On 09/19/2012 10:48 PM, Rob Crittenden wrote:
Sigbjorn Lie wrote:
Hi,

I noticed an updated krb5-server package today advertising that it's
fixing the issue with slow GSSAPI binds discussed earlier, so I
installed it in my test environment, set SElinux back to enforcing in
/etc/sysconfig/selinux and rebooted.

The named daemon does not start now. The error below was logged in
/var/log/messages:

Sep 19 21:54:46 ipa01 named[3712]: GSSAPI Error: Unspecified GSS
failure.  Minor code may provide more information (KDC returned error
string: PROCESS_TGS)

I am able to start named after setting SElinux in permissive mode
(setenforce 0).

Then to verify: I stop all IPA services (ipactl stop), reenabled selinux
(setenforce 1), and start the IPA services (ipactl start). A new error
is logged in /var/log/messages:

Sep 19 22:00:49 ipa01 named[5918]: bind to LDAP server failed: Invalid
credentials
Sep 19 22:00:49 ipa01 named[5918]: loading configuration: permission denied
Sep 19 22:00:49 ipa01 named[5918]: exiting (due to fatal error)


 From the /var/log/krb5kdc.log:
Sep 19 21:54:46 ipa01.ix.test.com krb5kdc[3681](info): TGS_REQ (4 etypes
{18 17 16 23}) 192.168.210.20: PROCESS_TGS: authtime 0, <unknown client>
for <unknown server>, Cannot create replay cache file /var/tmp/krbtgt_0:
File exists
Sep 19 21:54:46 ipa01.ix.test.com krb5kdc[3681](info): TGS_REQ (4 etypes
{18 17 16 23}) 192.168.210.20: PROCESS_TGS: authtime 0, <unknown client>
for <unknown server>, Cannot create replay cache file /var/tmp/krbtgt_0:
File exists
Sep 19 21:54:46 ipa01.ix.test.com krb5kdc[3681](info): AS_REQ (4 etypes
{18 17 16 23}) 192.168.210.20: NEEDED_PREAUTH:
DNS/ipa01.ix.test....@ix.test.com for krbtgt/ix.test....@ix.test.com,
Additional pre-authentication required
Sep 19 21:54:46 ipa01.ix.test.com krb5kdc[3681](info): AS_REQ (4 etypes
{18 17 16 23}) 192.168.210.20: ISSUE: authtime 1348084486, etypes
{rep=18 tkt=18 ses=18}, DNS/ipa01.ix.test....@ix.test.com for
krbtgt/ix.test....@ix.test.com

/var/named/data/named.run logged nothing.



Any suggestions for how to troubleshoot this issue?

Pure guess, but:

restorecon /var/tmp/krbtgt_0

rob
Sorry, that did not help. There seem to be a new error in the messages file every time I attempt a named restart though. See below for the latest:

Sep 19 23:01:27 ipa01 named[12638]: default realm from krb5.conf (IX.TEST.COM) does not match tkey-gssapi-credential (DNS/ipa01.ix.test.com)
Sep 19 23:01:27 ipa01 named[12638]: configuring TKEY: failure
Sep 19 23:01:27 ipa01 named[12638]: loading configuration: failure
Sep 19 23:01:27 ipa01 named[12638]: exiting (due to fatal error)


Rgds,
Siggi

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