diff --git a/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthNull.pm b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthNull.pm
new file mode 100644
index 000000000..97df86a72
--- /dev/null
+++ b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/AuthNull.pm
@@ -0,0 +1,114 @@
+##@file
+# Null authentication backend file
+
+##@class
+# Null authentication backend class
+package Lemonldap::NG::Portal::AuthNull;
+
+use strict;
+use Lemonldap::NG::Portal::Simple;
+
+our $VERSION = '0.1';
+
+## @apmethod int authInit()
+# Does nothing
+# @return Lemonldap::NG::Portal constant
+sub authInit {
+ PE_OK;
+}
+
+## @apmethod int setAuthSessionInfo()
+# Set _user value to 'anonymous'
+# @return Lemonldap::NG::Portal constant
+sub setAuthSessionInfo {
+ my $self = shift;
+
+ $self->{sessionInfo}->{'_user'} = 'anonymous';
+
+ PE_OK;
+}
+
+## @apmethod int extractFormInfo()
+# Does nothing
+# @return Lemonldap::NG::Portal constant
+sub extractFormInfo {
+ PE_OK;
+}
+
+## @apmethod int authenticate()
+# Does nothing.
+# @return Lemonldap::NG::Portal constant
+sub authenticate {
+ PE_OK;
+}
+
+1;
+__END__
+
+=head1 NAME
+
+=encoding utf8
+
+Lemonldap::NG::Portal::Apache - Perl extension for building Lemonldap::NG
+compatible portals with Apache authentication.
+
+=head1 SYNOPSIS
+
+ use Lemonldap::NG::Portal::SharedConf;
+ my $portal = new Lemonldap::NG::Portal::Simple(
+ configStorage => {...}, # See Lemonldap::NG::Portal
+ authentication => 'Null',
+ );
+
+ if($portal->process()) {
+ # Write here the menu with CGI methods. This page is displayed ONLY IF
+ # the user was not redirected here.
+ print $portal->header('text/html; charset=utf8'); # DON'T FORGET THIS (see CGI(3))
+ print "...";
+
+ # or redirect the user to the menu
+ print $portal->redirect( -uri => 'https://portal/menu');
+ }
+ else {
+ print $portal->header('text/html; charset=utf8'); # DON'T FORGET THIS (see CGI(3))
+ print "Unable to work
";
+ print "This server isn't well configured. Contact your administrator.";
+ print "";
+ }
+
+=head1 DESCRIPTION
+
+This library just overload few methods of Lemonldap::NG::Portal::Simple to
+create sessions for anonymous users.
+
+See L for usage and other methods.
+
+=head1 SEE ALSO
+
+L, L,
+http://wiki.lemonldap.objectweb.org/xwiki/bin/view/NG/Presentation
+
+=head1 AUTHOR
+
+Clement Oudot, Eclement@oodo.netE
+
+=head1 BUG REPORT
+
+Use OW2 system to report bug or ask for features:
+L
+
+=head1 DOWNLOAD
+
+Lemonldap::NG is available at
+L
+
+=head1 COPYRIGHT AND LICENSE
+
+Copyright (C) 2010 by Clement Oudot
+
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself, either Perl version 5.8.4 or,
+at your option, any later version of Perl 5 you may have available.
+
+=cut
+
diff --git a/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/PasswordDBNull.pm b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/PasswordDBNull.pm
new file mode 100644
index 000000000..8024ad395
--- /dev/null
+++ b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/PasswordDBNull.pm
@@ -0,0 +1,34 @@
+##@file
+# Null password backend file
+
+##@class
+# Null password backend class
+package Lemonldap::NG::Portal::PasswordDBNull;
+
+use strict;
+use Lemonldap::NG::Portal::Simple;
+
+our $VERSION = '0.1';
+
+## @apmethod int passwordDBInit()
+# Does nothing
+# @return Lemonldap::NG::Portal constant
+sub passwordDBInit {
+ PE_OK;
+}
+
+## @apmethod int modifyPassword()
+# Does nothing
+# @return Lemonldap::NG::Portal constant
+sub modifyPassword {
+ PE_OK;
+}
+
+## @apmethod int resetPassword()
+# Does nothing
+# @return Lemonldap::NG::Portal constant
+sub resetPassword {
+ PE_OK;
+}
+
+1;