Re: [Dovecot] auth trouble

2012-06-08 Thread Timo Sirainen
On 6.6.2012, at 2.08, Glenn English wrote: And these brute force attempts would be logged, each one. They are, with no rhost. And there are other brute force attempts that *do* have IPs. I think the answer to this is simply that Dovecot v1.0 didn't tell PAM the rhost. Upgrade.

Re: [Dovecot] auth trouble

2012-06-08 Thread Glenn English
On Jun 8, 2012, at 10:25 AM, Timo Sirainen wrote: I think the answer to this is simply that Dovecot v1.0 didn't tell PAM the rhost. Upgrade. Will do. What you say fits with what I see in the logs and is a lot simpler than many other suggestions. And you do have some credibility in this

Re: [Dovecot] auth trouble

2012-06-05 Thread Glenn English
On Jun 4, 2012, at 8:45 PM, Joseph Tam wrote: If dovecot-auth is getting input from a local socket, then rhost information is irrelevant since the host doing the asking is the server itself (maybe from another daemon connected to a remote host). Thanks for the confirmation of my

Re: [Dovecot] auth trouble

2012-06-05 Thread /dev/rob0
On Tue, Jun 05, 2012 at 09:38:49AM -0600, Glenn English wrote: On Jun 4, 2012, at 8:45 PM, Joseph Tam wrote: If dovecot-auth is getting input from a local socket, then rhost information is irrelevant since the host doing the asking is the server itself (maybe from another daemon connected

Re: [Dovecot] auth trouble

2012-06-05 Thread Joseph Tam
Glenn English wrote: Maybe someone is brute forcing your server's Postfix authenticated SMTP service since Postfix can be configured to use Dovecot's SASL authentication framework. and for the suggestion -- I do have Postfix using Dovecot-Auth checking for SASL. I think I'm going to

Re: [Dovecot] auth trouble

2012-06-05 Thread Glenn English
On Jun 5, 2012, at 3:53 PM, /dev/rob0 wrote: What suspicions were confirmed? At first I thought that somebody was TCP'ing in and somehow turning off the remote IP in the log so I couldn't block it. Then an answer from another mailing list, and a little thinking, made it occur to me that

Re: [Dovecot] auth trouble

2012-06-04 Thread Joseph Tam
Glenn English writes: I'm getting a lot of what I think is a local socket asking dovecot:auth to verify username/passwords: May 31 09:00:54 server dovecot-auth: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost= If dovecot-auth is getting

[Dovecot] auth trouble

2012-06-01 Thread Glenn English
Debian Lenny, Dovecot v 1.0.15. I'm getting a lot of what I think is a local socket asking dovecot:auth to verify username/passwords: May 31 09:00:54 server dovecot-auth: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost= Note the empty

Re: [Dovecot] auth trouble

2012-06-01 Thread Glenn English
I forgot to include this config info: # 1.0.15: /etc/dovecot/dovecot.conf log_timestamp: %Y-%m-%d %H:%M:%S protocols: imap pop3 ssl_listen: * ssl_disable: yes disable_plaintext_auth: no login_dir: /var/run/dovecot/login login_executable(default): /usr/lib/dovecot/imap-login