Ldap kdb5_util dump提供服务器错误
我一直试图使用kdb5_util dump(文件名)转储Kerberos数据库(ldap后端),但我得到:Ldap kdb5_util dump提供服务器错误,ldap,kerberos,kdc,Ldap,Kerberos,Kdc,我一直试图使用kdb5_util dump(文件名)转储Kerberos数据库(ldap后端),但我得到: kdb5_util load_dump version 6 kdb5_util: error performing Kerberos version 5 release 1.8 dump (Server error) policy default 0 0 1 1 1 0 0 0 0 K
kdb5_util load_dump version 6
kdb5_util: error performing Kerberos version 5 release 1.8 dump (Server error)
policy default 0 0 1 1 1 0 0 0 0
Kerberos KDC和Kadmin日志没有任何内容,ldap.log提供
5月31日12:40:17 kdc slapd[28020]:连接输入:conn=1091延迟操作:绑定
其他一切都很好,创建、删除、主体身份验证都没有问题。仅转储数据库失败。据我所知,后端不应该对转储有任何影响
有没有办法调试或修复这个问题?我错过了什么
/etc/krb5.conf
[libdefaults]
default_realm = REALM.EXAMPLE.COM
kdc_timesync = 1
ccache_type = 4
forwardable = true
proxiable = true
[realms]
REALM.EXAMPLE.COM = {
kdc = kdc.realm.example.com
admin_server = kdc.realm.example.com
kpasswd_server = kdc.realm.example.com
}
[domain_realm]
.realm.example.com = REALM.EXAMPLE.COM
/etc/krb5kdc/kdc.conf
[realms]
REALM.EXAMPLE.COM = {
default_domain = realm.example.com
database_module = ldapconf
acl_file = /etc/krb5kdc/kadm5.acl
key_stash_file = /etc/krb5kdc/.master
max_life = 10h 0m 0s
max_renewable_life = 7d 0h 0m 0s
master_key_type = aes256-cts
supported_enctypes = aes256-cts-hmac-sha1-96:normal
#aes128-cts-hmac-sha1-96:normal arcfour-hmac:normal
default_principal_flags = +preauth
pkinit_identity = FILE:/etc/krb5kdc/kdc-cert.pem,/etc/krb5kdc/.kdc-key.pem
pkinit_anchors = FILE:/etc/krb5kdc/ca-cert.pem
dict_file = /root/bad_passwords.dict
}
[dbmodules]
ldapconf = {
db_library = kldap
ldap_kerberos_container_dn = "cn=kerberos,dc=realm,dc=example,dc=com"
ldap_kdc_dn = "cn=kerberos-kdc,dc=realm,dc=example,dc=com"
ldap_kadmind_dn = "cn=kerberos-admin,dc=realm,dc=example,dc=com"
ldap_servers = ldapi:///
ldap_service_password_file = /etc/krb5kdc/.service
}
[logging]
kdc = FILE:/var/log/kerberos/kdc.log
admin_server = FILE:/var/log/kerberos/kadmin.log
default = FILE:/var/log/kerberos/kerberos.log
最后调试后发现问题: LDAP后端对搜索请求的硬大小限制为500。有501个用户在背后咬我 修正:
应用、重新启动slapd并将其转储终于找到了问题:LDAP后端对搜索请求的硬大小限制为500。有501个用户在背后咬我!修正:
#
# remove sizelimit for ldap search
#
# apply with ldapmodify -Y EXTERNAL -H ldapi:/// -f sizelimit.ldif
#
dn: olcDatabase={1}hdb,cn=config
changetype: modify
add: olcLimits
olcLimits: dn.exact="cn=kerberos-admin,dc=realm,dc=example,dc=com" size=unlimited