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Discovering wep key to add a new laptop to network

How do I discover again the wep key associated with our network so we can allow internet access for a new laptop? i know it has to do with typing in a series of 1.1. or something as the address. thanks

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Try logging in to your router e.i. 192.168.2.1. You'll need probably a password or try blank to get to security settings.

Posted on Mar 01, 2009

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Why does my laptop not connect to wireless abroad


If your laptop connects to wireless networks at home without any problems then there shouldn't be any issue with connecting to other networks when away from home.

In order to connect to a different network you would need to know both the network name (SSID) and the wireless access key (WEP or WPA) unless you are connecting to an 'Open' network.

With many 'Open' networks you would still normally have to open your web browser and visit the network provider website - this should happen automatically when you try to go to your home page. On the network provider page you may have to accept their terms & conditions or you may discover that the network is not free!

Jan 13, 2012 | Advent Modena M101

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No internet access


Disable all the firewalls on your computer, ensure that the wireless card on computer is on and is working fine. ensure you entered the right network key.

Oct 04, 2008 | NetGear RangeMax WPN824 Wireless Router...

1 Answer

I need a wep key for psp to get on the internet


The WEP key is generated BY the Router, you need to go into the Router and discover the WEP key, or simply generate a new one and use that... a WEP key can just be considered a numerical "Password" Check your manual about WEP/WAP Keys.

Feb 10, 2010 | Sony PlayStation Portable (PSP) Slim...

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I need to know my wep key or ssid codes, whats the difference? i need it to set up for my ps3 online


WEP (wired equivalent privacy)

The privacy protocol specified in IEEE 802.11 to provide wireless LAN users protection against casual eavesdropping. WEP refers to the intent to provide a privacy service to wireless LAN users similar to that provided by the physical security inherent in a wired LAN.


When WEP is active in a wireless LAN, each 802.11 packet is encrypted separately with an RC4 cipher stream generated by a 64-bit RC4 key. This key is composed of a 24-bit initialization vector (IV) and a 40-bit WEP key. The encrypted packet is generated with a bitwise exclusive OR (XOR) of the original packet and the RC4 stream. The IV is chosen by the sender and can be changed periodically so every packet won't be encrypted with the same cipher stream. The IV is sent in the clear with each packet. An additional 4-byte Integrity Check Value (ICV) is computed on the original packet and appended to the end. The ICV (be careful not to confuse this with the IV) is also encrypted with the RC4 cipher stream.

WEP has been widely criticized for a number of weaknesses:

Key management and key size
Key management is not specified in the WEP standard; without interoperable key management, keys will tend to be long-lived and of poor quality. Most wireless networks that use WEP have one single WEP key shared between every node on the network. Access points and client stations must be programmed with the same WEP key. Since synchronizing the change of keys is tedious and difficult, keys are seldom changed. Also, the 802.11 standard does not specify any WEP key sizes other than 40 bits. 

The IV is too small

WEP's IV size of 24 bits provides for 16,777,216 different RC4 cipher streams for a given WEP key, for any key size. Remember that the RC4 cipher stream is XOR-ed with the original packet to give the encrypted packet that is transmitted, and the IV is sent in the clear with each packet. The problem is IV reuse. If the RC4 cipher stream for a given IV is found, an attacker can decrypt subsequent packets that were encrypted with the same IV or can forge packets.

Weakness: The ICV algorithm is not appropriate
The WEP ICV is based on CRC-32, an algorithm for detecting noise and common errors in transmission. CRC-32 is an excellent checksum for detecting errors, but an awful choice for a cryptographic hash. Better-designed encryption systems use algorithms such as MD5 or SHA-1 for their ICVs. 

Authentication messages can be easily forged

SSID (Service Set IDentifier)
The SSID (Service Set IDentifier) is a token which identifies an 802.11 (Wi-Fi) network. 


The SSID is a secret key which is set by the network administrator.

You must know the SSID to join an 802.11 network. However, the SSID can be discovered by network sniffing. By default, the SSID is part of the packet header for every packet sent over the WLAN.
SSID Security Issues

The fact that the SSID is a secret key instead of a public key creates a key management problem for the network administrator. Every user of the network must configure the SSID into their system. If the network administrator seeks to lock a user out of the network, the administrator must change the SSID of the network, which will require reconfiguration of the SSID on every network node. Some 802.11 NICs allow you to configure several SSIDs at one time.
Default SSID's

Most 802.11 access point vendors allow the use of an SSID of "any" to enable an 802.11 NIC to connect to any 802.11 network. This is known to work with wireless equipment from Buffalo Technologies, Cisco, D-Link, Enterasys, Intermec, Lucent, and Proxim. Other default SSID's include "tsunami", "101", "RoamAbout Default Network Name", "Default SSID", and "Compaq".
Disabling SSID Broadcasting

Many Wireless Access Point (WAP) vendors have added a configuration option which lets you disable broadcasting of the SSID. This adds little security because it is only able to prevent the SSID from being broadcast with Probe Request and Beacon frames. The SSID must be broadcast with Probe Response frames. In addition, the wireless access cards will broadcast the SSID in their Association and Reassociation frames. Because of this, the SSID cannot be considered a valid security tool.
An SSID by any other name

The SSID is also referred to as the ESSID (Extended Service Set IDentifier).


Airsnort, Aircrack 2.1, Cain & Abel are some of the wireless packet sniffing tools which can decode the authorization key.

Dec 23, 2009 | D-Link ADSL2/2+ Modem/Wireless Router...

1 Answer

Cannot connect apple touch ipod to my bt broadband think


go into your settings and wifi
click on your network and delete your passcode and enter your wep key which is on your wireless router.
look at the label and find the wep key.

if this doesn;t work, delete your wireless association completely and add it again as a new wireless.
your passcode for wireless is not your phone passcode it is strictly to allow entry into the wireless network,

Jun 03, 2009 | Apple iPod touch

1 Answer

No wireless


You need to be a little clear on the spec of the laptop, operating system and the wireless router whether the PC is connected wirelessly or directly with a Ethernet cable. (sorry if this is embedded elsewhere - new to this forum).

If you are using a WEP key remove it temporarily and allow the laptop to find the network then see it if connects. There can sometimes be problems with the WEP key association / firmware of the router.

Also ensure that MAC Address filtering is turned off while trying to connect. Some laptops also have a wireless switch - ensure this is activated (sometimes a dedicated button, function key combo or even deactivated in the BIOS) There are so many things that need to be checked.

Dec 27, 2008 | Linksys (WI-FI LAPTOP KIT) 802.11b...

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We recently enstalled a Wireless-G Broadband Router (WRT54G2). Everything is fine trying to go from Desktop to Toshiba Laptop. I am on Comcast and can't get on line with the laptop. Our laptop keeps...


6. Once the Wireless Network Connection Properties window is open you will have two options depending on how you set up your laptop.
· If you do not see any networks listed in Preferred or Available networks, you will have to manually add the SSID. Click on Add. You will have to enter the SSID and WEP key (if required). Click OK and you should then see the network you just added in the Available networks box.

· If you see the correct SSID showing in the Available Networks, then you need to click on Configure in order to enter the WEP key if that is required.


2. In the next window, enter the SSID for the Wi-Fi network you want to access. Make sure you do not have CAPS lock or NUM lock while entering the information. If a network key is required, click on "Data Encryption and then enter the Network key you have been provided with. Again make sure you do not have CAPS or NUM lock on. Click OK when entered. If you have entered the key incorrectly a message will pop up and you will need to re-enter the key.

3. Next go to Start - and where it says Connect To click on that and you should see choices like in the graphic below. Click on Wireless Network Connection and it should work.


There are occasions when the connection doesn't work, in these cases check your firewall software and make sure it allows you to connect to the Wi-Fi network. To check this, disable your firewall software and check the connection again. If you can connect with the firewall program disabled, you change your settings. If your firewall program is not the problem check the SSID and WEP key information that you entered. Both of these are case sensitive. If you had obtained SSID information from the Internet, check with someone in the establishment to see if the SSID has been changed.

Jul 23, 2008 | Computers & Internet

1 Answer

Wireless internet network


hi dear

try this

  1. Before you attempt to use any Wi-Fi network, find out what the SSID, Channel, Mode and WEP key are. Some Wi-Fi locations do not require a WEP key. Many Wi-Fi providers have this information on their web site or when you purchase access you will be provided the information.
  2. Ensure you have a firewall program installed and running. This will protect your data.
  3. Start up your laptop and once booted, look for the Wi-Fi network icon in the bottom right of the screen.
  4. Click on the Wifi Connection icon on bottom right of screen and you should see a window that indicates connection, strength and duration. Click on the Properties tab.

  5. wirelessnetworkscreenbl.jpg

  6. The next window will show the type of networking card installed. Click on the Wireless Networks tab.

  7. 02ee437.jpg

  8. Once the Wireless Network Connection Properties window is open you will have two options depending on how you set up your laptop.
    • If you do not see any networks listed in Preferred or Available networks, you will have to manually add the SSID. Click on Add. You will have to enter the SSID and WEP key (if required). Click OK and you should then see the network you just added in the Available networks box.

    • 4d25eb5.jpg

    • If you see the correct SSID showing in the Available Networks, then you need to click on Configure in order to enter the WEP key if that is required.

    92752af.jpg

  9. In the next window, enter the SSID for the Wi-Fi network you want to access. Make sure you do not have CAPS lock or NUM lock while entering the information. If a network key is required, click on "Data Encryption and then enter the Network key you have been provided with. Again make sure you do not have CAPS or NUM lock on. Click OK when entered. If you have entered the key incorrectly a message will pop up and you will need to re-enter the key.

  10. fccfda9.jpg

  11. Next go to Start - and where it says Connect To click on that and you should see choices like in the graphic below. Click on Wireless Network Connection and it should work.

34b0a7b.jpg

There are occasions when the connection doesn't work, in these cases check your firewall software and make sure it allows you to connect to the Wi-Fi network. To check this, disable your firewall software and check the connection again. If you can connect with the firewall program disabled, you change your settings. If your firewall program is not the problem check the SSID and WEP key information that you entered. Both of these are case sensitive. If you had obtained SSID information from the Internet, check with someone in the establishment to see if the SSID has been changed.

oke post in me back

i hope this usefull for you


thanks


cropp

Jun 28, 2008 | Intel Computers & Internet

2 Answers

Home networking


hi dear

try this

  1. Before you attempt to use any Wi-Fi network, find out what the SSID, Channel, Mode and WEP key are. Some Wi-Fi locations do not require a WEP key. Many Wi-Fi providers have this information on their web site or when you purchase access you will be provided the information.
  2. Ensure you have a firewall program installed and running. This will protect your data.
  3. Start up your laptop and once booted, look for the Wi-Fi network icon in the bottom right of the screen.
  4. Click on the Wifi Connection icon on bottom right of screen and you should see a window that indicates connection, strength and duration. Click on the Properties tab.

  5. wirelessnetworkscreenbl.jpg

  6. The next window will show the type of networking card installed. Click on the Wireless Networks tab.

  7. 02ee437.jpg

  8. Once the Wireless Network Connection Properties window is open you will have two options depending on how you set up your laptop.
    • If you do not see any networks listed in Preferred or Available networks, you will have to manually add the SSID. Click on Add. You will have to enter the SSID and WEP key (if required). Click OK and you should then see the network you just added in the Available networks box.

    • 4d25eb5.jpg

    • If you see the correct SSID showing in the Available Networks, then you need to click on Configure in order to enter the WEP key if that is required.

    92752af.jpg

  9. In the next window, enter the SSID for the Wi-Fi network you want to access. Make sure you do not have CAPS lock or NUM lock while entering the information. If a network key is required, click on "Data Encryption and then enter the Network key you have been provided with. Again make sure you do not have CAPS or NUM lock on. Click OK when entered. If you have entered the key incorrectly a message will pop up and you will need to re-enter the key.

  10. fccfda9.jpg

  11. Next go to Start - and where it says Connect To click on that and you should see choices like in the graphic below. Click on Wireless Network Connection and it should work.

34b0a7b.jpg

There are occasions when the connection doesn't work, in these cases check your firewall software and make sure it allows you to connect to the Wi-Fi network. To check this, disable your firewall software and check the connection again. If you can connect with the firewall program disabled, you change your settings. If your firewall program is not the problem check the SSID and WEP key information that you entered. Both of these are case sensitive. If you had obtained SSID information from the Internet, check with someone in the establishment to see if the SSID has been changed.

oke post in me back

i hope this usefull for you


thanks


cropp

Jun 20, 2008 | Computers & Internet

1 Answer

Internet access with wireless


Hi,

Assuming that your laptop has a built-in WiFi Networking card (or even a USB or PCMCIA WiFi adapter), normally its a matter of setting your Network configuration to "Auto obtain IP address automatically". This could be done in your Control Panel/Networking Connections, right click on your wireless Networking, click on Properties, highlight Internet protocol (TCP/IP), click on the Properties button and tick "Obtain...".

In some instances you might need to key in the WEP or WPA security key if it has been enabled and set in your WiFi router, though it has been known to slow down connections. If on the otherhand the router has its MAC filter enabled, then you would need to add your laptop's WiFi MAC numbers to the list that the router would allow access to.

Should the above be not corrective of your concern, pls post back with the make & model of your router, laptop, and the WiFi adapter if external/add-on. Knowing your Operating System would also help.

Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Apr 09, 2008 | Computers & Internet

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