Disconnected: Auth process broken (disconnected before auth was ready ... ???
Hippo Man
hippoman at gmail.com
Mon May 30 20:36:25 UTC 2022
Problem solved!
I installed 2.3.18 (9dd8408c18), and now everything is working.
I guess that there must be things in 2.2.36-4 which don't work properly
under Debian-11.
Excelsior!
--
hippoman at gmail.com
Take a hippopotamus to lunch today.
On Mon, May 30, 2022 at 3:18 PM Hippo Man <hippoman at gmail.com> wrote:
> I've been running dovecot 2.2.36.4 (baf9232c1) on my Debian-8 host for a
> long time with no problems.
> I am trying to move my email server to a Debian-11 host, and I have
> Dovecot configured exactly the same way that I have it configured under
> Debian-8. However, when I try to connect to that server via imap, I always
> get the following error:
>
> 2022.05.30-18:17:21 imap-login: Info: Disconnected: Auth process broken
> (disconnected before auth was ready, waited 0 secs): user=<>, rip=::1,
> lip=::1, secured, session=<2+nKqj7g4t4AAAAAAAAAAAAAAAAAAAAB>
>
> The output of "dovecot -n" appears at the bottom of this message.
>
> I'm using mysql on the Debian-8 server for my authentication database, and
> I'm using mariadb on the Debian-11 server. The contents of the database on
> the new, Debian-11-based server are exactly the same as those on the
> Debian-8 server.
>
> These are the contents of /opt/local/etc/dovecot/dovecot-sql.ext with the
> comments removed. I can manually run the following queries against the
> database with a valid login ID, and these queries succeed ...
>
> driver = mysql
>
> connect = host=127.0.0.1 user=postfix password=XXXXXXXX dbname=postfix
>
> default_pass_scheme = CRYPT
>
> password_query = SELECT username AS user, domain, password FROM mailbox
> WHERE (username = '%u' OR find_in_set('%u', loginid) > 0) AND active = 1
> user_query = SELECT concat('/var/vmail/', maildir) AS home, 1003 AS uid,
> 1003 AS gid FROM mailbox WHERE (username = '%u' OR find_in_set('%u',
> loginid) > 0) AND active = 1
>
> Also ...
>
> % ls -Flas /var/run/dovecot/auth-userdb
> 0 srw-rw-rw- 1 dovecot root 0 May 30 18:30 /var/run/dovecot/auth-userdb=
> % ls -Flas /opt/local/etc/dovecot/dovecot-master-users-passwords
> 4 -rw-rw-r-- 1 root dovecot 36 Dec 16 2018
> /opt/local/etc/dovecot/dovecot-master-users-passwords
> % ls -Flas /opt/local/etc/dovecot/ad-hoc-userdb
> 4 -rw-rw-r-- 1 root root 416 May 7 14:53
> /opt/local/etc/dovecot/ad-hoc-userdb
> % ls -Flas /opt/local/etc/dovecot/dovecot-master-users-passwords
> 4 -rw-rw-r-- 1 root dovecot 36 Dec 16 2018
> /opt/local/etc/dovecot/dovecot-master-users-passwords
>
> When I start up dovecot, the following line appears at the bottom of
> /var/log/mailclient.log ...
> 2022.05.30-18:31:37 master: Info: Dovecot v2.2.36.4 (baf9232c1) starting
> up for imap, pop3, lmtp, imap, pop3 (core dumps disabled)
>
> However, if I then run "telnet localhost 143", the following lines appear
> at the end of /var/log/mailclient.log ...
> 2022.05.30-18:32:44 master: Error: service(auth): command startup failed,
> throttling for 2 secs
> 2022.05.30-18:32:44 auth: Fatal: master: service(auth): child 235327
> killed with signal 11 (core dumps disabled)
> 2022.05.30-18:32:44 imap-login: Info: Disconnected: Auth process broken
> (disconnected before auth was ready, waited 0 secs): user=<>, rip=::1,
> lip=::1, secured, session=<8ezN4T7gJOAAAAAAAAAAAAAAAAAAAAAB>
>
> The exact, same actions on my Debian-8 host do not fail.
>
> And here is the output from "dovecot -n". As you can see, all "verbose"
> and debug-related options are set to "yes". Thank you for any suggestions
> you might be able to offer:
>
> # 2.2.36.4 (baf9232c1): /opt/local/etc/dovecot/dovecot.conf
> # OS: Linux 5.10.0-14-amd64 x86_64 Debian 11.3 ext4
> # Hostname: my.hostname.com
> auth_debug = yes
> auth_debug_passwords = yes
> auth_master_user_separator = :
> auth_mechanisms = plain login
> auth_socket_path = /var/run/dovecot/auth-userdb
> auth_verbose = yes
> auth_verbose_passwords = plain
> base_dir = /var/run/dovecot/
> disable_plaintext_auth = no
> log_path = /var/log/mailclient.log
> log_timestamp = "%Y.%m.%d-%H:%M:%S "
> mail_debug = yes
> mail_location = maildir:/var/vmail/%d/%n/
> namespace inbox {
> inbox = yes
> list = 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 = INBOX.
> separator = .
> }
> passdb {
> args = /opt/local/etc/dovecot/dovecot-master-users-passwords
> driver = passwd-file
> master = yes
> pass = yes
> }
> passdb {
> args = /opt/local/etc/dovecot/dovecot-sql.conf.ext
> driver = sql
> }
> passdb {
> args = scheme=plain username_format=%u
> /opt/local/etc/dovecot/ad-hoc-userdb
> driver = passwd-file
> }
> plugin {
> sieve = ~/.dovecot.sieve
> sieve_dir = ~/sieve
> }
> postmaster_address = postmaster at my.hostname.com
> protocols = imap pop3 lmtp imap pop3
> service imap-login {
> inet_listener imap {
> port = 143
> }
> inet_listener imaps {
> port = 993
> ssl = yes
> }
> }
> service imap {
> executable = imap postlogin
> }
> service pop3 {
> executable = pop3 postlogin
> }
> service postlogin {
> executable = script-login -d rawlog
> }
> ssl_cert = </etc/letsencrypt/live/my.hostname.com/fullchain.pem
> ssl_cipher_list = HIGH:!SSLv2:!aNULL at STRENGTH
> ssl_client_ca_dir = /etc/ssl/certs
> ssl_client_ca_file = ca-certificates.crt
> ssl_key = # hidden, use -P to show it
> ssl_prefer_server_ciphers = yes
> userdb {
> args = /opt/local/etc/dovecot/dovecot-sql.conf.ext
> driver = sql
> }
> userdb {
> args = scheme=plain username_format=%u
> /opt/local/etc/dovecot/ad-hoc-userdb
> driver = passwd-file
> }
> protocol imap {
> mail_max_userip_connections = 128
> }
>
> --
> hippoman at gmail.com
> Take a hippopotamus to lunch today.
>
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