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How do I isolate a computer from the internet when it is part of a network that does access it?

I have a Sitecom wireless router that claims to combine an ADSL 2+ modem, a router, an Ethernet switch and a wireless access point. I want to use this router to connect my computers to broadband and also allow them to share files with each other - this is the easy bit! I also want to connect my 9 year old computer to the network mainly to act as a print server. This may be difficult because my old computer (excellent though it is) can no longer support modern firewall / virus protection software. Can anyone tell me how to configure the Sitecom router so that my old computer can act as a print server and also be isolated from any malicious stuff coming from the internet?

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Re: How do I isolate a computer from the internet when it...

Your pc should still be able to run a anti virus programme, as i assume it's atleast windows 98se, so you can install a free excellent anti virus programme called AVG free, with free updates, see link below:- Your router will have wep WPA-PSK security and a built in firewall also, so it should be safe especially if it is win98se as this version is not a suseptable to viruses and trojans unlike XP. You can assign mac addresses in your router, this will only allow any inputed pc's mac addresses to access the router, you will need to input each individual pc's mac address into the router settings.

Posted on Sep 26, 2007

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I got a problem in connecting my samsung galaxy GT-7500 to sitecom extender 300N .. I have tried to change the IP address but it doesn't work with me . Any help plz?

Which modes are you trying to use this Sitecom? If you have the Sitecom as your Access Point (AP Mode), then you would need a LAN connection to your internet gateway (DSL, Cable Modem, etc). I didn't see any LAN hook up so I assume you are trying to use it as a wireless repeater. So you need to configure the unit differently. The 3rd mode is called Bridge mode. Again, you need to have a LAN hook up to your local network with a router or network switch.
Because your Tablet is connecting to the Sitecom okay, which mean that you either have the Sitecom setting for AP mode or Bridge mode. And the reason it didn't give you access to internet because there is no internet gateway connection to the Sitecom (LAN). I hope this answer your question (or confuse you totally).

Feb 15, 2013 | Routers

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Wifi works and all but keeps having my two phones put the password in every half and hour. I don't have the disc for it so can't really set it up just connected it to my charter modem.

Try this please:
  1. eHow
  2. Internet
  3. Wireless Internet & Network Hardware
  4. Netgear Wireless Routers
  5. How to Access Netgear Wireless Router Settings
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How to Access Netgear Wireless Router Settings Xno-user-image.gif Ryan Bauer

Ryan Bauer is a freelance writer located in Ozark, Missouri. He has written numerous articles and books, including "How to Improve Your Credit Score 100 Points in 100 Days." Bauer is an experienced automotive mechanic and computer technician.
By Ryan Bauer, eHow Contributor , last updated February 24, 2012

72955587_xs.jpg Wireless routers connect computers to a network without the need for network cables.

Wireless routers are used to connect computers into a network without running network cables throughout your home or office. Netgear wireless router settings must be changed using the router's Web-based interface. Any computer that is "hard wired" with a network cable to the router, rather than on a wireless connection, can be used to access the router. From the Settings menu, options such as "Encryptionicon1.png," "Network setup details" and "Passwords" can be customized.

Other People Are Reading

    • 1

      On a computer that is connected to the routericon1.png with a network cable, open any Web browser, such as Internet Explorer or Mozilla Firefox. In the address bar, type "" (without the quotes) and press "Enter." This will bring up the login prompt for most Netgear wireless routers. If that doesn't work, try "", "", or "" until the login window appears.

    • 2

      Type "admin" in the Username field, type "password" in the Password field and click "OK." If the password fails, try "1234," "Password" with a capital "P" or "admin". Once you enter the proper credentials, the settings screen will open.

    • 3

      Make any required changes to the settings. Under Security section, it is possible to specify a new username and password for added security. Once you have saved your changes, close the window, and the system will automatically log you out.

Read more: How to Access Netgear Wireless Router Settings '

Jan 04, 2013 | Routers

1 Answer

Connected to wifi but no internet connection

Wireless networks have become an increasingly popular way to access the Internet. Connecting to a wireless network allows you to browse the Internet without having to physically connect any cords to your computer.

Troubleshooting wireless connectivity can sometimes be confusing, because even if a wireless network is not able to bring you to any web pages, often your computer's wireless card will still connect to the wireless network that is being broadcast.

In other words, a wireless network will read "connected" even if it is not connected to the Internet.

Connect to a different wireless network. If there is an alternate wireless network within range of your computer that you legally are able to use (a free public Wi-Fi rather than your neighbor's wireless network, for instance), try connecting to it and browsing the Internet.

If the same issue occurs on the alternate wireless network, you may have an issue with your computer's wireless card or with your Internet browser.

If you are able to connect to the alternate network but still not able to connect to your own, the problem is most likely localized to the wireless network you use at home.

Reset all devices.

The great majority of Internet connection issues can be resolved by a simple reset of all the devices in your home network.

Locate the power cords of both your modem and your wireless router and unplug them (if you use a modem/router combination, simply unplug its power cord) for a full 30 seconds.

Plug them back in and restart your computer.

Try to connect to the Internet using your wireless network after your computer has booted back up.

If the connection still fails, some further troubleshooting is required.

Bypass your wireless router.

If your computer's wireless card is connecting to your wireless network of choice yet you are still not able to access any websites, there may be a connection issue on either your modem or router.

The easiest way to locate the problem is to temporarily eliminate the router from the network. Locate the Ethernet cable that connects your modem to your router and unplug it from the router.

Plug the cable directly into one of the Ethernet ports on your computer and reset the modem in the manner described above.

Now try your Internet connection again. If there is still no Internet access, the problem is most likely with your modem or your computer; contact the technical support department of your Internet service provider (ISP) for further assistance.

If the modem goes online directly connected, your router is causing the problem and may need to be reconfigured. Contact the router manufacturer for further assistance.

Hope this helps

Oct 24, 2012 | Cisco Linksys WRT54GX4 WirelessG Broadband...

1 Answer

I bought a ruiter sitecom to make a wireless

ou need to configure your router.
For that Connect your router to computer with ethernet cable then you can access it with following default link.
If you are not able to access it with above ip then check your computers ip address gateway ip is your router ip try with it.
Then it ask for user name and password.
Type user as "admin" and password as "admin" or "password" or blank.
Then you can see configuration page of router.
Click on WAN settings and set those settings as your internet service provider settings.
Enable DHCP if you want to get ip from router.
Clickon wireless settings enable wireless then enable WEP Security then add WEP code .It is your password to connect wi fi.Then save settings and restart router.
Then you can connect your wi fi network with that code.
Let me know if you need further assistance.
Thanks for using FixYa.

May 07, 2010 | Routers

1 Answer

Seemlessly joining two networks

try changing the subnet on N1 to or

Apr 24, 2010 | Routers

1 Answer

Sitecom WL-342 Wireless Router won't access internet.


Make sure there is a network cable going from your ADSL modem into the WAN connection of the router.

If the ADSL modem is wireless, then it is also a router in whihc case you will want to bypass the WL-342 all together.



Apr 01, 2010 | Routers

1 Answer

Cannot access wireless network using Sitecom 341N router - brand new - network showing up 100% strength but will not connect HELP please

If you have enabled wireless security on the router, make sure you are typing the correct network key. If you still can't connect, try to disable the wireless security first. If you don't know how to disable it, you may reset the router by presssing the reset button at the back for 30 seconds then unplug the power for another 30 seconds. You might as well disable any firewall on your computer like McAfee, Norton, Zone Alarm and the likes.

Sep 23, 2009 | Routers

1 Answer

Sitecom WL-330 range extender with dlink dir-615- unable to use

I am guessing you have XP or vista. here are the instructions for both.
XP 1. Click ‘Start’ button (it should be located at lower-left corner of your computer), then click control panel. Double-click Network and Dial-up Connections icon, double click Local Area Connection, and Local Area Connection Properties window will appear. Select ‘Internet Protocol (TCP/IP)’, then click ‘Properties’ 2. Select ‘Use the following IP address’, then input the following settings in respective field: IP address: Subnet Mask: Click ‘OK’ when finish.
Vista 1. Click the ‘Start’ button (it should be located at lower-left corner of your computer), then click control panel. Click View Network Status and Tasks, then click Manage Network Connections. Right-click Local Area Network, then select ‘Properties’. The Local Area Connection Properties window will appear, select ‘Internet Protocol Version 4 (TCP / IPv4)’, and then click ‘Properties’ 2. Select ‘Use the following IP address’, then input the following settings in respective field: IP address: Subnet Mask: Click ‘OK’ when finish.
Next step for both All functions and settings of this access point must be configured via the web management interface. Please start your web browser, and input ‘’ in the address bar, and press the ‘Enter’ key. The following dialog should be shown: Please input user name and password in the field respectively. The default user name is ‘admin’, and the default password is ‘admin’. Press the ‘OK’ button to see the web management interface of this access point: NOTE: If you can’t see the web management interface, and you’re being prompted to input user name and password again, it means you didn’t input username and password correctly. Please retype user name and password again. After you connected to the access point by web browser, the first thing you see is ‘Status and Information’ page. All system and network related information of this access point will be displayed here. The information is very helpful when you want to know the detailed information of your access point, and when you try to fix the communication problem between this access point and other wired / wireless computer / devices. You can click ‘Home’ on the left, This access point can be operated in different modes; you can click ‘Basic Setting’ to select an operating mode you want to meet for different needs: You can click ‘Mode’ dropdown menu to select operating mode, and there are 3 operating modes available: AP Access point mode, allows wireless clients to connect to access point and exchange data with the devices connected to the wired network. Station- Infrastructure Enable the Ethernet device such us TV and Game player connected to the access point to a wireless client. Universal Repeater This product can act as a wireless range extender that will help you to extend the networking wirelessly. The access point can act as Station and AP at the same time. It can use Station function to connect to a Root AP and use AP function to service all wireless clients within its coverage. You can hopefully figure it out from there.

Sep 13, 2009 | D-Link DIR-615 Wireless Router

1 Answer

Connecting wireless router to laptop computer

Try changing the channel on the router. It would be better to isolate the problem first by trying to connect to other wireless networks on your laptop or having someone's laptop connect to your home wireless network.

Sep 03, 2008 | Linksys WRT54GX2 Wireless-G Broadband...

1 Answer

Home wireless network

Most wireless1.gif networks are setup as infrastructure networks, meaning all communication is to/from a wireless access1.gif point/router that serves the same function as a switch/hub in a wired network as a central point to transfer communications from machine to machine. One works over the air the other through a wire.

There is an alternate form of wireless networking1.gif refered to as ad hoc -- in this version of wireless networking every wireless adapter1.gif can "talk" to any other wireless adapter configured with the same SSID (name) and security encryption (none, WEP, WPA). This is how somewhat less impromptu wireless networks are created similar to impromptu infrared networks some of us have used. One limitation of the ad hoc networks I have seen configured to date is access to the internet. I have posted an article where a stationary PC (required to be running for any other wireless machine to access the internet) with a wireless card in ad hoc mode could act as the router for wireless network but it required a cabled connection the internet. I suppose it could be a second wireless connection on a separate channel with a second wireless adapter in an infrastructure network but why? These types of networks are only recommended in another article for a limited (small) number of machines.

Based on this are you asking to create an ad hoc network to connect 2 PC's1.gif wirelessly without a wireless router1.gif or access to the internet from the wireless network (without a dedicated machine)?

Dec 19, 2007 | Linksys Wireless-G Broadband Router

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