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Thread: Now I've seen it all...

  1. #1

    Now I've seen it all...


  2. #2

    Re: Now I've seen it all...

    http://uptime.netcraft.com/up/accuracy.html#os

    The reported operating system may be different to the one you expected because:

    The site is using a web proxy cache, such as Novell BorderManager FastCache, Inktomi Traffic Server or a server running the open source Squid software. In this situation we will be connecting to the reverse web proxy rather than the originating web server, so will detect the cache's O/S rather than the web server's.
    The site is using a server load balancing device (SLB) like Cisco LocalDirector, Resonate Central Dispatch, BIG/ip, Intel IPivot Intelligent Broker, IBM Network Dispatcher, ArrowPoint Content Smart or Alteon WebSystems ACEdirector. Some of these SLBs handle the TCP connection themselves, so we detect the SLB's operating system. Others use TCP/IP packet level Network Address Translation techniques, where we detect the operating system of one of the back-end web servers.
    The site is using a TCP connection-level proxy firewall, such as provided in the TIS Gauntlet, BorderWare, Raptor, CyberGuard or IBM SecureWay firewalls, or some other kind of HTTP level proxy. In these cases we will receive data from the intermediate machine rather than the web server, so detect the intermediate machine's operating system.
    The site load shares across multiple servers using different operating systems with round robin DNS. In such cases each query might detect a different operating system.
    The site has changed the default configuration of their TCP/IP stack, perhaps for performance reasons, or have an unusual LAN environment.
    We made a mistake. If you see an operating system & web server combination reported that you know to be wrong, please e-mail us or fill in our report form.

  3. #3

    Re: Now I've seen it all...

    from the faq :
    http://uptime.netcraft.com/up/accuracy.html#impossible

    Why do you report impossible operating system/server combinations ?

    Webservers that operate behind a caching system, load balancer,
    reverse proxy server or a firewall may sometimes report the operating
    system of the intermediate machine. Hence reports of 'Microsoft/IIS
    on Linux' may indicate that either the web server is behind a Linux
    server that is acting as a reverse proxy, or has configured the
    Akamai caching system such that the first request to the site goes
    to one of Akamai's servers [which run Linux], or as in the case of
    www.walmart.com has been configured to send a misleading signature.

  4. #4

    Re: Now I've seen it all...

    Damn you, I didn't read far enough in

    or as in the case of
    www.walmart.com has been configured to send a misleading signature.
    But which part is misleading? The part that says IIS or the part that says Linux?

  5. #5

    Re: Now I've seen it all...

    It was still funny though. Just the thought...

  6. #6
    Mentor coltrane's Avatar
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    Re: Now I've seen it all...

    i guess one could assume either or. If IIS is running on a webserver, but the proxy server is running Linux.......or if its a Linux webserver with a IIS proxy.

    Logically I would vote for the latter, but Ive never seen anything like that before.

  7. #7
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    Re: Now I've seen it all...

    can someone please explain to me what this means??

    The site www.walmart.com is running Microsoft-IIS/5.0 (WindowsNT) on Linux

  8. #8
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    stryder144's Avatar
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    Re: Now I've seen it all...


    can someone please explain to me what this means??

    The site www.walmart.com is running Microsoft-IIS/5.0 (WindowsNT) on Linux
    Read coltranes thoughts above. Maybe walmart wants the best of both worlds? Not! ;D

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