(RADIATOR) Strange Authentication Failures ... file descriptors breaking?

[Steven Petmecky]

Good day.

Every so often, about twice a week at totally random times and on totally random days, all authentication stops working, on all Auth types and Realms. The log files then fill up with this:

Mon Jun 25 10:16:34 2001: INFO: Access rejected for ccchuck: No such user
Mon Jun 25 10:16:34 2001: INFO: Access rejected for chebd: No such user
Mon Jun 25 10:16:35 2001: INFO: Access rejected for brichard: No such user
Mon Jun 25 10:16:46 2001: INFO: Access rejected for zrocks: No such user
Mon Jun 25 10:16:47 2001: INFO: Access rejected for ftac: No such user
Mon Jun 25 10:16:58 2001: INFO: Access rejected for bobapts: No such user
Mon Jun 25 10:17:24 2001: INFO: Access rejected for bigboy: No such user
Mon Jun 25 10:17:26 2001: INFO: Access rejected for fatc: No such user
Mon Jun 25 10:18:39 2001: INFO: Access rejected for hajc: No such user

...indicating that Radiator thinks all its database files are blank or something? If I kill the process, the restart wrapper fires it right back up again, and all is well. The sheer volume of turning on tracelevel 4, coupled with the sporatic and infrequent nature of this problem make catching the instance of failure, and analyzing it, problematic in the extreme. The only solution I can think of is writing up a crontab to constantly kill and restart the server, to prevent it getting stuck in this weird mode. The server is still responding, it just can't authenticate anyone. As a result, our routers do not failover to the backup server, so all authentication stops.

What can I do? Has anyone else seen this problem?

We are running Radiator-2.18.1 on FreeBSD 4.2-RELEASE.

Steven Petmecky
petmecky at accessus.net

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