[Freeipa-users] Unable to enroll new client in DNS

Justin Lambert jlambert at letsevenup.com
Wed Oct 21 20:43:04 UTC 2015


I have been trying to register a new node in my FreeIPA server and it isn’t
adding DNS records.  The host itself gets registered, but DNS updates
during the ipa-client-install script fails.  The servers and the client are
both CentOS 7.1 running version 4.1.0-18.  Below is the output showing the
IPA server showing the host is registered, the zone allowing dynamic
updates, and an attempted DNS update from the new host.  I am able to get a
host ticket which seems to validate that the host is properly registered.
What am I missing or any other thoughts?

Thanks
jl


>From the IPA server:
$ ipa dnszone-show domain.com --all --rights
  dn: idnsname=domain.com.,cn=dns,dc=domain,dc=com
  Zone name: domain.com.
  Active zone: TRUE
  Authoritative nameserver: ipa1.domain.com.
  Administrator e-mail address: hostmaster.domain.com.
  SOA serial: 1445289950
  SOA refresh: 3600
  SOA retry: 900
  SOA expire: 1209600
  SOA minimum: 3600
  BIND update policy: grant DOMAIN.COM krb5-self * A; grant DOMAIN.COM
krb5-self * AAAA; grant DOMAIN.COM krb5-self * SSHFP;
  Dynamic update: TRUE
  Allow query: any;
  Allow transfer: none;
  Allow PTR sync: TRUE
  attributelevelrights: {u'sshfprecord': u'rscwo', u'cn': u'rscwo',
u'kxrecord': u'rscwo', u'nsec3paramrecord': u'rscwo', u'idnsallowtransfer':
u'rscwo', u'mxrecord': u'rscwo', u'idnsforwarders': u'rscwo',
u'idnssoarefresh': u'rscwo', u'idnsallowsyncptr': u'rscwo',
u'nsaccountlock': u'rscwo', u'idnsallowdynupdate': u'rscwo', u'mdrecord':
u'rscwo', u'arecord': u'rscwo', u'dlvrecord': u'rscwo',
u'idnsforwardpolicy': u'rscwo', u'ptrrecord': u'rscwo', u'idnssoaretry':
u'rscwo', u'nxtrecord': u'rscwo', u'idnsupdatepolicy': u'rscwo',
u'idnsallowquery': u'rscwo', u'idnsname': u'rscwo', u'afsdbrecord':
u'rscwo', u'idnssoamname': u'rscwo', u'dnsttl': u'rscwo',
u'idnszoneactive': u'rscwo', u'nsrecord': u'rscwo', u'locrecord': u'rscwo',
u'sigrecord': u'rscwo', u'idnssoaminimum': u'rscwo', u'dnsclass': u'rscwo',
u'aaaarecord': u'rscwo', u'rrsigrecord': u'rscwo', u'tlsarecord': u'rscwo',
u'hinforecord': u'rscwo', u'idnssoaexpire': u'rscwo',
u'idnssecinlinesigning': u'rscwo', u'cnamerecord': u'rscwo',
u'dnamerecord': u'rscwo', u'objectclass': u'rscwo', u'aci': u'rscwo',
u'certrecord': u'rscwo', u'srvrecord': u'rscwo', u'keyrecord': u'rscwo',
u'idnssoaserial': u'rscwo', u'dsrecord': u'rscwo', u'txtrecord': u'rscwo',
u'nsecrecord': u'rscwo', u'a6record': u'rscwo', u'naptrrecord': u'rscwo',
u'idnssoarname': u'rscwo', u'minforecord': u'rscwo'}
  mxrecord: 10 mail1.domain.com., 10 mail02.domain.com.
  nsrecord: ipa1.domain.com., ipa2.domain.com.
  objectclass: idnszone, top, idnsrecord

$ ipa host-show newhost
  Host name: newhost.domain.com
  Principal name: host/newhost.domain.com at DOMAIN.COM
  Password: False
  Member of host-groups: test
  Indirect Member of HBAC rule: test
  Keytab: True
  Managed by: newhost.domain.com
  SSH public key fingerprint:
35:31:77:48:F1:59:48:03:9F:63:80:D5:3B:3C:03:7F (ssh-rsa),
BE:3B:A5:CB:00:11:76:DD:C4:B7:D8:C4:87:3F:CA:1E
                              (ecdsa-sha2-nistp256),
D2:29:FE:7D:22:6A:8C:DF:E7:AA:D4:F8:07:65:6D:4B (ssh-ed25519)

----------------------------------------------------------------------------------------
On the new client:


$ cat dns_update.txt
debug
zone domain.com.
update delete newhost.domain.com. IN A
show
send
update add newhost.domain.com. 1200 IN A 172.123.123.123
show
send


$ /usr/bin/kinit -k -t /etc/krb5.keytab host/`hostname`@DOMAIN.COM
$ nsupdate -g /etc/ipa/dns_update.txt
Outgoing update query:
;; ->>HEADER<<- opcode: UPDATE, status: NOERROR, id:      0
;; flags:; ZONE: 0, PREREQ: 0, UPDATE: 0, ADDITIONAL: 0
;; ZONE SECTION:
;domain.com. IN SOA

;; UPDATE SECTION:
newhost.domain.com. 0 ANY A

Reply from SOA query:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id:  20269
;; flags: qr aa rd ra; QUESTION: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;domain.com. IN SOA

;; ANSWER SECTION:
domain.com. 86400 IN SOA ipa1.domain.com. hostmaster.domain.com. 1445289950
3600 900 1209600 3600

;; AUTHORITY SECTION:
domain.com. 86400 IN NS ipa1.domain.com.
domain.com. 86400 IN NS ipa2.domain.com.

;; ADDITIONAL SECTION:
ipa1.domain.com. 1200 IN A 172.123.123.120
ipa2.domain.com. 1200 IN A 172.123.123.121

Found zone name: domain.com
The master is: ipa1.domain.com
start_gssrequest
Found realm from ticket: DOMAIN.COM
send_gssrequest
Outgoing update query:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id:  16484
;; flags:; QUESTION: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; QUESTION SECTION:
;2667812275.sig-ipa1.domain.com. ANY TKEY

;; ADDITIONAL SECTION:
2667812275.sig-ipa1.domain.com. 0 ANY TKEY gss-tsig. 1445445558 1445445558
3 NOERROR 631 YIICcwYJKoZIhvcSAQICAQBuggJiMIICXqADAgEFoQMCAQ6iBwMFACAA
AACjggFmYYIBYjCCAV6gAwIBBaEJGwdJTkVVLlVToiQwIqADAgEBoRsw
GRsDRE5TGxJ1ZTFhLWlwYTAxLmluZXUudXOjggEkMIIBIKADAgESoQMC
AQKiggESBIIBDlqpCYbm7lCR05AcWuviLHSrYDD6LEwfhILsssYZAu/m
pBLrA8UK7JGBEu7MjkSrUHQnvAZF1uY0Ts9B8WXFAQtSoutV0YX95Syy
vWV8WuQqXdblmJrUHBewC9PsDfBMEMMFLRNnpw8XFnKVPg81m3UGo6RA
jdKOExJWOu5kY5+8oK4s0ZVNXolOs39poK70hDs8lrCrGPZwzAO0GnAt
yEejzh4ajyh8n2wLPdRVWkFP0pLZDv5KvTPy+Vm8FHjLZm0evLa7lZhu
lrjq5KU2kaLfuQwTCJQIfVnXwDm/+jzVstHQVmzKjgJyY3xm7FFdrmv9
160uh6qxpzlux3Te5Tnil0J3yK7FTtt61q8Pq6SB3jCB26ADAgESooHT
BIHQKjcpMj4qJ8bK157Oqv7iOBsIUQ2pPCKfDYqvFlmC0u8LreIoEmFf
SzABdQzsY09mQUoXB7CWoX8DSkwMBfQ13YsPIOdcjTxNRLAOeMxOLVE8
zxQV0RTbBRj9cgrF1fs68w2QmdIQuUAZ1YyCsWfG4nqSbrkr3agg1Wdz
PIoo5CO7npU4tVgAN7a5zvrSBHVdTp5zrxe3KFDw0cEkFJ6Jf1XtNUt0
UuSQRFi7NQBmrBgoCnxEkmBzwBogQ4cxjGj14xvzjJxNe7vISylb32t6 GQ== 0

recvmsg reply from GSS-TSIG query
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id:  16484
;; flags: qr ra; QUESTION: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;2667812275.sig-ipa1.domain.com. ANY TKEY

;; ANSWER SECTION:
2667812275.sig-ipa1.domain.com. 0 ANY TKEY gss-tsig. 0 0 3 BADKEY 0  0

dns_tkey_negotiategss: TKEY is unacceptable
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