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Bug #18317 Checking of the "last modified" string broken
Submitted: 2002-07-12 11:55 UTC Modified: 2002-08-14 17:39 UTC
From: shannon at designcurve dot net Assigned:
Status: Not a bug Package: Website problem
PHP Version: 4.2.1 OS: NA
Private report: No CVE-ID: None
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From: shannon at designcurve dot net
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 [2002-07-12 11:55 UTC] shannon at designcurve dot net

I was viewing your source code, and found a potential "bug." The following

if ($_SERVER["HTTP_IF_MODIFIED_SINCE"] == $tsstring){

should be changed to:

if (strstr($_SERVER["HTTP_IF_MODIFIED_SINCE"], $tsstring)){

Your implementation will work fine with NS, but IE (I am using version 6)
sends a header like this:

If-Modified-Since: Fri, 12 Jul 2002 05:08:03 GMT; length=4192


Shannon Johnson


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 [2002-07-23 15:50 UTC]
a clear violation of RFC2616 14.25 on behalf of M$
 [2002-08-14 17:39 UTC]
Indeed, a violation of the RFC, marking as bogus as it's actually a bug in IE.

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