OpenLDAP : LDAP over SSL/TLS2018/06/05 |
Configure LDAP over SSL/TLS to make connection be secure.
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[1] | |
[2] | Configure LDAP Server. |
root@dlp:~#
cp /etc/ssl/private/server.key \ /etc/ssl/private/server.crt \ /etc/ssl/certs/ca-certificates.crt \ /etc/ldap/sasl2/ root@dlp:~# chown openldap. /etc/ldap/sasl2/server.key \
/etc/ldap/sasl2/server.crt \ /etc/ldap/sasl2/ca-certificates.crt
root@dlp:~#
vi mod_ssl.ldif # create new dn: cn=config changetype: modify add: olcTLSCACertificateFile olcTLSCACertificateFile: /etc/ldap/sasl2/ca-certificates.crt - replace: olcTLSCertificateFile olcTLSCertificateFile: /etc/ldap/sasl2/server.crt - replace: olcTLSCertificateKeyFile olcTLSCertificateKeyFile: /etc/ldap/sasl2/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" |
[3] | Configure LDAP Client If you'd like to make sure the connection between LDAP server and client is encrypted, use tcpdump and other network capture software on LDAP server. |
root@www:~#
echo "TLS_REQCERT allow" >> /etc/ldap/ldap.conf
root@www:~#
vi /etc/ldap.conf # line 261: uncomment ssl start_tls
root@www:~#
logout www login: ubuntu # LDAP user Password: Last login: Tue Jun 5 11:22:06 JST 2018 on ttyS0 Welcome to Ubuntu 18.04 LTS (GNU/Linux 4.15.0-20-generic x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage System information as of Tue Jun 5 15:05:32 JST 2018 System load: 0.0 Processes: 93 Usage of /: 6.4% of 28.45GB Users logged in: 0 Memory usage: 3% IP address for ens3: 10.0.0.31 Swap usage: 0% * Meltdown, Spectre and Ubuntu: What are the attack vectors, how the fixes work, and everything else you need to know - https://ubu.one/u2Know 16 packages can be updated. 8 updates are security updates. ubuntu@www:~$ # logined |
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