#40351 [NEW]: DNS resolution fails with PHP

From: dae at datasec dot no Operating system: Trustix 3.0.5 RC1 PHP version: 4.4.4 PHP Bug Type: *Network Functions Bug description: DNS resolution fails with PHP Description: ------------ PHP can not do DNS-resolution, all other software or parts of the OS can. Reproduce code: --------------- $foo = gethostbyaddr('69.147.83.197'); echo 'gethostbyaddr [should show a hostname] : '.$foo."\n"; $foo = gethostbyname("php.net"); echo 'gethostbyname [should show an ip] : '.$foo."\n"; $host = explode('@', 'webmaster@php.net'); if(!checkdnsrr($host[1].'.', 'MX') ) { echo "No MX record found for webmaster@php.net\n"; } Expected result: ---------------- gethostbyaddr [should show a hostname] : y2.php.net gethostbyname [should show an ip] : 69.147.83.197 Actual result: -------------- gethostbyaddr [should show a hostname] : 69.147.83.197 gethostbyname [should show an ip] : php.net No MX record found for webmaster@php.net -- Edit bug report at http://bugs.php.net/?id=40351&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40351&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40351&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40351&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=40351&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=40351&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=40351&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=40351&r=needscript Try newer version: http://bugs.php.net/fix.php?id=40351&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=40351&r=support Expected behavior: http://bugs.php.net/fix.php?id=40351&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=40351&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=40351&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=40351&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40351&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=40351&r=dst IIS Stability: http://bugs.php.net/fix.php?id=40351&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=40351&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=40351&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=40351&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=40351&r=mysqlcfg