thr3ads.net - dovecot - auth-worker unknown user [Apr 2019]

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Laura Smith

2019-Apr-11 12:36 UTC

auth-worker unknown user

pam(foobar at example.com,192.0.1.1,<9zMTUUCGNfHZzMpL>): unknown user
(SHA1 of given password: ff75068c2f4d700a49dae204d56477a5ffa5d23d)


The password is correct, i.e. 'echo -n 'passed' | openssl dgst
-sha1' matches.

The user is setup correctly in /etc/dovecot/users (the /etc/dovecot/users was
copied from another known-good server, so the syntax is correct and appropriate
adjustments have been made for chmod and directory).

doveconf -N follows:

# 2.3.3 (dcead646b): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.3 (f018bbab)
# OS: Linux 4.12.14-lp150.12.48-default x86_64
# Hostname: foobar
auth_mechanisms = plain login
auth_verbose = yes
auth_verbose_passwords = sha1
doveadm_password = # hidden, use -P to show it
first_valid_uid = 471
imapc_features = rfc822.size fetch-headers
imapc_host = foobar.example.com
imapc_password = # hidden, use -P to show it
imapc_port = 993
imapc_ssl = imaps
imapc_user = %u
mail_location = maildir:~/Maildir
mail_plugin_dir = /usr/lib64/dovecot/modules
mail_prefetch_count = 20
mailbox_list_index = yes
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope encoded-character
vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy
include variables body environment mailbox date ihave enotify
namespace inbox {
  inbox = yes
  location   mailbox Drafts {
    special_use = \Drafts
  }
  mailbox Junk {
    special_use = \Junk
  }
  mailbox Sent {
    special_use = \Sent
  }
  mailbox "Sent Messages" {
    special_use = \Sent
  }
  mailbox Trash {
    special_use = \Trash
  }
  prefix }
passdb {
  driver = pam
  name }
plugin {
  sieve = file:~/.dovecot.sieve
}
protocols = imap lmtp
service auth {
  unix_listener /var/spool/postfix/private/dovecot-auth {
    group = postfix
    mode = 0660
    user = postfix
  }
}
service imap-login {
  process_min_avail = 3
}
service lmtp {
  process_min_avail = 5
  unix_listener /var/spool/postfix/private/dovecot-lmtp {
    group = postfix
    mode = 0660
    user = postfix
  }
  user = my_virtmailuser
}
service managesieve-login {
  inet_listener sieve {
    port = 4190
  }
  inet_listener sieves {
    address     port = 5190
    ssl = yes
  }
}
ssl = required
ssl_ca = </etc/dovecot/ssl/certbot_ca.pem
ssl_cert = </etc/dovecot/ssl/certbot.pem
ssl_cipher_list =
ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS
ssl_client_ca_dir = /etc/ssl/certs
ssl_dh = # hidden, use -P to show it
ssl_key = # hidden, use -P to show it
ssl_min_protocol = TLSv1.2
ssl_options = no_compression
ssl_prefer_server_ciphers = yes
userdb {
  driver = passwd
  name }
userdb {
  args = scheme=ARGON2ID username_format=%u /etc/dovecot/users
  auth_verbose = yes
  driver = passwd-file
  name }
protocol lmtp {
  mail_plugins = sieve
  postmaster_address = foobar at example.com
}
protocol lda {
  deliver_log_format = msgid=%m: %$
  mail_plugins = sieve
  postmaster_address = postmaster
  quota_full_tempfail = yes
  rejection_reason = Your message to <%t> was automatically rejected:%n%r
}
protocol imap {
  mail_max_userip_connections = 20
}

Aki Tuomi

2019-Apr-11 13:02 UTC

head link

auth-worker unknown user

<!doctype html>
<html>
 <head> 
  <meta charset="UTF-8"> 
 </head>
 <body>
  <div>
   PAM is trying to lookup user@domain while you probably only have user. PAM
driver does not yet support username_format.
  </div>
  <div>
   <br>
  </div>
  <div>
   Aki
  </div>
  <blockquote type="cite">
   <div>
    On 11 April 2019 15:36 Laura Smith via dovecot <
    <a
href="mailto:dovecot@dovecot.org">dovecot@dovecot.org</a>>
wrote:
   </div>
   <div>
    <br>
   </div>
   <div>
    <br>
   </div>
   <div>
    pam(
    <a
href="mailto:foobar@example.com">foobar@example.com</a>,192.0.1.1,<9zMTUUCGNfHZzMpL>):
unknown user (SHA1 of given password: ff75068c2f4d700a49dae204d56477a5ffa5d23d)
   </div>
   <div>
    <br>
   </div>
   <div>
    <br>
   </div>
   <div>
    The password is correct, i.e. 'echo -n 'passed' | openssl dgst
-sha1' matches.
   </div>
   <div>
    <br>
   </div>
   <div>
    The user is setup correctly in /etc/dovecot/users (the /etc/dovecot/users
was copied from another known-good server, so the syntax is correct and
appropriate adjustments have been made for chmod and directory).
   </div>
   <div>
    <br>
   </div>
   <div>
    doveconf -N follows:
   </div>
   <div>
    <br>
   </div>
   <div>
    # 2.3.3 (dcead646b): /etc/dovecot/dovecot.conf
   </div>
   <div>
    # Pigeonhole version 0.5.3 (f018bbab)
   </div>
   <div>
    # OS: Linux 4.12.14-lp150.12.48-default x86_64
   </div>
   <div>
    # Hostname: foobar
   </div>
   <div>
    auth_mechanisms = plain login
   </div>
   <div>
    auth_verbose = yes
   </div>
   <div>
    auth_verbose_passwords = sha1
   </div>
   <div>
    doveadm_password = # hidden, use -P to show it
   </div>
   <div>
    first_valid_uid = 471
   </div>
   <div>
    imapc_features = rfc822.size fetch-headers
   </div>
   <div>
    imapc_host = foobar.example.com
   </div>
   <div>
    imapc_password = # hidden, use -P to show it
   </div>
   <div>
    imapc_port = 993
   </div>
   <div>
    imapc_ssl = imaps
   </div>
   <div>
    imapc_user = %u
   </div>
   <div>
    mail_location = maildir:~/Maildir
   </div>
   <div>
    mail_plugin_dir = /usr/lib64/dovecot/modules
   </div>
   <div>
    mail_prefetch_count = 20
   </div>
   <div>
    mailbox_list_index = yes
   </div>
   <div>
    managesieve_notify_capability = mailto
   </div>
   <div>
    managesieve_sieve_capability = fileinto reject envelope encoded-character
vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy
include variables body environment mailbox date ihave enotify
   </div>
   <div>
    namespace inbox {
   </div>
   <div>
    inbox = yes
   </div>
   <div>
    location    </div>
   <div>
    mailbox Drafts {
   </div>
   <div>
    special_use = \Drafts
   </div>
   <div>
    }
   </div>
   <div>
    mailbox Junk {
   </div>
   <div>
    special_use = \Junk
   </div>
   <div>
    }
   </div>
   <div>
    mailbox Sent {
   </div>
   <div>
    special_use = \Sent
   </div>
   <div>
    }
   </div>
   <div>
    mailbox "Sent Messages" {
   </div>
   <div>
    special_use = \Sent
   </div>
   <div>
    }
   </div>
   <div>
    mailbox Trash {
   </div>
   <div>
    special_use = \Trash
   </div>
   <div>
    }
   </div>
   <div>
    prefix    </div>
   <div>
    }
   </div>
   <div>
    passdb {
   </div>
   <div>
    driver = pam
   </div>
   <div>
    name    </div>
   <div>
    }
   </div>
   <div>
    plugin {
   </div>
   <div>
    sieve = file:~/.dovecot.sieve
   </div>
   <div>
    }
   </div>
   <div>
    protocols = imap lmtp
   </div>
   <div>
    service auth {
   </div>
   <div>
    unix_listener /var/spool/postfix/private/dovecot-auth {
   </div>
   <div>
    group = postfix
   </div>
   <div>
    mode = 0660
   </div>
   <div>
    user = postfix
   </div>
   <div>
    }
   </div>
   <div>
    }
   </div>
   <div>
    service imap-login {
   </div>
   <div>
    process_min_avail = 3
   </div>
   <div>
    }
   </div>
   <div>
    service lmtp {
   </div>
   <div>
    process_min_avail = 5
   </div>
   <div>
    unix_listener /var/spool/postfix/private/dovecot-lmtp {
   </div>
   <div>
    group = postfix
   </div>
   <div>
    mode = 0660
   </div>
   <div>
    user = postfix
   </div>
   <div>
    }
   </div>
   <div>
    user = my_virtmailuser
   </div>
   <div>
    }
   </div>
   <div>
    service managesieve-login {
   </div>
   <div>
    inet_listener sieve {
   </div>
   <div>
    port = 4190
   </div>
   <div>
    }
   </div>
   <div>
    inet_listener sieves {
   </div>
   <div>
    address    </div>
   <div>
    port = 5190
   </div>
   <div>
    ssl = yes
   </div>
   <div>
    }
   </div>
   <div>
    }
   </div>
   <div>
    ssl = required
   </div>
   <div>
    ssl_ca = </etc/dovecot/ssl/certbot_ca.pem
   </div>
   <div>
    ssl_cert = </etc/dovecot/ssl/certbot.pem
   </div>
   <div>
    ssl_cipher_list =
ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS
   </div>
   <div>
    ssl_client_ca_dir = /etc/ssl/certs
   </div>
   <div>
    ssl_dh = # hidden, use -P to show it
   </div>
   <div>
    ssl_key = # hidden, use -P to show it
   </div>
   <div>
    ssl_min_protocol = TLSv1.2
   </div>
   <div>
    ssl_options = no_compression
   </div>
   <div>
    ssl_prefer_server_ciphers = yes
   </div>
   <div>
    userdb {
   </div>
   <div>
    driver = passwd
   </div>
   <div>
    name    </div>
   <div>
    }
   </div>
   <div>
    userdb {
   </div>
   <div>
    args = scheme=ARGON2ID username_format=%u /etc/dovecot/users
   </div>
   <div>
    auth_verbose = yes
   </div>
   <div>
    driver = passwd-file
   </div>
   <div>
    name    </div>
   <div>
    }
   </div>
   <div>
    protocol lmtp {
   </div>
   <div>
    mail_plugins = sieve
   </div>
   <div>
    postmaster_address = 
    <a
href="mailto:foobar@example.com">foobar@example.com</a>
   </div>
   <div>
    }
   </div>
   <div>
    protocol lda {
   </div>
   <div>
    deliver_log_format = msgid=%m: %$
   </div>
   <div>
    mail_plugins = sieve
   </div>
   <div>
    postmaster_address = postmaster
   </div>
   <div>
    quota_full_tempfail = yes
   </div>
   <div>
    rejection_reason = Your message to <%t> was automatically
rejected:%n%r
   </div>
   <div>
    }
   </div>
   <div>
    protocol imap {
   </div>
   <div>
    mail_max_userip_connections = 20
   </div>
   <div>
    }
   </div>
  </blockquote>
  <div>
   <br>
  </div>
  <div class="io-ox-signature">
   <pre>---
Aki Tuomi</pre>
  </div> 
 </body>
</html>

Laura Smith

2019-Apr-11 13:45 UTC

head link

auth-worker unknown user

On Thursday, April 11, 2019 2:02 PM, Aki Tuomi <aki.tuomi at
open-xchange.com> wrote:
> PAM is trying to lookup user at domain while you probably only have user.
PAM driver does not yet support username_format.?
>
> Aki
But /etc/dovecot/users file isn't pam ??? I don't need pam if if I'm
using /etc/dovecot/users ?? Or am I understanding you wrong?

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