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System Administration Guide: Security Services

ProcedureHow to Reconfigure a Slave KDC to Use Incremental Propagation

  1. Add entries to krb5.conf.

    The new entries enable incremental propagation and set the poll time to 2 minutes.


    kdc2 # cat /etc/krb5/krb5.conf
[kdcdefaults]
        kdc_ports = 88,750

[realms]
        EXAMPLE.COM= {
                profile = /etc/krb5/krb5.conf
                database_name = /var/krb5/principal
                acl_file = /etc/krb5/kadm5.acl
                kadmind_port = 749
                max_life = 8h 0m 0s
                max_renewable_life = 7d 0h 0m 0s
                sunw_dbprop_enable = true
                sunw_dbprop_slave_poll = 2m
        }

  2. Add the kiprop principal to the krb5.keytab file.


    kdc2 # /usr/sbin/kadmin -p kws/admin
Enter password: <Type kws/admin password>
kadmin: ktadd kiprop/kdc2.example.com
Entry for principal kiprop/kdc2.example.com with kvno 3, encryption type AES-256 CTS mode
          with 96-bit SHA-1 HMAC added to keytab WRFILE:/etc/krb5/krb5.keytab.
Entry for principal kiprop/kdc2.example.com with kvno 3, encryption type AES-128 CTS mode
          with 96-bit SHA-1 HMAC added to keytab WRFILE:/etc/krb5/krb5.keytab.
Entry for principal kiprop/kdc2.example.com with kvno 3, encryption type Triple DES cbc
          mode with HMAC/sha1 added to keytab WRFILE:/etc/krb5/krb5.keytab.
Entry for principal kiprop/kdc2.example.com with kvno 3, encryption type ArcFour
          with HMAC/md5 added to keytab WRFILE:/etc/krb5/krb5.keytab.
Entry for principal kiprop/kdc2.example.com with kvno 3, encryption type DES cbc mode
          with RSA-MD5 added to keytab WRFILE:/etc/krb5/krb5.keytab.
kadmin: quit

  3. Restart kpropd.


    kdc2 # svcadm restart network/security/krb5_prop