LDAP SSL connection using ASP.Net MVC web application

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LDAP SSL connection using ASP.Net MVC web application - How to connect

Rajendran S

5y3.2k.NET

Help me !!!!

System.DirectoryServices.Protocols

I try to connect the LDAP Connection with the above assembly reference but it connection it says

The supplied credential is invalid.

80090308: LdapErr: DSID-0C090453, comment: AcceptSecurityContext error, data 52e, v3839

using (LdapConnection ldapConnection = new LdapConnection(activeDirectoryServer) { Timeout = TimeSpan.FromSeconds(600) })
{
var networkCredential = new NetworkCredential(loginCN, ldpPassowrd, activeDirectpryDomain);
ldapConnection.SessionOptions.SecureSocketLayer = true;
ldapConnection.Credential = networkCredential;
ldapConnection.SessionOptions.VerifyServerCertificate = new VerifyServerCertificateCallback(ServerCallback);
ldapConnection.SessionOptions.ProtocolVersion = 3;
ldapConnection.AuthType = AuthType.Basic;
ldapConnection.Bind(networkCredential);
}

If anyone already tried with that please help me

3 Replies

Know the answer? Post it — somebody with the same question will find it here.

Rajendran S5y ago
1. using (LdapConnection ldapConnection = new LdapConnection(activeDirectoryServer) { Timeout = TimeSpan.FromSeconds(600) })
2. {
3. var networkCredential = new NetworkCredential(loginCN, ldpPassowrd);
4. ldapConnection.SessionOptions.SecureSocketLayer = true;
5. ldapConnection.Credential = networkCredential;
6. ldapConnection.SessionOptions.VerifyServerCertificate = new VerifyServerCertificateCallback(ServerCallback);
7. ldapConnection.SessionOptions.ProtocolVersion = 3;
8. ldapConnection.AuthType = AuthType.Basic;
9. ldapConnection.Bind(networkCredential);
10. }
Now working this Once I removed NetworkCredential DomainName parameter

Satya Karki5y ago

Hi, Your error message says that credentials are incorrect. Check credentials and try.

Bohdan Stupak5y ago

Can you connect manually with these credentials? The message may suggest that your code is fine but credentials are wrong. Are alternatively you're doing something wrong in code