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I have a ZIP file hosted via Apache with Akamai as CDN, the problem is when trying to download it with IE (and just IE) it is damaged and I'm unable to open it.

Since the problem occurs in other computers in different locations I've discarded network settings (firewall, proxy, etc).

I don't even know where start to look? What would be a possible cause for this to happen?

UPDATE

I'm trying to solve the problem in the server (or CDN), I've verified it's not a client error

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  • How did you confirm that the original file was not damaged? Dec 21, 2009 at 20:49
  • I downloaded by SSH directly from the server and with Firefox it downloads fine Dec 21, 2009 at 20:57
  • What size is the file?
    – joeqwerty
    Dec 22, 2009 at 0:09
  • It's about 30MB Dec 22, 2009 at 1:05
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    Which version of IE? Have you tried doing a binary diff on what IE downloads vs. the original file?
    – Andrew
    May 20, 2010 at 6:36

1 Answer 1

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First thing I'd suggest is to try opening the "zip" file in notepad or your favorite plain text editor. You may find that IE has an HTML page instead of a zip file (you'll need to read the page to see why)

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  • Why is this a -? This has happened to me quite a few times, especially with incorrect content-type headers Dec 21, 2009 at 21:16
  • In fact, FireFox is actually a horrible offender of this, but the other way around. If the content-type is not set correct (or missing) it dumps a .html extension onto the end of the download, doesn't tell you about it, and then you're stumped as to why when you open your ZIP file you get a webpage full of gobbeldygook Dec 21, 2009 at 21:17
  • Thanks, the content-type is fine. I tried what you told me though Dec 21, 2009 at 21:31

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