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Editorial Team
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Asked: 2026-05-27T14:26:25+00:00

This is what I’ve got at the moment: $chunksize = 1024*4; $h = fopen($file,

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This is what I’ve got at the moment:

$chunksize = 1024*4;
$h = fopen($file, 'rb');
set_time_limit(600);
while(!feof($h)){
    echo fread($h, $chunksize);
    flush();
}
fclose($h);

I’ve tried increasing the chunk size, I’ve tried resetting the timeout with every iteration, I’ve tried setting the timeout to zero (it was originally 5min), I even tried putting the flush() outside the loop to let its own buffer take care of it, and every single time the download dies at exactly 5 minutes in. Sometimes it’s 50.2MB, sometimes it’s 54.8 or anything in between, so I know it’s not the file size. php_info() says the maximum time is 30seconds, so somehow I am able to increase it to 300 but that’s it.

Is there something in IIS (server 2003) that could be overriding it?

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1 Answer

  1. Editorial Team

    Ah, Microsoft MVPs. Whenever they say something’s impossible, you know it’s just a matter of digging.

    http://www.murraymoffatt.com/software-problem-0002.html

    I was able to give this one specific file an unlimited run time without affecting the rest of the site.

    EDIT:
    Looks like those articles are starting to disappear.

    Resetting FastCGI Timeout in IIS 5.0 (Win2K):

    • Start the IIS management console (Start => Settings => Control Panel =>
      Administrative Tools => Internet Services Manager).
    • In the tree on the left-hand side of the console you should see “Internet
      Information Services” at the very top, then below this the name of
      your computer. Right-click your computer name and select “Properties”.
    • Under “Master Properties” is a listbox; ensure that
      “WWW Service” is showing, then click the “Edit” button.
    • Click on the “Home Directory” tab.
    • Click on the “Configuration” button in the Application Settings area.
    • Click on the “Process Options” tab.
    • In the CGI Configurations area there is a “CGI script timeout” value
      specified in seconds. The default value is 300 seconds (5 minutes).
    • Change this value to whatever you would like your timeout to be.
    • Work your way out by clicking the “Ok” button on each window until you get
      right back to the IIS management console. Close the management
      console.
    • Restart IIS by opening a command prompt (Start => Programs
      => Accessories => Command Prompt) and type the command: iisreset

    IIS 5.1 (WinXP):

    • Open IIS.
    • Expand computer name.
    • Right-click on “Web Sites” and choose Properties.
    • Go to “Home Directory” tab.
    • Click the “Configuration” button, brings up another window.
    • Go to the “Process Options” tab.
    • Set as your heart desires.
    • Ok out.

    Here’s the instructions for IIS 6.0: http://www.iisadmin.co.uk/?p=7
    but the download link for MetaEdit is broken, so try here: http://support.microsoft.com/kb/301386

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