Issue with SASL authentication

From	Daniel Bareiro <daniel-listas@gmx.net>
Newsgroups	linux.debian.user
Subject	Issue with SASL authentication
Date	2017-05-24 16:00 +0200
Message-ID	<tKEZs-33S-7@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hi all!

I am configuring SASL to authenticate against IMAP. When I try to
authenticate, I get an error:

------------------------------------------------------------------
root@Wserver2:~# saslpasswd2 -c daniel
------------------------------------------------------------------
root@Wserver2:~# testsaslauthd -u daniel -p password
0: NO "authentication failed"
------------------------------------------------------------------

However it works when I provide the realm:

------------------------------------------------------------------
root@Wserver2:~# testsaslauthd -u daniel -r server2 -p password
0: OK "Success."
------------------------------------------------------------------

It's strange because I have another server where it works without problems:

------------------------------------------------------------------
root@mail:~# testsaslauthd -u daniel -p password
0: OK "Success."
------------------------------------------------------------------

Both hosts have Debian Jessie and the SASL configuration is the same:

------------------------------------------------------------------
root@mail:~# grep ^[^#] /etc/default/saslauthd
START=yes
DESC="SASL Authentication Daemon"
NAME="saslauthd"
MECHANISMS="sasldb"
MECH_OPTIONS=""
THREADS=5
OPTIONS="-c -m /var/run/saslauthd"
------------------------------------------------------------------
root@server2:~# grep ^[^#] /etc/default/saslauthd
START=yes
DESC="SASL Authentication Daemon"
NAME="saslauthd"
MECHANISMS="sasldb"
MECH_OPTIONS=""
THREADS=5
OPTIONS="-c -m /var/run/saslauthd"
------------------------------------------------------------------

"mail" has some updates to apply, but I do not see any differences in
the versions of the SASL packages:

------------------------------------------------------------------
root@mail:~# aptitude show libsasl2-2 | grep Versión
Versión: 2.1.26.dfsg1-13+deb8u1

root@mail:~# aptitude show libsasl2-modules | grep Versión
Versión: 2.1.26.dfsg1-13+deb8u1

root@mail:~# aptitude show sasl2-bin | grep Versión
Versión: 2.1.26.dfsg1-13+deb8u1
------------------------------------------------------------------

------------------------------------------------------------------
root@server2:~# aptitude show libsasl2-2 | grep Version
Version: 2.1.26.dfsg1-13+deb8u1

root@server2:~# aptitude show libsasl2-modules | grep Version
Version: 2.1.26.dfsg1-13+deb8u1

root@server2:~# aptitude show sasl2-bin | grep Version
Version: 2.1.26.dfsg1-13+deb8u1
------------------------------------------------------------------

In this case I'm not doing the authentication test against IMAP but
directly against SASL, so I guess the problem will be directly related
to the SASL configuration itself.

Any thoughts about what might differ between the two environments?


Thanks in advance.

Kind regards,
Daniel

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Issue with SASL authentication Daniel Bareiro <daniel-listas@gmx.net> - 2017-05-24 16:00 +0200
  Re: Issue with SASL authentication Daniel Bareiro <daniel-listas@gmx.net> - 2017-05-24 20:40 +0200
    Re: Issue with SASL authentication Daniel Bareiro <daniel-listas@gmx.net> - 2017-05-25 02:30 +0200
      Re: Issue with SASL authentication Daniel Bareiro <daniel-listas@gmx.net> - 2017-05-25 18:30 +0200

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