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Editorial Team
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Asked: 2026-05-16T21:37:52+00:00

I’m try to post in a hidden input a base64 encoded image (~ 500KB)

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I’m try to post in a hidden input a base64 encoded image (~ 500KB) and all I get is an error

   501 Method Not Implemented

GET to /test.php not supported.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

my code

<?php error_reporting(E_ALL) ?>
<html>
<head></head>
<body>
<form action="<?php echo $_SERVER['PHP_SELF'] ?>" method="POST">
<input type="hidden" name="image" value="{base64 encoded image}">
<input type="submit" name="" value="OK">
</form>

<?php if($_POST) {
    echo '<pre>'.print_r($_POST, true).'</pre>';
} ?>

</body>
</html>

Ps. on localhost everything works fine.

Thanks for help.

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1 Answer

  1. Editorial Team

    This is probably due to security issues. Try this:

    To fix this, add this to your /etc/httpd/conf/httpd.conf, inside the block that starts with (the path of the root of your Apache directory tree):

    SecRuleEngine off

<Directory "/var/www/html">
    SecRuleEngine off
</Directory>

    /var/www/html is the DOCUMENT_ROOT of your site. Restart/reload apache.

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