SSSD/Kerberos/LDAP Authentication: Difference between revisions
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Address: <ip address>#53 | Address: <ip address>#53 | ||
_kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">dc1.<domain in lowercase | _kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">dc1.<domain in lowercase>. | ||
_kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">dc2.<domain in lowercase | _kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">dc2.<domain in lowercase>. | ||
_kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">dc3.<domain in lowercase | _kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">dc3.<domain in lowercase>. | ||
_kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">dc4.<domain in lowercase | _kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">dc4.<domain in lowercase>. | ||
</pre> | </pre> | ||
#Create a backup of the /etc/krb5.conf file. | #Create a backup of the /etc/krb5.conf file. | ||
##<tt>'''# cp -p /etc/krb5.conf{,.bak}'''</tt> | ##<tt>'''# cp -p /etc/krb5.conf{,.bak}'''</tt> | ||
##Modify the /etc/krb5.conf file as follows, changes are highlighted in yellow. | ##Modify the /etc/krb5.conf file as follows, changes are highlighted in yellow. | ||
Revision as of 16:16, 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
Configure Kerberos
- Gather the list of KDCs for the realm.
- # 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 <span style="background:yellow">dc1.<domain in lowercase>. _kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">dc2.<domain in lowercase>. _kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">dc3.<domain in lowercase>. _kerberos._tcp.<domain in lowercase> service = 0 100 88 <span style="background:yellow">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.