SSSD/Kerberos/LDAP Authentication: Difference between revisions
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###: '''''kdc = dc3.<AD DOMAIN>''''' | ###: '''''kdc = dc3.<AD DOMAIN>''''' | ||
###: '''''kdc = dc4.<AD DOMAIN>''''' | ###: '''''kdc = dc4.<AD DOMAIN>''''' | ||
###: admin_server = <AD DOMAIN>''''' | ###: admin_server = '''''<AD DOMAIN>''''' | ||
###: } | ###: } | ||
###:[domain_realm] | ###:[domain_realm] | ||
###: '''''.<ad domain> = <AD DOMAIN>''''' | ###: '''''.<ad domain> = <AD DOMAIN>''''' | ||
###: '''''<ad domain> = <AD DOMAIN>'''''</tt> | ###: '''''<ad domain> = <AD DOMAIN>'''''</tt> | ||
===Configure Samba=== |
Revision as of 16:31, 21 July 2016
Install Required Packages
- RHEL6: Install the following packages.
- # yum install sssd krb5-workstation samba-common authconfig oddjob oddjob-mkhomedir openldap-clients ipa-client sssd-common krb5-devel
- RHEL7: Install the following packages
- # yum install sssd krb5-workstation samba-common authconfig oddjob oddjob-mkhomedir openldap-clients sssd-libwbclient sssd-tools ipa-client sssd-common krb5-devel
- UBUNTU: Install the following packages
- $ sudo apt-get install krb5-user krb5-config samba sssd ntp nscd libpam-sss libnss-sss sssd-tools sssd-ad libpam-modules
Configure Kerberos
- Gather the list of KDCs for the realm, the KDCs are bold italic.
- # nslookup -type=SRV _kerberos._tcp.<domain in lowercase>
- Output of previous command:
- Server: <ip address>
- Address: <ip address>#53
- _kerberos._tcp.<domain in lowercase> service = 0 100 88 dc1.<domain in lowercase>.
- _kerberos._tcp.<domain in lowercase> service = 0 100 88 dc2.<domain in lowercase>.
- _kerberos._tcp.<domain in lowercase> service = 0 100 88 dc3.<domain in lowercase>.
- _kerberos._tcp.<domain in lowercase> service = 0 100 88 dc4.<domain in lowercase>.
- # nslookup -type=SRV _kerberos._tcp.<domain in lowercase>
- Create a backup of the /etc/krb5.conf file.
- # cp -p /etc/krb5.conf{,.bak}
- Modify the /etc/krb5.conf file as follows, changes are bold italic.
- [logging]
- default = FILE:/var/log/krb5libs.log
- kdc = FILE:/var/log/krb5kdc.log
- admin_server = FILE:/var/log/kadmind.log
- [libdefaults]
- default_realm = <AD DOMAIN>
- dns_lookup_realm = false
- dns_lookup_kdc = false
- ticket_lifetime = 24h
- renew_lifetime = 7d
- forwardable = true
- [realms]
- <AD DOMAIN> = {
- kdc = dc1.<AD DOMAIN>
- kdc = dc2.<AD DOMAIN>
- kdc = dc3.<AD DOMAIN>
- kdc = dc4.<AD DOMAIN>
- admin_server = <AD DOMAIN>
- }
- [domain_realm]
- .<ad domain> = <AD DOMAIN>
- <ad domain> = <AD DOMAIN>