HttpHandlers / Modules :: If-Modified-Since Format Modification With A Handler Or Module?

Feb 6, 2010

The iPhone sends an HTTP GET request to my web application to recieve an update for an internet calendar. The iPhone does not conform to the RFC 822 Date Format for this request. It sends the If-Modified-Since as follows:

RFC 822 format - Sun, 06 Nov 1994 08:49:37 GMT
iPhone Format - Sun, 6 Nov 1994 08:49:37 GMT

I dont know much about handlers or modules. Is it possible to write a handler or module that could intercept this request and reformat the If-Modified-Since date format to the standard. Currently when IIS recieves this request it immediately sends back a 400 Error because of this invalid format.

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