[Dovecot] Authorization client connect failing

[Peter Nixon]

On Fri 05 Jan 2007 20:35, Timo Sirainen wrote:
> On 4.1.2007, at 15.29, Peter Nixon wrote:
> > Prior to the problem occurring I see the following in the logs:
> >
> > "dovecot: child 24628 (auth) killed with signal 6"
>
> This means it died with abort(). Which means that it really should
> have logged an error message before this line. Do you see it?

Oops. Sorry for the lack of detail.

I have the following in /var/log/mail:

Jan  4 11:12:25 server postfix/smtpd[6197]: connect from 
unknown[81.214.254.126]
Jan  4 11:12:33 server postfix/smtpd[6024]: warning: unknown[x.x.x.x]: SASL 
LOGIN authentication failed: Connection lost to authentication server
Jan  4 11:12:33 server postfix/smtpd[6024]: lost connection after AUTH from 
unknown[x.x.x.x]
Jan  4 11:12:33 server postfix/smtpd[6024]: disconnect from unknown[x.x.x.x]
Jan  4 11:12:36 server postfix/smtpd[6197]: warning: unknown[x.x.x.x]: SASL 
LOGIN authentication failed: Connection lost to authentication server
Jan  4 11:12:36 server postfix/smtpd[6197]: lost connection after AUTH from 
unknown[x.x.x.x]
Jan  4 11:12:36 server postfix/smtpd[6197]: disconnect from unknown[x.x.x.x]
Jan  4 11:12:47 server postfix/smtpd[6455]: connect from unknown[x.x.x.x]
Jan  4 11:12:48 server dovecot: auth(default): LDAP: ldap_result() failed: 
Can't contact LDAP server
Jan  4 11:12:48 server dovecot: pop3-login: Disconnected: Inactivity: 
method=PLAIN, rip=x.x.x.x, lip=y.y.y.y
Jan  4 11:12:48 server dovecot: auth(default): ldap(user): ldap_bind() 
failed: Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): ldap(user): ldap_bind() 
failed: Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): ldap(info): ldap_bind() 
failed: Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): ldap(smtp): ldap_bind() 
failed: Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): ldap(smtp): ldap_bind() 
failed: Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): ldap(smtp): ldap_bind() 
failed: Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): ldap(smtp): ldap_bind() 
failed: Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): ldap(smtp): ldap_bind() 
failed: Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): ldap(smtp): ldap_bind() 
failed: Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): ldap(smtp): ldap_bind() 
failed: Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): ldap(web): ldap_bind() failed: 
Invalid DN syntax
Jan  4 11:12:48 server dovecot: auth(default): key not found from hash
Jan  4 11:12:48 server postfix/smtpd[6455]: warning: unknown[x.x.x.x]: SASL 
LOGIN authentication failed:
Jan  4 11:12:48 server dovecot: pop3-login: Internal login failure: 
user=<user1 at domain.com>, method=PLAIN, rip=x.x.x.x, lip=y.y.y.y
Jan  4 11:12:48 server dovecot: pop3-login: Internal login failure: 
user=<user2 at domain.com>, method=PLAIN, rip=x.x.x.x, lip=y.y.y.y
Jan  4 11:12:48 server dovecot: pop3-login: Internal login failure: 
user=<user1 at domain.com>, method=PLAIN, rip=x.x.x.x, lip=y.y.y.y
Jan  4 11:12:48 server dovecot: child 24628 (auth) killed with signal 6

I have checked /var/log/messages and there is nothing logged by ldap just 
before or after this error.

The problem was solved with a dovecot restart.
slapd was NOT restarted.

Any ideas?

-- 

Peter Nixon
http://www.peternixon.net/
PGP Key: http://www.peternixon.net/public.asc
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