How do I configure Ezeelogin to authenticate using Windows_AD(Pam-LDAP) in CentOS?

186 Manu Chacko June 14, 2023 Tweaks & Configuration 11855

Integration of WINDOWS-AD (PAM-LDAP) in CentOS 7/6

Make sure that the PHP-LDAP extension is installed on the server

root@jumpserver:~# yum install php-ldap openldap openldap-clients; apachectl restart

1. Login to Web-GUI > open settings > Ldap

Add the details of LDAP configurations & Check the Windows Active Directory

2. Under Settings > General Settings > Authentication > Change webpanel authentication to LDAP & Check External SSH Auth

3. Select the LDAP users and import them to Ezeelogin

You can confirm the imported LDAP users were listed in the Users

Now you can login to the Ezeelogin GUI as the LDAP user.

After importing the users to Ezeelogin, log in with the user and set up security code for the user under Account > Password > New Security Code.

4. Make sure that UNIX ATTRIBUTES are enabled on WINDOWS(2003,2008,2012) SERVER

You do not need to install Unix attributes on windows 10, windows 2012 and windows 2016 server OS

Enter the below command

 Dism.exe/online/enable-feature /featurename:nis    /all 

Reboot the server to complete the installation

Win 2008 Unix Attributes

Window 2016 AD for a user . Note that the attributes such as uidNumber = 10001 , gidNumber = 12001 , unixHomeDirectory = /home/jake , loginShell=/usr/local/bin/ezsh are set.

NOTE: For the Unix Attributes uidNumber, gidNumber, login shell to be visible, make sure to click on the Filter button and select ONLY " Show Only Writable Attributes" as shown below.

Let's configure PAM_LDAP Authentication for SSH

1. Install pam-LDAP module by the following command

root@gateway ~]# yum install nss-pam-ldapd nscd

2. Enter the command to auto-configure

root@gateway ~]# authconfig-tui

Select use LDAP & use LDAP authentication

Add binddn,bind password & Active Directory Mappings to /etc/nslcd.conf

 root@gateway ~]# vi /etc/nslcd.conf   uri ldap://10.11.1.231 
 ldap_version 3 
 base cn=users,dc=admod,dc=net 
 binddn cn=Administrator,cn=Users,dc=admod,dc=net 
 bindpw admod_2012  
 filter passwd (objectClass=User) 
 map passwd uid sAMAccountName 
 map passwd homeDirectory unixHomeDirectory 
 map passwd loginShell  "/usr/local/bin/ezsh" 
 map passwd gidNumber   "100" 
 
 ssl no 
 tls_cacertdir /etc/openldap/cacerts 

If you are using LDAPS, then change SSL to YES

Enable auto-create home directory on login by the following command

 root@gateway ~]# authconfig --enablemkhomedir --update 

Restart nslcd & nscd service

 root@gateway ~]# service nslcd restart && service nscd restart   

Ensure the login shell of LDAP user is /usr/local/bin/ezsh

Now run the id/finger command and see whether you are able to get AD user details

root@gateway ~]# finger jake

Directory: /home/jake Shell: /usr/local/bin/ezsh

Last login Tue Jul 3 12:23 (IST) on pts/2 from 10.11.1.189

No mail.

No Plan.

root@gateway ~]# id jake

uid=10001(jake) gid=12000 groups=12000

Run a ldapsearch to check the values returned from your AD server as follows. This is used for troubleshooting.

root@gateway ~]# ldapsearch -x -LLL -E pr=200/noprompt -h 10.11.1.164 -D "[email protected]" -w admod_2016 -b "cn=jake,cn=users,dc=ad2016,dc=admod,dc=net"

dn: CN=jake,CN=Users,DC=ad2016,DC=admod,DC=net

objectClass: top

objectClass: person

objectClass: organizationalPerson

objectClass: user

cn: jake

givenName: jake

distinguishedName: CN=jake,CN=Users,DC=ad2016,DC=admod,DC=net

instanceType: 4

whenCreated: 20180703063304.0Z

whenChanged: 20180703063554.0Z

displayName: jake

uSNCreated: 45128

uSNChanged: 45136

name: jake

objectGUID:: ldpkFlnRs0O6irphlTq1AA==

userAccountControl: 512

badPwdCount: 0

codePage: 0

countryCode: 0

badPasswordTime: 0

lastLogoff: 0

lastLogon: 0

pwdLastSet: 131750731848783837

primaryGroupID: 513

objectSid:: AQUAAAAAAAUVAAAAmhs/bgMv2mlWATm4VQQAAA==

accountExpires: 9223372036854775807

logonCount: 0

sAMAccountName: jake

sAMAccountType: 805306368

userPrincipalName: [email protected]

objectCategory: CN=Person,CN=Schema,CN=Configuration,DC=ad2016,DC=admod,DC=net

dSCorePropagationData: 16010101000000.0Z

uidNumber: 10001

gidNumber: 12000

unixHomeDirectory: /home/jake

loginShell: /usr/local/bin/ezsh

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