Apr 21 10:15:51 server krb5kdc[704]: AS_REQ (6 etypes {18 16 23 17 25 26}) 172.16.1.21: NEEDED_PREAUTH: nfs/client.sorrento.blz@SORRENTO.BLZ for krbtgt/SORRENTO.BLZ@SORRENTO.BLZ, Additional pre-authentication required Apr 21 10:15:51 server krb5kdc[704]: AS_REQ (6 etypes {18 16 23 17 25 26}) 172.16.1.21: ISSUE: authtime 1492762551, etypes {rep=18 tkt=18 ses=18}, nfs/client.sorrento.blz@SORRENTO.BLZ for krbtgt/SORRENTO.BLZ@SORRENTO.BLZ Apr 21 10:15:51 server krb5kdc[704]: TGS_REQ (6 etypes {18 17 16 23 25 26}) 172.16.1.21: ISSUE: authtime 1492762551, etypes {rep=18 tkt=18 ses=18}, nfs/client.sorrento.blz@SORRENTO.BLZ for nfs/server.sorrento.blz@SORRENTO.BLZ Apr 21 10:16:09 server krb5kdc[704]: AS_REQ (6 etypes {18 17 16 23 25 26}) 172.16.1.21: CLIENT_NOT_FOUND: ciccio@SORRENTO.BLZ for krbtgt/SORRENTO.BLZ@SORRENTO.BLZ, Client not found in Kerberos database Apr 21 10:17:01 server CRON[14399]: pam_unix(cron:session): session opened for user root by (uid=0) Apr 21 10:17:01 server CRON[14399]: pam_unix(cron:session): session closed for user root