@tl=(85,78,73,46,68,69); ($gothostbyaddr) && ($head=$gothostbyaddr); 
if (length($ENV{QUERY_STRING})>1) { $reff=$ENV{QUERY_STRING}; } else
{$reff=$ENV{HTTP_REFERER};
$reff=~s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
} $head.=" $reff";