Configure LDAP Server2015/05/28 |
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Configure LDAP Server in order to share users' accounts in your local networks.
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| [1] | Install OpenLDAP. |
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[root@dlp ~]#
[root@dlp ~]# dnf -y install openldap-servers openldap-clients cp /usr/share/openldap-servers/DB_CONFIG.example /var/lib/ldap/DB_CONFIG [root@dlp ~]# chown ldap. /var/lib/ldap/DB_CONFIG [root@dlp ~]# systemctl start slapd [root@dlp ~]# systemctl enable slapd |
| [2] | Set OpenLDAP admin password. |
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# generate encrypted password [root@dlp ~]# slappasswd New password: Re-enter new password: {SSHA}xxxxxxxxxxxxxxxxxxxxxxxx
[root@dlp ~]#
vi chrootpw.ldif # specify the password generated above for "olcRootPW" section
dn: olcDatabase={0}config,cn=config
changetype: modify
add: olcRootPW
olcRootPW: {SSHA}xxxxxxxxxxxxxxxxxxxxxxxx
ldapadd -Y EXTERNAL -H ldapi:/// -f chrootpw.ldif SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 modifying entry "olcDatabase={0}config,cn=config" |
| [3] | Import basic Schemas. |
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[root@dlp ~]# ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/openldap/schema/cosine.ldif SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 adding new entry "cn=cosine,cn=schema,cn=config"[root@dlp ~]# ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/openldap/schema/nis.ldif SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 adding new entry "cn=nis,cn=schema,cn=config"[root@dlp ~]# ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/openldap/schema/inetorgperson.ldif SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 adding new entry "cn=inetorgperson,cn=schema,cn=config" |
| [4] | Set your domain name on LDAP DB. |
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# generate directory manager's password [root@dlp ~]# slappasswd New password: Re-enter new password: {SSHA}xxxxxxxxxxxxxxxxxxxxxxxx
[root@dlp ~]#
vi chdomain.ldif # replace to your own domain name for "dc=***,dc=***" section # specify the password generated above for "olcRootPW" section
dn: olcDatabase={1}monitor,cn=config
changetype: modify
replace: olcAccess
olcAccess: {0}to * by dn.base="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth"
read by dn.base="cn=Manager,dc=srv,dc=world" read by * none
dn: olcDatabase={2}mdb,cn=config
changetype: modify
replace: olcSuffix
olcSuffix: dc=srv,dc=world
dn: olcDatabase={2}mdb,cn=config
changetype: modify
replace: olcRootDN
olcRootDN: cn=Manager,dc=srv,dc=world
dn: olcDatabase={2}mdb,cn=config
changetype: modify
add: olcRootPW
olcRootPW: {SSHA}xxxxxxxxxxxxxxxxxxxxxxxx
dn: olcDatabase={2}mdb,cn=config
changetype: modify
add: olcAccess
olcAccess: {0}to attrs=userPassword,shadowLastChange by
dn="cn=Manager,dc=srv,dc=world" write by anonymous auth by self write by * none
olcAccess: {1}to dn.base="" by * read
olcAccess: {2}to * by dn="cn=Manager,dc=srv,dc=world" write by * read
ldapmodify -Y EXTERNAL -H ldapi:/// -f chdomain.ldif
SASL/EXTERNAL authentication started
SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth
SASL SSF: 0
modifying entry "olcDatabase={1}monitor,cn=config"
modifying entry "olcDatabase={2}mdb,cn=config"
modifying entry "olcDatabase={2}mdb,cn=config"
modifying entry "olcDatabase={2}mdb,cn=config"
modifying entry "olcDatabase={2}mdb,cn=config"
[root@dlp ~]#
vi basedomain.ldif # replace to your own domain name for "dc=***,dc=***" section dn: dc=srv,dc=world objectClass: top objectClass: dcObject objectclass: organization o: Server World dc: srv dn: cn=Manager,dc=srv,dc=world objectClass: organizationalRole cn: Manager description: Directory Manager dn: ou=People,dc=srv,dc=world objectClass: organizationalUnit ou: People dn: ou=Group,dc=srv,dc=world objectClass: organizationalUnit ou: Group ldapadd -x -D cn=Manager,dc=srv,dc=world -W -f basedomain.ldif Enter LDAP Password: # directory manager's password adding new entry "dc=srv,dc=world" adding new entry "cn=Manager,dc=srv,dc=world" adding new entry "ou=People,dc=srv,dc=world" adding new entry "ou=Group,dc=srv,dc=world" |
| [5] |
Configure LDAP TLS. Create SSL Certificates first, refer to here.
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| [6] | Configure Slapd for TLS. |
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[root@dlp ~]#
cp /etc/pki/tls/certs/server.key \ /etc/pki/tls/certs/server.crt \ /etc/pki/tls/certs/ca-bundle.crt \ /etc/openldap/certs/ [root@dlp ~]# chown ldap. /etc/openldap/certs/server.key \
/etc/openldap/certs/server.crt \ /etc/openldap/certs/ca-bundle.crt
[root@dlp ~]#
vi mod_ssl.ldif # create new dn: cn=config changetype: modify add: olcTLSCACertificateFile olcTLSCACertificateFile: /etc/openldap/certs/ca-bundle.crt - replace: olcTLSCertificateFile olcTLSCertificateFile: /etc/openldap/certs/server.crt - replace: olcTLSCertificateKeyFile olcTLSCertificateKeyFile: /etc/openldap/certs/server.key ldapmodify -Y EXTERNAL -H ldapi:/// -f mod_ssl.ldif SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 modifying entry "cn=config"[root@dlp ~]# systemctl restart slapd |
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