I'm running Web Agent, which protects a resource with Kerberos
Authentication scheme, and suddenly, the authentication doesn't work
anymore and the Web Agent reports error :
@ Sun, 30 Sep 2018 02:09:41 +000
 1538273381.162330: Getting initial credentials for
 1538273381.162602: Setting initial creds service to
 1538273381.162700: Couldn't lookup etypes in keytab:
 1538273381.260416: Retrieving
FILE:/etc/wa.keytab (vno 0, enctype rc4-hmac) with result:
 1538273381.260425: Preauth module encrypted_timestamp (2)
(flags=1) returned: 13/Permission denied
How can I fix this ?
We noted that the Web Agent OS date and time was in the future.
We changed the time back two days ago by restarting the ntp client on
the machine and the network clock set it as per the other machines to
Fri, 28 Sep 2018 11:47:01 +0000, and the permission denied issue
 1538135221.803975: Selected etype info: etype rc4-hmac, salt
"", params ""
 1538135221.804095: Retrieving
FILE:/etc/wa.keytab (vno 0, enctype rc4-hmac) with result: 0/Success
 1538135221.804186: AS key obtained for encrypted timestamp:
KB : KB000118667