#40325 [NEW]: Vary: header missing in gzip output handlers

From: nicolas dot grekas+php at gmail dot com Operating system: All PHP version: 5.2.0 PHP Bug Type: HTTP related Bug description: Vary: header missing in gzip output handlers Description: ------------ At least ob_gzhandler, maybe gzip.outputcompress don't send a "Vary: Accept-Encoding" header when browser don't support compression. The result is that intermediate caches may get corrupted. Reproduce code: --------------- execute the code bellow with php-cgi : <?php ob_start('ob_gzhander'); Expected result: ---------------- X-Powered-By: PHP/5.2.0 Content-Type: text/html Actual result: -------------- X-Powered-By: PHP/5.2.0 Content-Type: text/html Vary: Accept-Encoding -- Edit bug report at http://bugs.php.net/?id=40325&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40325&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40325&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40325&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=40325&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=40325&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=40325&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=40325&r=needscript Try newer version: http://bugs.php.net/fix.php?id=40325&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=40325&r=support Expected behavior: http://bugs.php.net/fix.php?id=40325&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=40325&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=40325&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=40325&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40325&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=40325&r=dst IIS Stability: http://bugs.php.net/fix.php?id=40325&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=40325&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=40325&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=40325&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=40325&r=mysqlcfg