SSSD/Kerberos/LDAP Authentication: Difference between revisions
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:::Output of previous command: | :::Output of previous command: | ||
:::<tt>Server: <ip address> | :::<tt>Server: <ip address> | ||
:::Address: <ip address>#53 | :::Address: <ip address>#53<br /><br /> | ||
:::_kerberos._tcp.<domain in lowercase> service = 0 100 88 '''''dc1.<domain in lowercase>'''''. | :::_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 '''''dc2.<domain in lowercase>'''''. |
Revision as of 16:22, 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>.
- 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 highlighted in yellow.