On Mon, Jun 6, 2016 at 4:09 PM, Luca Toscano <toscano.luca@xxxxxxxxx> wrote:I was able to repro building httpd from 2.4.x branch and following your configuration files on github. I am almost sure that somewhere httpd sets the Last-Modified header translating "foo" to the first Jan 1970 date. I realized though that I didn't recall the real issue, since passing value not following the RFC can lead to inconsistencies, so I went back and checked the correspondence. Quoting:"Actually I wrote this snippet to highlight the behaviour (the original code sent the date in iso8601 instead of rfc1123) because it was more obvious.During my tests (this is extracted from an automated test suite), even after having converted dates to rfc1123, I continued to get some sparse errors. What I got is that the value I sent was sometimes slightly modified (a second or 2) depending on the machine load."So my understanding is that you would like to know why a Last-Modified header with a legitimate date/time set by a PHP app gets "delayed" by a couple of seconds from httpd, right?Yes for sure, this is the primary issue.However, the (undocumented) difference of behavior from one version to another (2.2 -> 2.4 and more surprisingly from between two 2.4 versions) is also in question here.Even more strange, 2.4 built for other distrib doesn't highlight the behaviour !
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