Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.

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Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.











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Dos and don'ts for your wireless LAN

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Network World, 03/25/02

Location, location, location

  • Do perform extensive site surveys before deploying access points.

  • Don't forget to routinely check access point locations to see if any alteration in the surrounding environment will interrupt connectivity.

    Less is more

  • Do limit the number of protocols used. Sticking to TCP/IP will reduce chances of clogging the wireless LAN.

  • Don't deploy high-volume, bandwidth-hogging applications.

    Keep it simple

  • Do design an intuitive and simple user interface to help users acclimate.

  • Don't try to meet all user whims. Keep the wireless LAN as simple as possible.

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    Security smarts

  • Do employ user identification/password, encryption, authentication and other security measures. Firewalls and VPNs are options for smaller wireless LANs.

  • Don't trust the out-of-the-box security vendors offer.

    Standard issue

  • Do standardize access devices to ensure applications will work across laptops, PDAs and other handhelds.

  • Don't assume users will always respect corporate rules regarding the wireless LAN. Performing constant network discoveries may uncover unauthorized devices.

    - Denise Dubie, April Jacobs and Kathleen Ohlson

    Related links

    Contact Staff Writer Denise Dubie

    Other recent articles by Dubie

    Contact Senior Editor April Jacobs

    Other recent articles by Jacobs

    Wi-Fi world
    Wireless LAN services are popping up in so-called "hot spots" across the country - airports, hotels, restaurants, cafés and convention centers.

    Wi-Fi guide
    Wi-Fi wireless LANs are deceptively easy to install. In fact, you might already have some. The simplicity, however, masks an array of critical issues.

    Wi-Fi spies
    New authentication and encryption techniques will protect wireless LANs from drive-by hackers.

    Breaking news

    Wireless LAN breaking news page
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    Newsletters


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    Research

    Wireless research page
    Almost everything you want to know about wireless trends and technologies, including wireless LANs, mobile and fixed wireless and more.

    Wireless LAN research page
    Learn about WLAN security and the differences between the different varities of 802.11, Bluetooth, HiperLAN and others.

    Reviews

    Putting 802.11b to the test
    Cisco's Aironet access point knocks us out in the 802.11b arena, but others aren't far behind.
    Network World, 02/05/01.

    Bring in the (802.11) A team
    The first look at high-speed (5GHz) wireless LAN products.
    Network World, 01/28/02.

    Building wireless apps just got easier
    The best tool for giving mobile workers wireless access to a vertical market application is iConverse's Mobile Studio and Interaction Server.
    Network World, 06/25/01.

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