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From "Stevens, Julian C" <>
Subject File Corruption during HTTP Upload
Date Thu, 07 Mar 2002 11:36:20 GMT
I am running PHP 4.1.1 with Apache 1.3.20 on Windows NT, and have recently 
started observing a bizarre file corruption effect.
I first noticed this when transferring an RTF file with an embedded image. On 
arriving at the web server, the image disappeared and, after examining the 
file I found 4 very small differences - the file size was not altered at all.

Now I have found that zip files are becoming corrupted in transit. A perfectly 
good zip file appears on the webserver with various CRC errors!

I'm using a simple http form to upload the files, and the problem only seems 
to occurr if the files are fairly large (typically 2Mb or more).
However, I need to be able to transfer much larger files than these (intranet 

Please can anyone suggest where this apparent corruption could be coming from.

P.S. I have just noticed that the version of Netscape that we are obliged to 
use at present (4.74) is sending requests for HTTP 1.0 and not HTTP 1.1.
Could this be related to my problem and why would it not request HTTP1.1?


Julian Stevens

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