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oh.. if you need any example code i should have some.
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oh.. if you need any example code i should have some.

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@BrianMM... I'd really appriciate that. I have been looking at Zend_Ldap but I cannot see how groups and permissions work.
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@BrianMM... I'd really appriciate that. I have been looking at Zend_Ldap but I cannot see how groups and permissions work.

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I am building a web application for a client I need to authenticate with their MS systems.<br />
<br />
I originally was going to go for LDAP and AD but I have just thought of using Exchange and WebDAV.<br />
<br />
All I need to do is authenticate and confirm that they are indeed an employee of the company and maintain a username. I would like to also use existing group policy from AD but it is not necessary as I am going to have to extend and replicate it within my application.<br />
<br />
I will be building the application in PHP using the Zend Framework.<br />
<br />
Can anyone guide me to which option is better (and more robust/ secure etc) and easier.
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I am building a web application for a client I need to authenticate with their MS systems.

I originally was going to go for LDAP and AD but I have just thought of using Exchange and WebDAV.

All I need to do is authenticate and confirm that they are indeed an employee of the company and maintain a username. I would like to also use existing group policy from AD but it is not necessary as I am going to have to extend and replicate it within my application.

I will be building the application in PHP using the Zend Framework.

Can anyone guide me to which option is better (and more robust/ secure etc) and easier.

MS authentication with PHP Applications... WebDAV and Exchange or LDAP and Active Directory.

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.

Active Directory

PHP is a widely-used server-side scripting language especially suited for web development, powering tens of millions of sites from Facebook to personal WordPress blogs. PHP is often paired with the MySQL relational database, but includes support for most other mainstream databases. By utilizing different Server APIs, PHP can work on many different web servers as a server-side scripting language.