note 11813 added to function.exec.php

It seems that redirecting standard error does not work for all shell commands. For instance I can not receive all return data from an nslookup command even if I add 2>&1 onto the end of the command. It only returns the first 2 lines(standard output) and no more. Other commands work fine with no problems aka fwhois. Can someone explain why some programs dont return all output to a cgi. Ive had a similar problem with a perl script which I ended up having to use wget instead of snarf because I could not manage to get the data from snarf to redirect/return to perl. This is the standarderror which im trying to capture in php, does anyone have any ideas on this? *** ns1.iweb.net.au can't find dohdamnit.com: Non-existent host/domain http://www.php.net/manual/en/function.exec.php