[BlueOnyx:07538] Re: active monitor warnings regarding ftp

[Darrell D. Mobley]

> -----Original Message-----
> From: blueonyx-bounces at mail.blueonyx.it [mailto:blueonyx-
> bounces at mail.blueonyx.it] On Behalf Of Florian Arzberger
> Sent: Friday, June 24, 2011 6:35 AM
> To: blueonyx at mail.blueonyx.it
> Subject: [BlueOnyx:07537] active monitor warnings regarding ftp
> 
> hi,
> 
> every night i get active monitor warnings at around 2.45 telling me that
> ftp
> is down and could not be restarted, a few minutes later ftp gets back up
> again. my guess is that the mails are related to some nightly cron stuff,
> but i don't know why exactly they are triggered. does anyone know the
> problem and how to work around it?

Since ProFTP uses the PAM authentication database, DDOS email attacks
against your email server are probably the culprit.  Look in your /var/log/
directory for files showing lots attempts to login to email and failed.
That bullocks up Dovecot. 

If you haven't installed Dfix by Compass Networks, it can help cut down on
that.