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i have krb5 kdc server with ldap backend.
$ kinit -R
kinit(v5): Ticket expired while renewing credentials
$ kinit -r 7d -l 2d
Password for f_anton@DOMAIN.MY:
$ klist -f
Ticket cache: FILE:/tmp/krb5cc_1013_s1kvrE
Default principal: f_anton@DOMAIN.MY
Valid starting Expires Service principal
08/20/10 19:54:27 08/21/10 19:54:27 krbtgt/DOMAIN.MY@DOMAIN.MY
renew until 08/20/10 19:54:27, Flags: RI
Valid starting = renew until.
in kadmin.local:
kadmin.local: getprinc f_anton
[..]
Maximum ticket life: 2 days 00:00:00
Maximum renewable life: 28 days 00:00:00
[..]
Attributes:
Policy: default
kadmin.local: getpol default
Policy: default
Maximum password life: 157766400
Minimum password life: 86400
Minimum password length: 6
Minimum number of password character classes: 2
Number of old keys kept: 3
Reference count: 2
==========
kdc.conf:
[realms]
DOMAIN.MY = {
master_key_type = des-cbc-crc
supported_enctypes = rc4-hmac:normal des-cbc-crc:normal des3-cbc-raw:normal des3-cbc-sha1:normal des-cbc-crc:afs3
max_renewable_life = 7d 0h 0m 0s
max_life = 2d 0h 0m 0s
default_principal_flags = +renewable
krbMaxTicketLife = 172800
krbMaxRenewableAge = 604800
}
==========
krb5.conf:
[libdefaults]
default_realm = DOMAIN.MY
dns_lookup_realm = false
dns_lookup_kdc = false
ticket_lifetime = 2d
renew_lifetime = 7d
[dbdefaults]
ldap_kerberos_container_dn = "cn=kerberos,ou=kdcroot,dc=domain,dc=my"
[dbmodules]
domain.my = {
db_library = kldap
ldap_kdc_dn = cn=kdc,ou=kdcroot,dc=domain,dc=my
ldap_kadmind_dn = cn=kadmin,ou=kdcroot,dc=domain,dc=my
ldap_service_password_file = /var/lib/kerberos/krb5kdc/domain.my.ldapkey
ldap_servers = ldap://localhost/
ldap_conns_per_server = 15
}
[realms]
DOMAIN.MY = {
database_module = domain.my
default_domain = domain.my
krbMaxTicketLife = 172800
krbMaxRenewableAge = 604800
}
=============