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Chapter 2

Configuration

11

SubProduct

To create a new Internet Access policy:

Select a number from the 

1. 

Internet Access Policy

 drop-

down menu.
Enter a Policy Name in the 

2. 

Enter Policy Name

 field.

To enable this policy, click 

3. 

Enable

.

Click 

4. 

Edit List of PCs

 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  you  want  this  policy 
to affect a group of PCs. After making your changes, 
click 

Save Settings

 to apply your changes or 

Cancel 

Changes

 to cancel your changes.

Internet Access Policy > List of PCs

Click the appropriate option,

5. 

 Deny

 or 

Allow

, depending 

on whether you want to block or allow Internet access 
for the PCs you listed on the 

List of PCs

 screen.

Decide which days and what times you want this policy 

6. 

to be enforced. Select the individual days during which 
the  policy  will  be  in  effect,  or  select 

Everyday

. Then 

enter a range of hours and minutes during which the 
policy will be in effect, or select 

24 Hours

.

You  can  block  websites  with  specific  URL  addresses. 

7. 

Enter  each  URL  in  a  separate  field  next  to 

Website 

Blocking by URL Address

You can also block websites using specific keywords. 

8. 

Enter each keyword in a separate field next to 

Website 

Blocking by Keyword

.

You can filter access to various services accessed over 

9. 

the Internet, such as FTP or Telnet. (You can block up 
to two applications per policy.) Select a service from 
the drop-down menus next to 

Blocked Services

. If the 

service you want is not listed, click 

Add/Edit Service

 

to open the 

Port Services

 screen. The right side of this 

screen contains a list of services that you can choose.

Port Services

To add a new service to the list, enter the service’s name 
in the 

Service Name

 field, enter the service’s range in 

the 

Port Range

 fields, and select the service’s protocol 

from the 

Protocol

 drop-down menu. Then click 

Add

.

To  modify  a  service,  select  it  from  the  service  list. 
Change its name, port range, and/or protocol setting 
as needed. Then click 

Modify

.

To delete a service, select it from the service list. Then 
click 

Delete

.

Click 

Apply

 to apply the current settings. Click 

Close

 to 

close the 

Port Services

 screen and return to the 

Internet 

Access 

screen. Click 

Cancel

 to cancel your changes.

When finished making your changes to the 

Internet Access

 

screen, click 

Save Settings

 to save the changes, or click 

Cancel Changes

 to undo your changes.

The Applications & Gaming Tab > Single 

Port Forwarding

The 

Single  Port  Forwarding

  screen  provides  options  for 

customization of port services for common applications.

Applications & Gaming > Single Port Forwarding

When users send this type of request to your network via 
the Internet, the Gateway will forward those requests to 
the  appropriate  computer.  Any  computer  whose  port  is 
being  forwarded  should  have  its  DHCP  client  function 
disabled and should have a new static IP address assigned 
to it because its IP address may change when using the 
DHCP function.

Choose  or  enter  the  Application  in  the 

Application

  field. 

Then, enter the external and internal port numbers in the 

External  Port

  and 

Internal  Port

  fields.  Select  the  type  of 

protocol you wish to use for each application: TCP or UDP. 

Summary of Contents for LINKSYS AG241

Page 1: ...USER GUIDE ADSL2 Gateway with 4 Port Switch Model AG241 EU ...

Page 2: ... address or e mail address Online Resources Website addresses in this document are listed without http in front of the address because most current web browsers do not require it If you use an older web browser you may have to add http in front of the web address Resource Website Linksys www linksys com Linksys International www linksys com international Glossary www linksys com glossary Network S...

Page 3: ...gement 14 The Administration Tab Reporting 14 The Administration Tab Diagnostics 15 The Administration Tab Backup Restore 15 The Administration Tab Factory Defaults 15 The Administration Tab Firmware Upgrade 16 The Administration Tab Reboot 16 The Status Tab Gateway 16 The Status Tab Local Network 17 The Status Tab DSL Connection 17 Appendix A Troubleshooting 18 Appendix B Specifications 19 Append...

Page 4: ...witch at the heart of your home network you re connected to the future Front Panel Power Green The Power LED lights up when the Gateway is powered on Ethernet 1 4 Green The Ethernet LED lights up when the Gateway is connected to a device through the Ethernet port If the LED is blinking the Gateway is sending or receiving data over that port DSL Green The DSL LED lights up when there is a successfu...

Page 5: ...s Enter Internet Explorer Address Bar The login screen will ask you for your User name and Password Enter admin the default user name in the User Name field and enter admin the default password in the Password field Then click OK Login Screen Use the Utility to make changes as needed When you have finished making changes to a screen click Save Settings to save the changes or click Cancel Changes t...

Page 6: ...e if they use PPPoA If they do select this encapsulation type Bridged Mode Only Select this encapsulation if you are using your Gateway as a bridge which makes the Gateway act like a standalone modem Each Basic Setup screen and available features will differ depending on what type of encapsulation you select RFC 1483 Bridged Dynamic IP Dynamic IP IP Settings Select Obtain an IP Address Automatical...

Page 7: ...ion the Gateway will periodically check your Internet connection and automatically re establish your connection if you are not connected To use this option click the radio button next to this field and in the Redial Period field specify how often you want the Gateway to check the Internet connection The default Redial Period is 30 seconds RFC 2364 PPPoA RFC 2364 PPPoA PPPoA Settings User Name and ...

Page 8: ...the IP address for the DHCP server in the fields AutoDetect LAN DHCP Server This feature allows clients to automatically detect a DHCP server on your local network If you want to enable this feature click Enable Otherwise click Disable to disable this feature Starting IP Address Enter a value for the DHCP server to start with when issuing IP addresses This value must be 192 168 1 2 or greater beca...

Page 9: ... Domain Name Enter the e mail address TZO password key and domain name of the service you set up with TZO com Internet IP Address The Gateway s current Internet IP address is displayed here Because it is dynamic it will change Status The status of the DDNS service connection is displayed here When you have finished making changes to this screen click Save Settings to save the changes or click Canc...

Page 10: ...erface are displayed Click Refresh to update the information Click Close to return to the previous screen Advanced Routing Routing Table When you have finished making changes to this screen click Save Settings to save the changes or click Cancel Changes to undo your changes The SecurityTab Firewall The Firewall screen contains filters and an option to block WAN requests Filters block specific Inte...

Page 11: ...The Local Secure Group is the computer s on your LAN that can access the tunnel The Remote Secure Group is the computer s on the remote end of the tunnel that can access the tunnel These computers can be specified by a Subnet specific IP address or range Local Security Gateway Remote Security Gateway The Remote Security Gateway is the VPN device such as a second VPN Gateway on the remote end of th...

Page 12: ...Click Connect to connect your VPN tunnel Click View Logs to view system UPnP VPN firewall access or all logs Click Advanced Settings and the Advanced IPSec VPN Tunnel Setup screen will appear System Log When you have finished making changes to the Security VPN screen click Save Settings to save the changes or click Cancel Changes to undo your changes AdvancedVPNTunnel Setup From the Advanced IPSec...

Page 13: ...ected then the Gateway will automatically re establish your connection Check this box to block unauthorized IP addresses Enter in the field to specify how many times IKE must fail before blocking that unauthorized IP address Enter the length of time that you specify in seconds in the field When finished making your changes to this screen click Save Settings to save the changes or click Cancel Chan...

Page 14: ...rvices If the service you want is not listed click Add Edit Service to open the Port Services screen The right side of this screen contains a list of services that you can choose Port Services Toaddanewservicetothelist entertheservice sname in the Service Name field enter the service s range in the Port Range fields and select the service s protocol from the Protocol drop down menu Then click Add ...

Page 15: ...f protocol you wish to use for each application TCP UDP or Both IP Address Enter the IP address After you have entered all the information into the fields click Enable to enable port range forwarding for that application When you have finished making changes click Save Settings to save the changes or click Cancel Changes to undo your changes The Applications GamingTab Port Triggering Port Triggeri...

Page 16: ...iority trafficon this queue shares 18 of total bandwidth or Low priority traffic on this queue shares 1 of total bandwidth FTP File Transfer Protocol A protocol used to transfer files over a TCP IP network Internet UNIX etc For example HTML pages created for a website on a local machine are typically uploaded to a web server via FTP HTTP HyperText Transport Protocol This protocol s main function i...

Page 17: ...ay from somewhere else on the Internet Remote Management To enable Remote Management click Enabled Remote Username Remote Password and Re enter to confirm Complete these fields to specify the account that will be used for remote management Management Port Enter the port number you will use to remotely access the Gateway SNMP SNMP is a popular network monitoring and management protocol Device Name ...

Page 18: ...al LAN IP or an Internet WAN IP address Ping Size Enter the size of the ping packets Number of Pings Enter the number of times that you want to ping Ping Interval Enter the ping interval in milliseconds Ping Timeout Enter the time in milliseconds Ping Result The results of the ping test will be shown here Click Start Test to start the Ping test The results will be displayed in the Ping Result fiel...

Page 19: ...e Settings A dialog box will ask if you really want to reboot the device Click OK Click Cancel Changes if you want to undo your changes The StatusTab Gateway The Router screen displays information about your Gateway and its WAN Internet Connections Status Gateway Gateway Information Firmware Version This is the version number of the Gateway s current firmware MAC Address This is the Gateway s MAC ...

Page 20: ...P Clients Table to show the current DHCP Client data The DHCP Clients Table displays the MAC address computer name and IP address of the network clients using the DHCP server This data is stored in temporary memory and changes periodically To delete a client from the DHCP server select the client then click Delete Click Refresh to refresh the screen Click Close to close the screen DHCP Clients Tab...

Page 21: ... the following order Gateway PC I cannot access the web based utility after my computer goes into sleep mode Disconnect the power from the Gateway and reconnect it You should be able to access the web based utility once the Gateway has fully booted I need to modify the settings on my Gateway Open your web browser 1 Type the gateway s IP address into the address bar the 2 default IP address is 192 ...

Page 22: ...orts Power LINE ADSL Ethernet 1 4 Buttons One Reset Button One On Off Switch Cabling Type UTP CAT 5 or better Phone Cable POTS LEDs Power Ethernet 1 4 DSL Internet Environmental Dimensions 186 x 48 x 154 mm Weight 360 g Power External 12V DC 1A Certifications FCC Part 15B Class B FCC Part 68 UL 1950 CE Operating Temp 0 to 40ºC Storage Temp 20 to 70ºC Operating Humidity 10 to 85 noncondensing Stora...

Page 23: ...oduct or software is used will be free of vulnerability to intrusion or attack The product may include or be bundled with third party software or service offerings This limited warranty shall not apply to such third party software or service offerings This limited warranty does not guarantee any continued availability of a third party s service for which this product s use or operation may require...

Page 24: ...overed under this limited warranty will be subject to charge at Linksys then current rates Technical Support This limited warranty is neither a service nor a support contract Information about Linksys current technical support offerings and policies including any fees for support services can be found at www linksys com support General This limited warranty is governed by the laws of the jurisdict...

Page 25: ...ienced radio TV technician for assistance Safety Notices Caution To reduce the risk of fire use only No 26 AWG or larger telecommunication line cord Do not use this product near water for example in a wet basement or near a swimming pool Avoid using this product during an electrical storm There may be a remote risk of electric shock from lightning Industry Canada Statement This Class B digital app...

Page 26: ...směrnice 2002 96 ES zakazuje aby zařízení označené tímto symbolem na produktu anebo na obalu bylo likvidováno s netříděným komunálním odpadem Tento symbol udává že daný produkt musí být likvidován odděleně od běžného komunálního odpadu Odpovídáte za likvidaci tohoto produktu a dalších elektrických a elektronických zařízení prostřednictvím určených sběrných míst stanovených vládou nebo místními úřa...

Page 27: ...ο οποίο αγοράσατε το προϊόν Français French Informations environnementales pour les clients de l Union européenne La directive européenne 2002 96 CE exige que l équipement sur lequel est apposé ce symbole sur le produit et ou son emballage ne soit pas jeté avec les autres ordures ménagères Ce symbole indique que le produit doit être éliminé dans un circuit distinct de celui pour les déchets des mé...

Page 28: ...berendezéseinek felszámolásához további részletes információra van szüksége kérjük lépjen kapcsolatba a helyi hatóságokkal a hulladékfeldolgozási szolgálattal vagy azzal üzlettel ahol a terméket vásárolta Nederlands Dutch Milieu informatie voor klanten in de Europese Unie DeEuropeseRichtlijn2002 96 ECschrijftvoordatapparatuurdie is voorzien van dit symbool op het product of de verpakking nietmagwo...

Page 29: ...niť prípadným negatívnym dopadom na životné prostredie a zdravie ľudí Ak máte záujem o podrobnejšie informácie o likvidácii starého zariadenia obráťte sa prosím na miestne orgány organizácie zaoberajúce sa likvidáciou odpadov alebo obchod v ktorom ste si produkt zakúpili Slovenščina Slovene Okoljskeinformacijezastranke v Evropski uniji Evropska direktiva 2002 96 ES prepoveduje odlaganje opreme s t...

Page 30: ...SYS ASIA PTE LTD OR CISCO LINKSYS K K LINKSYS LICENSING THE SOFTWARE INSTEAD OF CISCO LINKSYS LLC BY DOWNLOADING OR INSTALLING THE SOFTWARE OR USING THE PRODUCT CONTAINING THE SOFTWARE YOU ARE CONSENTING TO BE BOUND BY THIS AGREEMENT IFYOU DO NOT AGREETO ALL OFTHESE TERMS THENYOU MAY NOT DOWNLOAD INSTALL OR USE THE SOFTWARE YOU MAY RETURN UNUSED SOFTWARE OR IF THE SOFTWARE IS SUPPLIED AS PART OF A...

Page 31: ...You fail to comply with any provision of this Agreement Limited Warranty The warranty terms and period specified in the applicable Linksys Product User Guide shall also apply to the Software Disclaimer of Liabilities IN NO EVENT WILL LINKSYS OR ITS SUPPLIERS BE LIABLE FOR ANY LOST DATA REVENUE OR PROFIT OR FOR SPECIAL INDIRECT CONSEQUENTIAL INCIDENTAL OR PUNITIVE DAMAGES REGARDLESS OF CAUSE INCLUD...

Page 32: ...ry To prevent this we have made it clear that any patent must be licensed for everyone s free use or not licensed at all The precise terms and conditions for copying distribution and modification follow TERMS AND CONDITIONS FOR COPYING DISTRIBUTION AND MODIFICATION This License applies to any program or other work 0 which contains a notice placed by the copyright holder saying it may be distribute...

Page 33: ...ms of Sections 1 and 2 above on a medium customarily used for software interchange or Accompany it with the information you received as c totheoffertodistributecorrespondingsourcecode This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer in accord with Subsection b above The source code for a work m...

Page 34: ... Such new versions will be similar in spirit to the present version but may differ in detail to address new problems or concerns Each version is given a distinguishing version number If the Program specifies a version number of this License which applies to it and any later version you have the option of following the terms and conditions either of that version or of any later version published by...

Page 35: ...y for the free library Also if the library is modified by someone else and passed on the recipients should know that what they have is not the original version so that the original author s reputation will not be affected by problems that might be introduced by others Finally software patents pose a constant threat to the existence of any free program We wish to make sure that a company cannot eff...

Page 36: ...es You may copy and distribute verbatim copies of the 1 Library s complete source code as you receive it in any medium provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty keep intact all the notices that refer to this License and to the absence of any warranty and distribute a copy of this License along with the Library ...

Page 37: ... Library because it contains portions of the Library rather than a work that uses the library The executableisthereforecoveredbythisLicense Section 6 states terms for distribution of such executables When a work that uses the Library uses material from a header file that is part of the Library the object code for the work may be a derivative work of the Library even though the source code is not W...

Page 38: ...copy modify sublicense link with or 8 distribute the Library except as expressly provided under this License Any attempt otherwise to copy modify sublicense link with or distribute the Library is void and will automatically terminate your rights underthisLicense However partieswhohavereceived copies or rights from you under this License will not have their licenses terminated so long as such parti...

Page 39: ...e generally NO WARRANTY BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE 15 THERE IS NO WARRANTY FOR THE LIBRARY TO THE EXTENT PERMITTED BY APPLICABLE LAW EXCEPT WHENOTHERWISESTATEDINWRITINGTHECOPYRIGHT HOLDERS AND OR OTHER PARTIES PROVIDE THE LIBRARY AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ...

Page 40: ... cryptographic software written by Eric Young eay cryptsoft com This product includes software written by Tim Hudson tjh cryptsoft com Original SSLeay License Copyright 1995 1998 EricYoung eay cryptsoft com All rights reserved This package is an SSL implementation written by Eric Young eay cryptsoft com The implementation was written so as to conform with Netscape s SSL This library is free for co...

Page 41: ...TION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANYWAY OUT OFTHE USE OFTHIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE Thelicenseanddistributiontermsforanypubliclyavailable version or derivative of this code cannot be changed i e this code cannot simply be copied and put under another distr...

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