I saw this today in messages log:
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[root@ns1 log]# tail -n1000 messages | grep -i fail
Mar 9 10:39:43 ns1 cced(smd)[9423]: client 0:[48:2651]: AUTHKEY to user ""
failed
Mar 9 10:39:46 ns1 cced(smd)[9424]: client 0:[48:2652]: AUTHKEY to user ""
failed
Mar 9 10:40:57 ns1 saslauthd[2386]: do_auth : auth failure:
[user=gilro4] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Mar 9 10:41:59 ns1 saslauthd[2374]: do_auth : auth failure:
[user=user1] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Mar 9 10:42:45 ns1 saslauthd[2375]: do_auth : auth failure:
[user=luser.o1] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Mar 9 10:42:56 ns1 saslauthd[2378]: do_auth : auth failure:
[user=user02] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Mar 9 10:43:09 ns1 saslauthd[2379]: do_auth : auth failure:
[user=luser.01] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Mar 9 10:44:10 ns1 saslauthd[2386]: do_auth : auth failure:
[user=luser.01] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Mar 9 10:45:10 ns1 saslauthd[2386]: do_auth : auth failure:
[user=luser.01] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
Mar 9 10:46:14 ns1 PAM_pwdb[9718]: authentication failure; (uid=0) ->
luser.o1 for dovecot service
Mar 9 10:46:17 ns1 PAM_pwdb[2374]: authentication failure; (uid=0) ->
luser.o1 for smtp service
Mar 9 10:46:18 ns1 saslauthd[2374]: do_auth : auth failure:
[user=katzir.01] [service=smtp] [realm=] [mech=pam] [reason=PAM auth error]
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Have anyone met this before? No changes to PAM were made.
TIA
Best,
--
Arthur Sherman
+972-52-4878851
http://www.cpt.co.il/