[Dovecot] Auth caching and password changes

Angel L. Mateo amateo at um.es
Fri Oct 19 15:38:36 EEST 2012


Hello,

	In my system I have configured auth caching. The problem I have is that 
whenever a user changes his password, he/she can't login to dovecot 
after a while and the scenarios described at 
http://wiki2.dovecot.org/Authentication/Caching are not applied.

	I have tried also with "doveadm auth cache flush <login>", but it 
didn't work. He also could to login again if he waits for a time or if I 
run "doveadm auth cache flush" in the server, flushing all auth 
information from cache.

	I have attached the log I had when I changed my password (and suffered 
the problem). I have attached my doveconf -n too.

-- 
Angel L. Mateo Martínez
Sección de Telemática
Área de Tecnologías de la Información
y las Comunicaciones Aplicadas (ATICA)
http://www.um.es/atica
Tfo: 868889150
Fax: 868888337
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# 2.1.9: /etc/dovecot/dovecot.conf
# OS: Linux 3.2.19um1 x86_64 Ubuntu 12.04.1 LTS 
auth_cache_size = 20 M
auth_cache_ttl = 1 days
auth_master_user_separator = *
auth_verbose = yes
default_process_limit = 1024
disable_plaintext_auth = no
log_timestamp = %Y-%m-%d %H:%M:%S
login_trusted_networks = 155.54.211.176/28
mail_location = maildir:~/Maildir:INDEX=/var/indexes/%n
mail_plugins = quota zlib
mail_privileged_group = mail
maildir_very_dirty_syncs = 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 enotify environment mailbox date ihave imapflags
mdbox_rotate_size = 20 M
namespace {
  inbox = yes
  location = 
  prefix = 
  separator = .
}
namespace {
  hidden = yes
  list = no
  location = maildir:~/Maildir/expunged
  prefix = BORRADOS.
  separator = .
}
passdb {
  args = /etc/dovecot/master-users
  driver = passwd-file
  master = yes
  pass = yes
}
passdb {
  args = /etc/dovecot/dovecot-ldap.conf.ext
  driver = ldap
}
passdb {
  args = session=yes cache_key=%n dovecot
  driver = pam
}
plugin {
  lazy_expunge = BORRADOS.
  quota = dict:User quota::file:%h/Maildir/dovecot.quota
  quota_rule = *:storage=10G
  quota_rule2 = Trash:storage=+1G
  sieve = ~/.dovecot.sieve
  sieve_dir = ~/sieve
  sieve_extensions = +imapflags
  sieve_max_redirects = 15
  zlib_save = gz
  zlib_save_level = 6
}
postmaster_address = postmaster at um.es
protocols = imap pop3 lmtp sieve
service anvil {
  client_limit = 3075
}
service auth {
  client_limit = 4096
  unix_listener auth-userdb {
    mode = 0666
  }
}
service doveadm {
  inet_listener {
    port = 24245
  }
}
service imap {
  process_limit = 5120
  process_min_avail = 6
  vsz_limit = 512 M
}
service ipc {
  unix_listener ipc {
    user = dovecot
  }
}
service lmtp {
  inet_listener lmtp {
    port = 24
  }
  process_min_avail = 10
  vsz_limit = 512 M
}
service pop3 {
  process_min_avail = 6
}
ssl = no
ssl_cert = </etc/ssl/certs/dovecot.pem
ssl_key = </etc/ssl/private/dovecot.pem
userdb {
  driver = prefetch
}
userdb {
  args = /etc/dovecot/dovecot-ldap.conf.ext
  driver = ldap
}
protocol lda {
  mail_plugins = quota zlib sieve
}
protocol imap {
  mail_plugins = quota zlib imap_quota
}
protocol lmtp {
  mail_plugins = quota zlib sieve
}
protocol pop3 {
  pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, in=%i, out=%o
}
local 155.54.211.160/27/27 {
  doveadm_password = <password>
}


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