"expectation failed" for webservice behind Content Caching Engine

Discussion in 'Cisco' started by KumarForG, Apr 6, 2004.

  1. KumarForG

    KumarForG Guest


    i have developed a webservice which is successfully invoked from
    behind a
    Microsoft ProxyServer
    CCProxy server
    NetApp Network Appliance Netcaches proxy

    the problem is that an attempt to invoking the webservice from behind
    "Cisco Content/Caching Engines, with Checkpoint FW. "
    gives out an "expectation failure" 417 error

    i gather that this error occurs when a HTTP Expect request to a
    server contains unsupported headers.

    the webservice and it's client application has been developed using
    Microsoft .Net.

    what could be the reason and solution for the above problem ?

    also, can how can i get a list of Expect headers that are supported
    "Cisco Content/Caching Engines, with Checkpoint FW."

    thanks in advance

    KumarForG, Apr 6, 2004
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