to 95 No...

Страница 85: ...NS AND WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF NON INFRINGEMENT ARE DISCLAIMED Some jurisdictions do not allow limitations on how long an implied warranty lasts so the above limitation may not ap...

Страница 86: ...orrect the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment or devices Connect the equipment to an outlet...

Страница 87: ...ered by EU Directive 2002 96 EC on Waste Electric and Electronic Equipment WEEE This document contains important information for users with regards to the proper disposal and recycling of Linksys prod...

Страница 88: ...82 Appendix I Regulatory Information Wireless N Gigabit Gaming Router...

Страница 89: ...83 Appendix I Regulatory Information Wireless N Gigabit Gaming Router...

Страница 90: ...84 Appendix I Regulatory Information Wireless N Gigabit Gaming Router...

Страница 91: ...85 Appendix I Regulatory Information Wireless N Gigabit Gaming Router For more information visit www linksys com...

Страница 92: ...working with Linksys products Give our advice line a call at 800 546 5797 LINKSYS Or fax your request in to 949 823 3002 If you experience problems with any Linksys product you can call us at 800 859...

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