Why does this happen?

Tom Yu tlyu at MIT.EDU
Wed Oct 25 15:32:37 EDT 2006


>>>>> "lizhong" == lizhong  <lizhong at ncic.ac.cn> writes:

lizhong> Oct 19 10:54:29 gdnode001 krb5kdc[8478](info): setting up network...
lizhong> Oct 19 10:54:29 gdnode001 krb5kdc[8478](info): skipping unrecognized local address family 17
lizhong> Oct 19 10:54:29 gdnode001 krb5kdc[8478](info): listening on fd 7: udp 192.168.100.100.88
lizhong> Oct 19 10:54:29 gdnode001 krb5kdc[8478](info): listening on fd 8: udp fe80::230:48ff:fe22:36f7%eth0.88
lizhong> Oct 19 10:54:29 gdnode001 krb5kdc[8478](info): set up 2 sockets
lizhong> Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): commencing operation
lizhong> Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): AS_REQ (7 etypes {18 17 16 23 1 3 2}) 192.168.100.100: CLIENT_NOT_FOUND: test/admin at stg.com for krbtgt/stg.com at stg.com, Client not found in Kerberos database
lizhong> Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): DISPATCH: repeated (retransmitted?) request from 192.168.100.100, resending previous response
lizhong> Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): DISPATCH: repeated (retransmitted?) request from 192.168.100.100, resending previous response
lizhong> Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): DISPATCH: repeated (retransmitted?) request from 192.168.100.100, resending previous response

lizhong> For some reason, the kdc server(192.168.100.100) failed to
lizhong> find the client test/admin at stg.com , then the log message "
lizhong> DISPATCH: repeated (retransmitted?) request from
lizhong> 192.168.100.100, resending previous response " was generated
lizhong> every second till the log file became over large.  Could
lizhong> someone help me to avoid this? Thank you!

This looks like you have kinit or some related process on the KDC host
(note the IP addresses) getting stuck in a tight loop sending repeated
AS_REQ messages to the KDC.  Your log shows far more than one request
per second.

What OS, and what version of krb5?

---Tom



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