Thanks for your help!
> This is coming from an attempt to get a Kerberos service ticket using
> credentials for the user you are using to enroll this machine. Since you
> are passing '-w$password' and not any specific principal, this means it
> is the machine itself, hence we see
I'm passing -phost-enrollment (host-enrollment is the user for the password in
-w), should I be adding something more?
> 'TGT has been revoked' error comes from your KDC on IPA master. Please check
> /var/log/krb5kdc.log on IPA server you connected to for this deployment.
> There should be one of explaining messages prior to rejection. It might
> be prefixed with 'PAC issue:' string
There's nothing around this exact time, the only bits regarding a specific
failed host that I could find are:
krb5kdc[4526](info): AS_REQ (6 etypes {aes256-cts-hmac-sha1-96(18),
aes256-cts-hmac-sha384-192(20), camellia256-cts-cmac(26),
aes128-cts-hmac-sha1-96(17), a
es128-cts-hmac-sha256-128(19), camellia128-cts-cmac(25)}) 172.22.2.123:
NEEDED_PREAUTH: host/ip-172-22-2-123....@example.com for
krbtgt/example....@example.com, Additional pre-authentication required
krb5kdc[4526](info): closing down fd 4
krb5kdc[4525](info): AS_REQ (6 etypes {aes256-cts-hmac-sha1-96(18),
aes256-cts-hmac-sha384-192(20), camellia256-cts-cmac(26),
aes128-cts-hmac-sha1-96(17), aes128-cts-hmac-sha256-128(19),
camellia128-cts-cmac(25)}) 172.22.2.123: ISSUE: authtime 1669105826, etypes
{rep=aes256-cts-hmac-sha1-96(18), tkt=aes256-cts-hmac-sha1-96(18),
ses=aes256-cts-hmac-sha1-96(18)}, host/ip-172-22-2-123....@example.com for
krbtgt/example....@example.com
(Different host in the logs above than before, but we had this issue again this
morning and it was easier to look up that older logs).
In terms of errors, the only one I could find in the logs was:
krb5kdc[27486](Error): PAC issue: ipadb_get_principal failed.
This was logged right before the whole set of instances got their errors.
I did also notice that the some of the same hostnames exist in older Kerberos
logs (hostnames will get repeated in our cloud env every now and then), could
this be the cause? A host with a previously used hostname trying to enrol
again? We have an automated process in place that calls host-del to IPA when an
instance is terminated to delete it and its data from IPA, but maybe we should
be clearing something from Kerberos directly too?
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