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POAuthenticate against a user in active directory?
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  1. POAuthenticate against a user in active directory?
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    copied!<p>I do have a web application where i have a login page.How do i authenticate against the active directory users ?</p> <p>As of now i am able to get some properties from the active directory,which concludes i am able to communicate with AD with LDAP string.I know its not possible to extract password from AD and authenticate against user entered password !!.</p> <p>Is there a way i can authenticate against the active directory users ?</p> <p>Here is my code so far</p> <pre><code> public class Userdetails { public static string ADPath = ConfigurationManager.AppSettings.Get(“ADPath”); // Get the ADAM Path from web config fiel public static string ADUser = ConfigurationManager.AppSettings.Get(“ADUser”); //ADAM Administrator public static string ADPassword = ConfigurationManager.AppSettings.Get(“ADPassword”); //ADAM Administrator password public static DirectoryEntry GetUserDetails(string userID) { AuthenticationTypes AuthTypes; // Authentication flags. // Set authentication flags. // For non-secure connection, use LDAP port and // ADS_USE_SIGNING | // ADS_USE_SEALING | // ADS_SECURE_AUTHENTICATION // For secure connection, use SSL port and // ADS_USE_SSL | ADS_SECURE_AUTHENTICATION AuthTypes = AuthenticationTypes.Signing | AuthenticationTypes.Sealing | AuthenticationTypes.Secure; DirectoryEntry De = new DirectoryEntry(ADPath, ADUser, ADPassword, AuthTypes); DirectorySearcher Ds = new DirectorySearcher(De); SearchResult Sr; Ds.SearchScope = SearchScope.Subtree; Ds.Filter = “(&amp;(objectclass=*)(cn= ” + userID + “))”; Sr = Ds.FindOne(); if (!(Sr == null)) { De = new DirectoryEntry(Sr.Path, ADUser, ADPassword, AuthTypes); return De; } else { return null; } } </code></pre>
 

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