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C Perl

Import of SPEEVES/Apache2-AuthenNTLM-0.02 from CPAN.

gitpan-cpan-distribution: Apache2-AuthenNTLM
gitpan-cpan-version:      0.02
gitpan-cpan-path:         SPEEVES/Apache2-AuthenNTLM-0.02.tar.gz
gitpan-cpan-author:       SPEEVES
gitpan-cpan-maturity:     released
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smb
AuthenNTLM.pm
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MANIFEST
Makefile.PL
README

README

Apache::AuthenNTLM - Perform Microsoft NTLM and Basic User Authentication
--------------------------------------------------------------------------

Copyright (c) 2002 Gerald Richter / ecos gmbh (www.ecos.de)

You may distribute under the terms of either the GNU General Public 
License or the Artistic License, as specified in the Perl README file.

THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED 
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 
MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.

$Id: README,v 1.5 2002/04/19 04:06:02 richter Exp $


OVERVIEW
========

The purpose of this module is to perform a user authentication via Microsoft's
NTLM protocol. This protocol is supported by all versions of the Internet
Explorer and is mainly useful for intranets. Depending on your preferences
setting, IE will supply your windows logon credentials to the web server
when the server asks for NTLM authentication. This saves the user to type in
his/her password again.

The NTLM protocol performs a challenge/response to exchange a random number
(nonce) and get back a md4 hash, which is built form the users password
and the nonce. This makes sure that no password goes over the wire in plain text,
so it's more secure than basic authentication, which doesn't mean it's
a real secure authentication scheme. ;)

Some information about NTLM can be found at:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/com/htm/security_9qgg.asp
http://davenport.sourceforge.net/ntlm.html

More detailed implementation details are available from:

http://www.opengroup.org/comsource/techref2/NCH1222X.HTM
http://www.innovation.ch/java/ntlm.html

A lot of ideas and information are taken from the similar Apache module mod_ntlm,
which can be found at http://sourceforge.net/projects/modntlm/ 

The main advantage of the Perl implementation is, that it can be easily extended
to verify the user/password against other sources than a windows domain controller.
The default implementation is to go to the domain controller for the given domain 
and verify the user. If you want to verify the user against another source, you
can inherit from Apache::AuthenNTLM and override its methods.

To support users that aren't using Internet Explorer, Apache::AuthenNTLM can
also perform basic authentication depending on it's configuration.


Apache::AuthenNTLM contains an extended version of Authen::Smb, which exposes
some more functions to Perl. 


INSTALLATION
============

MIME::Base64 must be installed, then run

perl Makefile.PL
make install

For configuration and more information see perldoc Apache::AuthenNTLM

SUPPORT
=======

Speeves: Thanks to everyone that is helping to find bugs, etc. in this module.  Please, feel free to contact me and let me know of any strange things are going on with this module.  Also, please copy the modperl@perl.apache.org mailing list, as there are probably many others that are experiencing the same problems as you, and they may be able to return an answer faster than I can by myself.  Thanks :)

SEE ALSO
========
                                                                                                                           
An implementation of this module which uses cookies to cache the session.
                                                                                                                           
Apache-AuthCookieNTLM - Leo Lapworth
http://search.cpan.org/~llap/Apache-AuthCookieNTLM/

AUTHOR
======

G. Richter (richter@dev.ecos.de)
Ported by Shannon Eric Peevey (speeves@unt.edu)

Development of this package, versions 0.01-0.13 was sponsored by:
Siemens: http://www.siemens.com


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