[Dovecot] authentication methods : pam, passwd and then backup question. How to restrict the methods

[Pascal Volk]

On 01/25/2011 05:50 PM J4K wrote:
> 
> Dear all,
> 
>     I noticed that incoming users were attempting to authenicate using
> several methods like pam sql. Eventually, they logged in.
> Is there a way for dovecot to only query a mysql backup for users, and
> skip the other methods?
> 
> Examples from logs (via Roundcube webmail in this case, but the same
> messages appear with port 993)
> 
> Jan 25 17:22:17 srv dovecot: auth-worker(default):
> pam(aa at bb.co.uk,127.0.0.1): pam_authenticate() failed: Authentication
> failure (password mismatch?)
> Jan 25 17:22:17 srv dovecot: auth(default):
> passwd(aa at bb.co.uk,127.0.0.1): unknown user
> Jan 25 17:22:17 srv dovecot: imap-login: Login: user=<aa at bb.co.uk>,
> method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
> 
> As shown above, the user uses pam, passwd and then finally the user
> account fetched from mysql.
> 
> The distribution is Debian Squeeze.
> 

Configure only the userdb and passdb you want to use and remove all
other. You forgot to show your `doveconf -n`/`dovecot -n` output.


Regards,
Pascal
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The trapper recommends today: c01dcofe.1102517 at localdomain.org