RE: [otrs] Re: LDAP Authentication using Microsoft Active Directoryserver

24 Sep 2007

      Robert and or anyone that can assist.  2 quick questions...

1.	Do you have any instructions on how to install the correct PERL
Ldap modules?
2.	When you login to OTRS do you use the username or
domain\username?

Thanks for any help offered. I have been chasing this issue for well
over a month.

Mike Holland

________________________________

From: otrs-bounces@otrs.org [mailto:otrs-bounces@otrs.org] On Behalf Of
Robert Aldridge
Sent: Monday, September 24, 2007 11:43 AM
To: User questions and discussions about OTRS.org
Subject: Re: [otrs] Re: LDAP Authentication using Microsoft Active
Directoryserver

Edward,

Thanks for the suggestion.  I copied your configuration and now have
both agents and customers successfully logging in with authentication
against our AD server.

Thanks!!!

Robert

On 9/24/07, Edward Kovarski  wrote:

Robert,

I would suggest trying to simplify the configurations by removing the
AlwaysFilter and specifying the root of your Active Directory as the
BaseDN. Once it authenticates properly you can start customizing and 
narrowing the BaseDN scope.

Here is an excerpt from Config.pm which I just tested on our dev
environment as we don't use the customer interface in production. It
properly authenticated and pulled in all the proper values into OTRS... 

     # --- Customer ---
     $Self->{'Customer::AuthModule'} =
'Kernel::System::CustomerAuth::LDAP';
     $Self->{'Customer::AuthModule::LDAP::Host'} = ' ad.groupkae.com
http://ad.groupkae.com ';
     $Self->{'Customer::AuthModule::LDAP::BaseDN'} =
'ou=Customer,dc=ad,dc=groupkae,dc=com';
     $Self->{'Customer::AuthModule::LDAP::UID'} = 'sAMAccountName'; 
     $Self->{'Customer::AuthModule::LDAP::SearchUserDN'} =
'ldap@ad.groupkae.com';
     $Self->{'Customer::AuthModule::LDAP::SearchUserPw'} = 'password'; 

     $Self->{CustomerUser} = {
       Module => 'Kernel::System::CustomerUser::LDAP',
       Params => {
       Host => 'ad.groupkae.com',
       BaseDN => 'ou=Customer,dc=ad,dc=groupkae,dc=com',
       SSCOPE => 'sub',
       UserDN =>'ldap@ad.groupkae.com',
       UserPw => 'password', 
     },

     CustomerKey => 'sAMAccountName',
     CustomerID => 'mail',
     CustomerUserListFields => ['sAMAccountName', 'cn', 'mail'],
     CustomerUserSearchFields => ['sAMAccountName', 'cn', 'mail'], 
     CustomerUserSearchPrefix => '',
     CustomerUserSearchSuffix => '*',
     CustomerUserSearchListLimit => 250,
     CustomerUserPostMasterSearchFields => ['mail'],
     CustomerUserNameFields => ['givenname', 'sn'],
     Map => [
       [ 'UserFirstname', 'Firstname', 'givenname', 1, 1, 'var' ],
       [ 'UserLastname', 'Lastname', 'sn', 1, 1, 'var' ], 
       [ 'UserLogin', 'Login', 'sAMAccountName', 1, 1, 'var' ],
       [ 'UserEmail', 'Email', 'mail', 1, 1, 'var' ],
       [ 'UserCustomerID', 'CustomerID', 'mail', 0, 1, 'var' ], 
       [ 'UserPhone', 'Phone', 'telephonenumber', 1, 0, 'var' ],
     ],
};

On 24-Sep-07, at 10:42 AM, Robert Aldridge wrote:
...
Thanks for the suggestion, Edward.  Changing the SearchUserDN to 
<username>@<domain> continues to work for the agent login.  I still
haven't been able to get the customer login working.  Any hints?
Here's my current LDAP portion of Config.pm:
$Self->{'AuthModule'} = 'Kernel::System::Auth::LDAP';
    $Self->{'AuthModule::LDAP::Host'} = ' ldapserver.domain.com ';
    $Self->{'AuthModule::LDAP::BaseDN'} = 'ou=Group of
Users,dc=domain,dc=com';
    $Self->{'AuthModule::LDAP::UID'} = 'sAMAccountName';
    $Self->{'AuthModule::LDAP::SearchUserDN'} = ' OTRS@domain.com';
    $Self->{'AuthModule::LDAP::SearchUserPw'} = '********';
$Self->{'Customer::AuthModule'} =
'Kernel::System::CustomerAuth::LDAP'; 
    $Self->{'Customer::AuthModule::LDAP::Host'} = '
ldapserver.domain.com';
    $Self->{'Customer::AuthModule::LDAP::BaseDN'} = 'ou=Group of 
Users,dc=domain,dc=com';
    $Self->{'Customer::AuthModule::LDAP::UID'} = 'sAMAccountName';
    $Self->{'Customer::AuthModule::LDAP::SearchUserDN'} = '
OTRS@domain.com';
    $Self->{'Customer::AuthModule::LDAP::SearchUserPW'} = '********';
$Self->{CustomerUser} = {
      Module => 'Kernel::System::CustomerUser::LDAP', 
      Params => {
        Host => ' ldapserver.domain.com',
        BaseDN => 'ou=Group of Users,dc=domain,dc=com',
        SSCOPE => 'sub', 
        AlwaysFilter => '(&(sAMAccountName=*)(mail=*))',
        UserDN => 'OTRS@domain.com',
        UserPW => '********', 
      },
      CustomerKey => 'sAMAccountName',
      CustomerID => 'mail',
      CustomerUserListFields => ['sAMAccountName', 'cn', 'mail'], 
      CustomerUserSearchFields => ['sAMAccountName', 'cn', 'mail'],
      CustomerUserPostMasterSearchFields => ['mail'],
      CustomerUserNameFields => ['givenname', 'sn'], 
      Map => [
        # note: Login, Email and CustomerID needed!
        # var, frontend, storage, shown, required, storage-type
        # [ 'UserSalutation', 'Title', 'title', 1, 0, 'var' ], 
        [ 'UserFirstName', 'Firstname', 'givenname', 1, 1, 'var' ],
        [ 'UserLastName', 'Lastname', 'sn', 1, 1, 'var' ],
        [ 'UserLogin', 'Login', 'sAMAccountName', 1, 1, 'var' ], 
        [ 'UserEmail', 'Email', 'mail', 1, 1, 'var' ],
        [ 'UserCustomerID', 'CustomerID', 'mail', 0, 1, 'var' ],
      ],
    };
# UserSyncLDAPMap
    # (map if agent should create/synced from LDAP to DB after login)
    $Self->{UserSyncLDAPMap} = {
        # DB -> LDAP
        Firstname => 'givenName', 
        Lastname => 'sn',
        Email => 'mail',
    };
# UserSyncLDAPGroups
    # (If "LDAP" was selected for AuthModule, you can specify initial 
    # user groups for first login.)
    $Self->{UserSyncLDAPGroups} = [
        'users',
    ];
On 9/21/07, Edward Kovarski < edward.kovarski@groupkae.com> wrote:
Robert,
You may also try <username>@<domain> which is the new Microsoft style
for specifying users within domains. This is what we use in 
configuration...
Ed
On 21-Sep-07, at 2:48 PM, Robert Aldridge wrote:
...
Finally got it working...
I changed every entry of:
'cn=OTRS Admin,ou=Tuscaloosa - Sheet Mill,dc=tsteel,dc=com';
to:
'tsteel\OTRS'
and, to pull user data to the local DB, I added:
# UserSyncLDAPMap
    # (map if agent should create/synced from LDAP to DB after
login)
    $Self->{UserSyncLDAPMap} = {
        # DB -> LDAP 
        Firstname => 'givenName',
        Lastname => 'sn',
        Email => 'mail',
    };
# UserSyncLDAPGroups 
    # (If "LDAP" was selected for AuthModule, you can specify
initial
    # user groups for first login.)
    $Self->{UserSyncLDAPGroups} = [
        'users', 
    ];
Perhaps this will help someone else who's trying to set OTRS up
with Microsoft Active Directory.
Thanks,
Robert Aldridge
On 9/21/07, Robert Aldridge < bamarob55@gmail.com> wrote: Hi folks,
First let me say that OTRS appears to be a great product!  Kudos to 
the developers!
We are in the process of evaluating our options for a helpdesk/
trouble-ticket system.  I would really like to give OTRS a good
evaluation, but I'm having some problems.  Our chosen solution must 
be able to authenticate users (both agents and customers) via
Microsoft Active Directory.  It appears that this is possible, but
I've yet to have any success.  I'll outline the steps I've taken 
and solicit any input from the community.
OTRS is working fine when authenticating against it's own
database.  Here's what I've done to try to authenticate against AD:
I edited Kernel/Config.pm and added:
<begin additions to Config.pm>
$Self->{'AuthModule'} = 'Kernel::System::Auth::LDAP'; 
    $Self->{'AuthModule::LDAP::Host'} = ' lincoln.tsteel.com';
    $Self->{'AuthModule::LDAP::BaseDN'} = 'ou=Tuscaloosa - Sheet 
Mill,dc=tsteel,dc=com';
    $Self->{'AuthModule::LDAP::UID'} = 'sAMAccountName';
    $Self->{'AuthModule::LDAP::SearchUserDN'} = 'cn=OTRS
Admin,ou=Tuscaloosa - Sheet Mill,dc=tsteel,dc=com'; 
    $Self->{'AuthModule::LDAP::SearchUserPw'} = 'password';
$Self->{'Customer::AuthModule'} =
'Kernel::System::CustomerAuth::LDAP'; 
    $Self->{'Customer::AuthModule::LDAP::Host'} = '
lincoln.tsteel.com';
    $Self->{'Customer::AuthModule::LDAP::BaseDN'} = 'ou=Tuscaloosa 
- Sheet Mill,dc=tsteel,dc=com';
    $Self->{'Customer::AuthModule::LDAP::UID'} = 'sAMAccountName';
    $Self->{'Customer::AuthModule::LDAP::SearchUserDN'} = 'cn=OTRS 
Admin,ou=Tuscaloosa - Sheet Mill,dc=tsteel,dc=com';
    $Self->{'Customer::AuthModule::LDAP::SearchUserPW'} =
'password';
$Self->{CustomerUser} = { 
    Module => 'Kernel::System::CustomerUser::LDAP',
    Params => {
    Host => ' lincoln.tsteel.com ',
    BaseDN => 'ou=Tuscaloosa - Sheet Mill,dc=tsteel,dc=com', 
    SSCOPE => 'sub',
    UserDN => 'cn=OTRS Admin,ou=Tuscaloosa - Sheet
Mill,dc=tsteel,dc=com',
    UserPW => 'password',
    }, 
    CustomerKey => 'sAMAccountName',
    CustomerID => 'mail',
    CustomerUserListFields => 'sAMAccountName', 'cn', 'mail',
    CustomerUserSearchFields => 'sAMAccountName', 'cn', 'mail', 
    CustomerUserPostMasterSearchFields => 'mail',
    CustomerUserNameFields => 'givenname', 'sn',
    Map => [
    [ 'UserFirstName', 'Firstname', 'givenname', 1, 1, 'var' ], 
    [ 'UserLastName', 'Lastname', 'sn', 1, 1, 'var' ],
    [ 'UserLogin', 'Login', 'sAMAccountName', 1, 1, 'var' ],
    [ 'UserEmail', 'Email', 'mail', 1, 1, 'var' ], 
    [ 'UserCustomerID', 'CustomerID', 'mail', 0, 1, 'var' ],
    ],
    };
<end additions to Config.pm>
On my AD box, I ran: ldifde -f users.ldf -d "OU=Tuscaloosa - Sheet
Mill,dc=tsteel,dc=com" -r ""
Which returned a listing of all users in the Tuscaloosa - Sheet
Mill org unit.  Within the users.ldf file (output from the above
command), there's an entry for OTRS Admin:
<begin snippet from users.ldf>
dn: CN=OTRS,OU=Tuscaloosa - Sheet Mill,DC=tsteel,DC=com
    changetype: add
    objectClass: top
    objectClass: person 
    objectClass: organizationalPerson
    objectClass: user
    cn: OTRS
    sn: Admin
    givenName: OTRS
    distinguishedName: CN=OTRS,OU=Tuscaloosa - Sheet 
Mill,DC=tsteel,DC=com
    instanceType: 4
    whenCreated: 20070920125829.0Z
    whenChanged: 20070921135825.0Z
    displayName: OTRS
    uSNCreated: 8512826 
    uSNChanged: 8549454
    name: OTRS
    objectGUID:: po7FpWyIxEWWQeiUc9XMwA==
    userAccountControl: 66048
    badPwdCount: 0
    codePage: 0 
    countryCode: 0
    badPasswordTime: 128347689772801250
    lastLogoff: 0
    lastLogon: 128347693211238750
    pwdLastSet: 128347667099207500
    primaryGroupID: 513 
    objectSid:: AQUAAAAAAAUVAAAApR5XA/l+DSsgfDsl4xwAAA==
    accountExpires: 9223372036854775807
    logonCount: 0
    sAMAccountName: OTRS
    sAMAccountType: 805306368 
    userPrincipalName: OTRS@tsteel.com
    objectCategory:
CN=Person,CN=Schema,CN=Configuration,DC=tsteel,DC=com
    dSCorePropagationData: 20070921135825.0Z
    dSCorePropagationData: 20070921135825.0Z
    dSCorePropagationData: 20070921135825.0Z
    dSCorePropagationData: 20070921131751.0Z
    dSCorePropagationData: 16010108151056.0Z
    lastLogonTimestamp: 128347680934676250
<end snippet from users.ldf>
With this configuration, when I attempt to login as an agent using 
my username (which I know is valid in AD), it errors out with:
Login failed! Your username or password was entered incorrectly.
And, when I revert the Config.pm back (so I can log in) and check
the system log, I see:
User: raldridge authentication failed, no LDAP entry found!
BaseDN='ou=Tuscaloosa - Sheet Mill,dc=tsteel,dc=com', 
Filter='(sAMAccountName=raldridge)', (REMOTE_ADDR: 10.1.1.50).
Any help would be greatly appreciated.
Thanks,
Robert Aldridge
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RE: [otrs] Re: LDAP Authentication using Microsoft Active Directoryserver

Michael Holland