[BlueOnyx:12940] Re: Dovecot saslauthd pam

[David Hahn]

On 4/30/2013 9:40 AM, Ken Marcus wrote:
> On 4/30/2013 9:26 AM, Simone Capra wrote:
>> Hi All,
>> i have a problem with dovecot/sendmail auth:
>> i am running a bluequartz server which is not authenticating users anymore
>> i can see a lot of "dovecot-auth -w" processes stuck in the ps auxf output.
>>
>> I have already restarted the machine, the sendmail, dovecot, cced, saslauthd,
>> xinetd and more... but no chance...
>> Does anybody knows how to debug PAM issues? It seems a PAM issue...
>> Regards
>> Simone
>>
>>
>> _______________________________________________________
>>
>
> Probably  your server is suffering under a dictionary attack and it
> can't handle  the colume of requests. Check your mail logs.
>
service dovecot restart
should help. Then let the billion processes die.. Then block the ip 
attacking.

HTH
David