= $bMaxVisit ) and (( $visits / $duration ) > ( $bMaxVisit / $bInterval ))) {
$fileATime= $time = $time - $bInterval;
$fileMTime= $time + $bMaxVisit + (( $bMaxVisit * $bPenalty ) / $bInterval );
touch( $ipFile, $fileMTime, $fileATime );
header( 'HTTP/1.0 503 Service Temporarily Unavailable' );
header( 'Connection: close' );
header( 'Content-Type: text/html' );
echo "Server under heavy load
";
echo "$visits visits from your IP-Address within the last $duration secs. Please wait $bPenalty secs before retrying.
";
$remote = $_SERVER[ 'REMOTE_ADDR' ];
$useragent= ( isset( $_SERVER[ 'HTTP_USER_AGENT' ]))
? $_SERVER[ 'HTTP_USER_AGENT' ]
: '';
$logLine= "$remote ". date( 'd/m/Y H:i:s' ) ." $useragent\n";
$log= file( $ipLogFile );
if( $fp = fopen( $ipLogFile, 'a' )) {// tiny danger of 2 threads interfering; live with it
if( count( $log ) >= _B_LOGMAXLINES ) {// otherwise grows like Topsy
fclose( $fp );// flock() disabled in some kernels (eg 2.4)
array_shift( $log );// fopen,fclose put close together as possible
array_push( $log, $logLine );
$logLine= implode( '', $log );
$fp= fopen( $ipLogFile, 'w' );
}
fputs( $fp, $logLine );
fclose( $fp );
}
exit();
}
}
touch( $ipFile, $fileMTime, $fileATime );
ignore_user_abort( $oldSetting );
?>