NAME
    Plack::Middleware::IPAddressFilter - Simple IP address access control
    middleware

SYNOPSIS
      use Plack::Builder;
      my $app = sub { ... };
  
      builder {
        enable "IPAddressFilter", rules [
                                           # deny from all for default.
          '+ 127.0.0.1',                   # allow from localhost.
          '+ 192.168.0.0/24',              # allow from LAN
          '- 192.168.0.5-192.168.0.10',    #   except from some hosts.
          '+ 192.0.34.72/255.255.255.240', # allow from subnet.
        ];
        $app;
      }

DESCRIPTION
    Plack::Middleware::IPAddressFilter is a IP address based access control
    handler for Plack.

CONFIGURATION
    rules
        IP address ranges to allow/deny. '-' prepended ranges are denied,'+'
        prepended or prepend less are allowd.

AUTHOR
    Rintaro Ishizaki <rintaro@cpan.org>

SEE ALSO
LICENSE
    This library is free software; you can redistribute it and/or modify it
    under the same terms as Perl itself.