Hello all,
    I left the kdc server running for the whole night, and this morning I found 
the kdc server has already been down. The reason for this is that the 
/var/log/krb5kdc.log file beacame too large, over 2G. I deleted it and started 
the server again, and the log file was like this:
Oct 19 10:54:29 gdnode001 krb5kdc[8478](info): setting up network...
Oct 19 10:54:29 gdnode001 krb5kdc[8478](info): skipping unrecognized local 
address family 17
Oct 19 10:54:29 gdnode001 krb5kdc[8478](info): listening on fd 7: udp 
192.168.100.100.88
Oct 19 10:54:29 gdnode001 krb5kdc[8478](info): listening on fd 8: udp 
fe80::230:48ff:fe22:36f7%eth0.88
Oct 19 10:54:29 gdnode001 krb5kdc[8478](info): set up 2 sockets
Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): commencing operation
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/[EMAIL PROTECTED] for 
krbtgt/[EMAIL PROTECTED], Client not found in Kerberos database
Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): DISPATCH: repeated 
(retransmitted?) request from 192.168.100.100, resending previous response
Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): DISPATCH: repeated 
(retransmitted?) request from 192.168.100.100, resending previous response
Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): DISPATCH: repeated 
(retransmitted?) request from 192.168.100.100, resending previous response
Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): DISPATCH: repeated 
(retransmitted?) request from 192.168.100.100, resending previous response
Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): DISPATCH: repeated 
(retransmitted?) request from 192.168.100.100, resending previous response
Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): DISPATCH: repeated 
(retransmitted?) request from 192.168.100.100, resending previous response
Oct 19 10:54:29 gdnode001 krb5kdc[8483](info): DISPATCH: repeated 
(retransmitted?) request from 192.168.100.100, resending previous response

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

--
Li Zhong
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