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Mark Foley

2015-Sep-07 00:31 UTC

How to "Windows Authenticate"

More info ...

My dovecot error log shows:

Sep 05 16:45:19 auth: Debug: client in: AUTH    1       NTLM    service=imap
Sep 05 16:45:19 auth: Debug: client passdb out: OK      1       user=mark at
hprs  original_user=mark at HPRS
Sep 05 16:45:19 auth: Debug: master in: REQUEST 998899713       10219   1      
f56352c207cb8f6dea4d264b2c0f8dc1       session_pid=10220      
request_auth_token
Sep 05 16:45:19 auth-worker(5498): Debug: shadow(mark at hprs,192.168.0.58):
lookup
Sep 05 16:45:19 auth-worker(5498): Info: shadow(mark at hprs,192.168.0.58):
unknown user
Sep 05 16:45:19 auth: Debug: master userdb out: NOTFOUND        998899713

whereas the successful 'plain login' config'ed mechanism (before
adding NTLM
config) have:

Sep 06 20:27:38 auth-worker(18616): Debug: shadow(mark,104.6.249.210): lookup

The failed ntlm look-up is looking up user mark at hprs in shadow, which it
doesn't
find. Is there a way to strip the "@hprs" bit from the user so it can
find the
correct entry in /etc/shadow? That might fix the problem.

--Mark

-----Original Message-----
From: Mark Foley <mfoley at ohprs.org>
Date: Sat, 05 Sep 2015 17:12:50 -0400
To: dovecot at dovecot.org
Subject: Re: How to "Windows Authenticate"

Rick et al,

The link you gave was a start, but is targeted for Samba3 and is assuming a
probably Windows [SBS]Server AD/DC separate from the DC hosting dovecot, and
includes setting up kerberos. 

I'm using a Samba4 AD/DC with integrated kerberos (so I don't think
there is any
setup I can do there).  Nevertheless I've followed the instructions
otherwise;
specifically adding to 10-auto.conf the following recommended lines:

auth_use_winbind = yes
auth_winbind_helper_path = /usr/bin/ntlm_auth
mechanisms = plain ntlm login

(Before, my 'mechanisms' were only plain and login). /usr/bin/ntlm_auth
has
global r/w privilege.

I did not specify the static userdb since these users are configued in
/etc/passwd and I thought that would work; example given in link (could that be
an issue?):

userdb static {
   args= uid=501 gid=501 home=/home/vmail/%1Ln/%Ln
   mail=maildir:/home/vmail/%d/%1Ln/%Ln:INBOX=/home/vmail/%d/%1Ln/%Ln
   allow_all_users=yes
}

This didn't work. Also, existing, working Outlook connections using
'logon'
(i.e. the userID and PW are configured in Outlook) stopped working.

I changed a test Outlook client to check the 'Request login using Secure
Password Authentication (SPA)' and also checked: More Settings > Outgoing
Server> My outgoing server (SMTP) requires authentication' and 'Use same
settings asmy incoming mail server'.  Note that on the "Change Account"
dialog (where the
SPA checkbox is) the 'User Name' and 'Password' retained their
values and were
not grayed out as I would have expected if using AD authentication. 

After doing the above and clicking 'Test Account Settings' I was
re-promted to
enter a password - also not expected. At bottom are the Dovecot log message I
received after doing the 'Test Account Settings'.

Surely, connecting from an Outlook client to Dovecot on a Samba4 AD/DC should be
a very common implementation. Has someone done this successfully?

Immediately below is my doveconf -n and below that the dovecot log messages.
> doveconf -n# 2.2.15: /usr/local/etc/dovecot/dovecot.conf
# OS: Linux 3.10.17 x86_64 Slackware 14.1
auth_debug_passwords = yes
auth_mechanisms = plain ntlm login
auth_use_winbind = yes
auth_verbose = yes
auth_verbose_passwords = plain
disable_plaintext_auth = no
info_log_path = /var/log/dovecot_info
mail_location = maildir:~/Maildir
passdb {
  driver = shadow
}
protocols = imap
ssl_cert = </etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
userdb {
  driver = passwd
}
verbose_ssl = yes

dovecot log after doing 'Test Account Settings' in Outlook:

Sep 05 16:45:19 imap-login: Debug: SSL: elliptic curve secp384r1 will be used
for ECDH and ECDHE key exchanges
Sep 05 16:45:19 imap-login: Debug: SSL: elliptic curve secp384r1 will be used
for ECDH and ECDHE key exchanges
Sep 05 16:45:19 auth: Debug: auth client connected (pid=10219)
Sep 05 16:45:19 auth: Debug: client in: AUTH	1	NTLM	service=imap
session=HXssGAYf0ADAqAA6	lip=192.168.0.2	rip=192.168.0.58	lport=143	rport=52944
Sep 05 16:45:19 auth: Debug: client passdb out: CONT	1	
Sep 05 16:45:19 auth: Debug: client passdb out: OK	1	user=mark at hprs
original_user=mark at HPRS
Sep 05 16:45:19 auth: Debug: master in: REQUEST	998899713	10219	1
f56352c207cb8f6dea4d264b2c0f8dc1	session_pid=10220	request_auth_token
Sep 05 16:45:19 auth-worker(5498): Debug: shadow(mark at hprs,192.168.0.58):
lookup
Sep 05 16:45:19 auth-worker(5498): Info: shadow(mark at hprs,192.168.0.58):
unknown user
Sep 05 16:45:19 auth: Debug: master userdb out: NOTFOUND	998899713
Sep 05 16:45:19 imap-login: Info: Internal login failure (pid=10219 id=1)
(internal failure, 1 successful auths): user=<mark at hprs>, method=NTLM,
rip=192.168.0.58, lip=192.168.0.2, mpid=10220, session=<HXssGAYf0ADAqAA6>
Sep 05 16:46:22 imap-login: Debug: SSL: elliptic curve secp384r1 will be used
for ECDH and ECDHE key exchanges
Sep 05 16:46:22 imap-login: Debug: SSL: elliptic curve secp384r1 will be used
for ECDH and ECDHE key exchanges
Sep 05 16:46:22 auth: Debug: Loading modules from directory:
/usr/local/lib/dovecot/auth
Sep 05 16:46:22 auth: Debug: Read auth token secret from
/usr/local/var/run/dovecot/auth-token-secret.dat
Sep 05 16:46:22 auth: Debug: auth client connected (pid=13487)
Sep 05 16:46:22 auth: Debug: client in: AUTH	1	NTLM	service=imap
session=IlvqGwYf0wDAqAA6	lip=192.168.0.2	rip=192.168.0.58	lport=143	rport=52947
Sep 05 16:46:22 auth: Debug: client passdb out: OK	1	user=mark at hprs
original_user=mark at HPRS
Sep 05 16:46:22 auth: Debug: master in: REQUEST	3030384641	13487	1
bac5f6531f9d4c3316f93bd4c4a63ddd	session_pid=13491	request_auth_token
Sep 05 16:46:22 auth-worker(13492): Debug: Loading modules from directory:
/usr/local/lib/dovecot/auth
Sep 05 16:46:22 auth-worker(13492): Debug: shadow(mark at hprs,192.168.0.58):
lookup
Sep 05 16:46:22 auth-worker(13492): Info: shadow(mark at hprs,192.168.0.58):
unknown user
Sep 05 16:46:22 auth: Debug: master userdb out: NOTFOUND	3030384641
Sep 05 16:46:22 imap-login: Info: Internal login failure (pid=13487 id=1)
(internal failure, 1 successful auths): user=<mark at hprs>, method=NTLM,
rip=192.168.0.58, lip=192.168.0.2, mpid=13491, session=<IlvqGwYf0wDAqAA6>

Thanks --Mark

-----Original Message-----> Date: Thu, 03 Sep 2015 06:53:19 -0500
> From: Rick Romero <rick at havokmon.com>
> To: dovecot at dovecot.org
> Subject: Re: How to "Windows Authenticate"
>
>   Hi Mark,
>
> I haven't done it, but I've played with the scenario enough to have
an
> idea.
>
> What you want to do is have Outlook auth via NTLM to Dovecot.?
>
> First that means having the machine be a domain member (usually via Samba)
> in order to properly process NTLM/Kerberos handshake - which it appears you
> have.
> Second that means having Dovecot know how to accept NTLM authentication
> (SPA) to pass to the Samba backend.
>
> A 'Dovecot NTLM' search led me here:
> http://wiki2.dovecot.org/HowTo/ActiveDirectoryNtlm
>
> What's not on the page that I'd expect to see, are the compile-time
> requirements for inclucing samba/kerberos libs within Dovecot.? If it
> doesn't 'just work' with the config changes in the wiki, you
may need to
> recompile with the right features.
>
> Also - check the permissions of the ntlm_auth program. That's caused
many
> issues with Radius installs, IIRC.
>
> Hope that helps!
>
> Rick
>
> Quoting Mark Foley <mfoley at ohprs.org>:
>
> > This can't be that hard. I think I've enabled LDAP in Dovecot
just by
> > including
> > dovecot-ldap.conf.ext in 10-auth.conf and using the default settings.
I
> > now have
> > the configuration shown below. Two questions:
> >
> > 1. How do I set Outlook to authenticate with LDAP? Currently the
Outlook
> > accounts still have the ID and password set in "Logon
Information".
> > Checking
> > "Require logon using Secure Password Authentication (SPA)"
doesn't work.
> > All I
> > can seem to find on the Internet is how to configure address books
using
> > LDAP.
> >
> > 2. Should I remove "passdb { drive = shadow } from the dovecot
> > configuration?
> >
> > Anybody?
> >
> > $ doveconf -n
> > # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> > # OS: Linux 3.10.17 x86_64 Slackware 14.1
> > auth_debug_passwords = yes
> > auth_mechanisms = plain login
> > auth_verbose = yes
> > auth_verbose_passwords = plain
> > disable_plaintext_auth = no
> > info_log_path = /var/log/dovecot_info
> > mail_location = maildir:~/Maildir
> > passdb {
> > driver = shadow
> > }
> > passdb {
> > args = /etc/dovecot/dovecot-ldap.conf.ext
> > driver = ldap
> > }
> > protocols = imap
> > ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> > ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> > userdb {
> > driver = passwd
> > }
> > userdb {
> > args = /etc/dovecot/dovecot-ldap.conf.ext
> > driver = ldap
> > }
> > verbose_ssl = yes
> >
> > -----Original Message-----
> > From: Mark Foley <mfoley at ohprs.org>
> > Date: Wed, 02 Sep 2015 13:31:35 -0400
> > To: dovecot at dovecot.org
> > Subject: How to "Windows Authenticate"
> >
> >> I've been using Dovecot 2.2.15 as the IMAP server for Outlook
> >> (2010/2013) on
> >> Windows workstations for over 6 months with no problems.? Dovecot
is
> >> hosted on
> >> the office Samba4 AC/DC server.
> >>
> >> I have been using auth_mechanisms plain login, and passdb driver
> >> shadow.
> >>
> >> What I'd like to do now is use the "Windows
Authenticated" login so I
> >> don't have
> >> to have separate passwords for users logging into the Windows AD
> >> workstations
> >> and their Outlook clients.
> >>
> >> If anyone has actually done this I'd appreciate some tips. My
various
> >> attempts
> >> have not been successful.
> >>
> >> Here is my current config:
> >>
> >> $ doveconf -n
> >> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> >> # OS: Linux 3.10.17 x86_64 Slackware 14.1
> >> auth_debug_passwords = yes
> >> auth_mechanisms = plain login
> >> auth_verbose = yes
> >> auth_verbose_passwords = plain
> >> disable_plaintext_auth = no
> >> info_log_path = /var/log/dovecot_info
> >> mail_location = maildir:~/Maildir
> >> passdb {
> >> ? driver = shadow
> >> }
> >> protocols = imap
> >> ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> >> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> >> userdb {
> >> ? driver = passwd
> >> }
> >> verbose_ssl = yes
> >>
> >> Thanks, Mark Foley
> >
> > From dovecot-bounces at dovecot.org? Wed Sep? 2 13:32:13 2015
> > Return-Path: <dovecot-bounces at dovecot.org>
> > X-Virus-Status: Clean
> > X-Virus-Scanned: clamav-milter 0.98.6 at mail
> > X-Spam-Checker-Version: SpamAssassin 3.3.2-_revision__1.14__
> > (2011-06-06) on
> > ? ? ? ? mail.hprs.local
> > X-Spam-Level:
> > X-Spam-Status: No, score=0.0 required=3.0 tests=none
> autolearn=unavailable
> > ? ? ? ? version=3.3.2-_revision__1.14__
> > X-Original-To: dovecot at dovecot.org
> > Delivered-To: dovecot at dovecot.org
> > X-Virus-Status: Clean
> > X-Virus-Scanned: clamav-milter 0.98.6 at mail
> > From: Mark Foley <mfoley at ohprs.org>
> > Date: Wed, 02 Sep 2015 13:31:35 -0400
> > Organization: Ohio Highway Patrol Retirement System
> > To: dovecot at dovecot.org
> > Subject: How to "Windows Authenticate"
> > User-Agent: Heirloom mailx 12.5 7/5/10
> > Content-Type: text/plain; charset=us-ascii
> > X-BeenThere: dovecot at dovecot.org
> > X-Mailman-Version: 2.1.17
> > Precedence: list
> > List-Id: Dovecot Mailing List <dovecot.dovecot.org>
> > List-Unsubscribe:
<http://dovecot.org/cgi-bin/mailman/options/dovecot>,
> > ? ? ? ? <mailto:dovecot-request at
dovecot.org?subject=unsubscribe>
> > List-Archive: <http://dovecot.org/pipermail/dovecot/>
> > List-Post: <mailto:dovecot at dovecot.org>
> > List-Help: <mailto:dovecot-request at dovecot.org?subject=help>
> > List-Subscribe:
<http://dovecot.org/cgi-bin/mailman/listinfo/dovecot>,
> > ? ? ? ? <mailto:dovecot-request at
dovecot.org?subject=subscribe>
> > Errors-To: dovecot-bounces at dovecot.org
> > Sender: "dovecot" <dovecot-bounces at dovecot.org>
> > Status: R
> >
> > I've been using Dovecot 2.2.15 as the IMAP server for Outlook
> > (2010/2013) on
> > Windows workstations for over 6 months with no problems.? Dovecot is
> > hosted on
> > the office Samba4 AC/DC server.
> >
> > I have been using auth_mechanisms plain login, and passdb driver >
shadow.
> >
> > What I'd like to do now is use the "Windows
Authenticated" login so I
> > don't have
> > to have separate passwords for users logging into the Windows AD
> > workstations
> > and their Outlook clients.
> >
> > If anyone has actually done this I'd appreciate some tips. My
various
> > attempts
> > have not been successful.
> >
> > Here is my current config:
> >
> > $ doveconf -n
> > # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> > # OS: Linux 3.10.17 x86_64 Slackware 14.1
> > auth_debug_passwords = yes
> > auth_mechanisms = plain login
> > auth_verbose = yes
> > auth_verbose_passwords = plain
> > disable_plaintext_auth = no
> > info_log_path = /var/log/dovecot_info
> > mail_location = maildir:~/Maildir
> > passdb {
> > driver = shadow
> > }
> > protocols = imap
> > ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> > ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> > userdb {
> > driver = passwd
> > }
> > verbose_ssl = yes
> > Thanks, Mark Foley
> From dovecot-bounces at dovecot.org  Thu Sep  3 07:53:44 2015
> Return-Path: <dovecot-bounces at dovecot.org>
> X-Virus-Status: Clean
> X-Virus-Scanned: clamav-milter 0.98.6 at mail
> X-Spam-Checker-Version: SpamAssassin 3.3.2-_revision__1.14__ (2011-06-06)
on
> 	mail.hprs.local
> X-Spam-Level: 
> X-Spam-Status: No, score=0.0 required=3.0 tests=none autolearn=ham
> 	version=3.3.2-_revision__1.14__
> X-Original-To: dovecot at dovecot.org
> Delivered-To: dovecot at dovecot.org
> Date: Thu, 03 Sep 2015 06:53:19 -0500
> From: Rick Romero <rick at havokmon.com>
> To: dovecot at dovecot.org
> Subject: Re: How to "Windows Authenticate"
> User-Agent: Internet Messaging Program (IMP) H5 (6.2.2)
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> Errors-To: dovecot-bounces at dovecot.org
> Sender: "dovecot" <dovecot-bounces at dovecot.org>
> Status: R
>
>   Hi Mark,
>
> I haven't done it, but I've played with the scenario enough to have
an
> idea.
>
> What you want to do is have Outlook auth via NTLM to Dovecot.?
>
> First that means having the machine be a domain member (usually via Samba)
> in order to properly process NTLM/Kerberos handshake - which it appears you
> have.
> Second that means having Dovecot know how to accept NTLM authentication
> (SPA) to pass to the Samba backend.
>
> A 'Dovecot NTLM' search led me here:
> http://wiki2.dovecot.org/HowTo/ActiveDirectoryNtlm
>
> What's not on the page that I'd expect to see, are the compile-time
> requirements for inclucing samba/kerberos libs within Dovecot.? If it
> doesn't 'just work' with the config changes in the wiki, you
may need to
> recompile with the right features.
>
> Also - check the permissions of the ntlm_auth program. That's caused
many
> issues with Radius installs, IIRC.
>
> Hope that helps!
>
> Rick
>
> Quoting Mark Foley <mfoley at ohprs.org>:
>
> > This can't be that hard. I think I've enabled LDAP in Dovecot
just by
> > including
> > dovecot-ldap.conf.ext in 10-auth.conf and using the default settings.
I
> > now have
> > the configuration shown below. Two questions:
> >
> > 1. How do I set Outlook to authenticate with LDAP? Currently the
Outlook
> > accounts still have the ID and password set in "Logon
Information".
> > Checking
> > "Require logon using Secure Password Authentication (SPA)"
doesn't work.
> > All I
> > can seem to find on the Internet is how to configure address books
using
> > LDAP.
> >
> > 2. Should I remove "passdb { drive = shadow } from the dovecot
> > configuration?
> >
> > Anybody?
> >
> > $ doveconf -n
> > # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> > # OS: Linux 3.10.17 x86_64 Slackware 14.1
> > auth_debug_passwords = yes
> > auth_mechanisms = plain login
> > auth_verbose = yes
> > auth_verbose_passwords = plain
> > disable_plaintext_auth = no
> > info_log_path = /var/log/dovecot_info
> > mail_location = maildir:~/Maildir
> > passdb {
> > driver = shadow
> > }
> > passdb {
> > args = /etc/dovecot/dovecot-ldap.conf.ext
> > driver = ldap
> > }
> > protocols = imap
> > ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> > ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> > userdb {
> > driver = passwd
> > }
> > userdb {
> > args = /etc/dovecot/dovecot-ldap.conf.ext
> > driver = ldap
> > }
> > verbose_ssl = yes
> >
> > -----Original Message-----
> > From: Mark Foley <mfoley at ohprs.org>
> > Date: Wed, 02 Sep 2015 13:31:35 -0400
> > To: dovecot at dovecot.org
> > Subject: How to "Windows Authenticate"
> >
> >> I've been using Dovecot 2.2.15 as the IMAP server for Outlook
> >> (2010/2013) on
> >> Windows workstations for over 6 months with no problems.? Dovecot
is
> >> hosted on
> >> the office Samba4 AC/DC server.
> >>
> >> I have been using auth_mechanisms plain login, and passdb driver
> >> shadow.
> >>
> >> What I'd like to do now is use the "Windows
Authenticated" login so I
> >> don't have
> >> to have separate passwords for users logging into the Windows AD
> >> workstations
> >> and their Outlook clients.
> >>
> >> If anyone has actually done this I'd appreciate some tips. My
various
> >> attempts
> >> have not been successful.
> >>
> >> Here is my current config:
> >>
> >> $ doveconf -n
> >> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> >> # OS: Linux 3.10.17 x86_64 Slackware 14.1
> >> auth_debug_passwords = yes
> >> auth_mechanisms = plain login
> >> auth_verbose = yes
> >> auth_verbose_passwords = plain
> >> disable_plaintext_auth = no
> >> info_log_path = /var/log/dovecot_info
> >> mail_location = maildir:~/Maildir
> >> passdb {
> >> ? driver = shadow
> >> }
> >> protocols = imap
> >> ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> >> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> >> userdb {
> >> ? driver = passwd
> >> }
> >> verbose_ssl = yes
> >>
> >> Thanks, Mark Foley
> >
> > From dovecot-bounces at dovecot.org? Wed Sep? 2 13:32:13 2015
> > Return-Path: <dovecot-bounces at dovecot.org>
> > X-Virus-Status: Clean
> > X-Virus-Scanned: clamav-milter 0.98.6 at mail
> > X-Spam-Checker-Version: SpamAssassin 3.3.2-_revision__1.14__
> > (2011-06-06) on
> > ? ? ? ? mail.hprs.local
> > X-Spam-Level:
> > X-Spam-Status: No, score=0.0 required=3.0 tests=none
> autolearn=unavailable
> > ? ? ? ? version=3.3.2-_revision__1.14__
> > X-Original-To: dovecot at dovecot.org
> > Delivered-To: dovecot at dovecot.org
> > X-Virus-Status: Clean
> > X-Virus-Scanned: clamav-milter 0.98.6 at mail
> > From: Mark Foley <mfoley at ohprs.org>
> > Date: Wed, 02 Sep 2015 13:31:35 -0400
> > Organization: Ohio Highway Patrol Retirement System
> > To: dovecot at dovecot.org
> > Subject: How to "Windows Authenticate"
> > User-Agent: Heirloom mailx 12.5 7/5/10
> > Content-Type: text/plain; charset=us-ascii
> > X-BeenThere: dovecot at dovecot.org
> > X-Mailman-Version: 2.1.17
> > Precedence: list
> > List-Id: Dovecot Mailing List <dovecot.dovecot.org>
> > List-Unsubscribe:
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> > Sender: "dovecot" <dovecot-bounces at dovecot.org>
> > Status: R
> >
> > I've been using Dovecot 2.2.15 as the IMAP server for Outlook
> > (2010/2013) on
> > Windows workstations for over 6 months with no problems.? Dovecot is
> > hosted on
> > the office Samba4 AC/DC server.
> >
> > I have been using auth_mechanisms plain login, and passdb driver >
shadow.
> >
> > What I'd like to do now is use the "Windows
Authenticated" login so I
> > don't have
> > to have separate passwords for users logging into the Windows AD
> > workstations
> > and their Outlook clients.
> >
> > If anyone has actually done this I'd appreciate some tips. My
various
> > attempts
> > have not been successful.
> >
> > Here is my current config:
> >
> > $ doveconf -n
> > # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> > # OS: Linux 3.10.17 x86_64 Slackware 14.1
> > auth_debug_passwords = yes
> > auth_mechanisms = plain login
> > auth_verbose = yes
> > auth_verbose_passwords = plain
> > disable_plaintext_auth = no
> > info_log_path = /var/log/dovecot_info
> > mail_location = maildir:~/Maildir
> > passdb {
> > driver = shadow
> > }
> > protocols = imap
> > ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> > ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> > userdb {
> > driver = passwd
> > }
> > verbose_ssl = yes
> > Thanks, Mark Foley
>

Rick Romero

2015-Sep-07 01:00 UTC

head link

How to "Windows Authenticate"

Hmm.? I would expect to see 'mark at hprs.com'.? Whatever your full
domain
name is.

It also won't look up /etc/shadow - Samba is doing the AD->Unix UID
mapping.? Your AD users shouldn't be in there when all is said and done.?
Well, at when I did a Samba4 install as a DC it still behaved like a Samba3
member, and there were no AD users in the local unix passwd files.

What does wbinfo -u provide?? It should list all your users - especially
because it's an DC.? Whatever wbinfo -u shows, you may need to adjust
another config file to match waht Dovecot is receiving.?

I assume /etc/nsswitch.conf has been modified to use Samba?

Sorry I haven't done this, but it doesn't seem like anyone else has
either
- so I'm just shooting in the dark here trying to get you steered in the
right direction...

Rick

Quoting Mark Foley <mfoley at ohprs.org>:
> More info ...
>
> My dovecot error log shows:
>
> Sep 05 16:45:19 auth: Debug: client in: AUTH? ? 1? ? ? ?NTLM? ?
> service=imap
> Sep 05 16:45:19 auth: Debug: client passdb out: OK? ? ? 1? ? ?
> ?user=mark at hprs? original_user=mark at HPRS
> Sep 05 16:45:19 auth: Debug: master in: REQUEST 998899713? ? ?
?10219?> ?1? ? ? ?f56352c207cb8f6dea4d264b2c0f8dc1? ? ?
?session_pid=10220? ? ?> ?request_auth_token
> Sep 05 16:45:19 auth-worker(5498): Debug:
> shadow(mark at hprs,192.168.0.58): lookup
> Sep 05 16:45:19 auth-worker(5498): Info: shadow(mark at hprs,192.168.0.58):
> unknown user
> Sep 05 16:45:19 auth: Debug: master userdb out: NOTFOUND? ? ? ?
998899713>
> whereas the successful 'plain login' config'ed mechanism
(before adding
> NTLM
> config) have:
>
> Sep 06 20:27:38 auth-worker(18616): Debug: shadow(mark,104.6.249.210):
> lookup
>
> The failed ntlm look-up is looking up user mark at hprs in shadow, which it
> doesn't
> find. Is there a way to strip the "@hprs" bit from the user so it
can
> find the
> correct entry in /etc/shadow? That might fix the problem.
>
> --Mark
>
> -----Original Message-----
> From: Mark Foley <mfoley at ohprs.org>
> Date: Sat, 05 Sep 2015 17:12:50 -0400
> To: dovecot at dovecot.org
> Subject: Re: How to "Windows Authenticate"
>
> Rick et al,
>
> The link you gave was a start, but is targeted for Samba3 and is
> assuming a
> probably Windows [SBS]Server AD/DC separate from the DC hosting dovecot,
> and
> includes setting up kerberos.
>
> I'm using a Samba4 AD/DC with integrated kerberos (so I don't think
> there is any
> setup I can do there).? Nevertheless I've followed the instructions
> otherwise;
> specifically adding to 10-auto.conf the following recommended lines:
>
> auth_use_winbind = yes
> auth_winbind_helper_path = /usr/bin/ntlm_auth
> mechanisms = plain ntlm login
>
> (Before, my 'mechanisms' were only plain and login).
/usr/bin/ntlm_auth
> has
> global r/w privilege.
>
> I did not specify the static userdb since these users are configued in
> /etc/passwd and I thought that would work; example given in link (could
> that be
> an issue?):
>
> userdb static {
> ? args= uid=501 gid=501 home=/home/vmail/%1Ln/%Ln
> ? mail=maildir:/home/vmail/%d/%1Ln/%Ln:INBOX=/home/vmail/%d/%1Ln/%Ln
> ? allow_all_users=yes
> }
>
> This didn't work. Also, existing, working Outlook connections using
> 'logon'
> (i.e. the userID and PW are configured in Outlook) stopped working.
>
> I changed a test Outlook client to check the 'Request login using
Secure
> Password Authentication (SPA)' and also checked: More Settings >
> Outgoing Server
>> My outgoing server (SMTP) requires authentication' and 'Use
same
>> settings as
>
> my incoming mail server'.? Note that on the "Change Account"
dialog
> (where the
> SPA checkbox is) the 'User Name' and 'Password' retained
their values
> and were
> not grayed out as I would have expected if using AD authentication.
>
> After doing the above and clicking 'Test Account Settings' I was
> re-promted to
> enter a password - also not expected. At bottom are the Dovecot log
> message I
> received after doing the 'Test Account Settings'.
>
> Surely, connecting from an Outlook client to Dovecot on a Samba4 AD/DC
> should be
> a very common implementation. Has someone done this successfully?
>
> Immediately below is my doveconf -n and below that the dovecot log
> messages.
>
>> doveconf -n
>
> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> # OS: Linux 3.10.17 x86_64 Slackware 14.1
> auth_debug_passwords = yes
> auth_mechanisms = plain ntlm login
> auth_use_winbind = yes
> auth_verbose = yes
> auth_verbose_passwords = plain
> disable_plaintext_auth = no
> info_log_path = /var/log/dovecot_info
> mail_location = maildir:~/Maildir
> passdb {
> driver = shadow
> }
> protocols = imap
> ssl_cert = </etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> userdb {
> driver = passwd
> }
> verbose_ssl = yes
>
> dovecot log after doing 'Test Account Settings' in Outlook:
>
> Sep 05 16:45:19 imap-login: Debug: SSL: elliptic curve secp384r1 will be
> used for ECDH and ECDHE key exchanges
> Sep 05 16:45:19 imap-login: Debug: SSL: elliptic curve secp384r1 will be
> used for ECDH and ECDHE key exchanges
> Sep 05 16:45:19 auth: Debug: auth client connected (pid=10219)
> Sep 05 16:45:19 auth: Debug: client in: AUTH? ? ? ? 1? ? ? ?
NTLM? ? ? ?> service=imap? ? ? ? session=HXssGAYf0ADAqAA6? ? ? ?
lip=192.168.0.2? ? ?> ? rip=192.168.0.58? ? ? ? lport=143? ? ? ? rport=52944
> Sep 05 16:45:19 auth: Debug: client passdb out: CONT? ? ? ? 1
> Sep 05 16:45:19 auth: Debug: client passdb out: OK? ? ? ? 1? ? ?
?> user=mark at hprs? ? ? ? original_user=mark at HPRS
> Sep 05 16:45:19 auth: Debug: master in: REQUEST? ? ? ? 998899713? ?
? ?> 10219? ? ? ? 1? ? ? ? f56352c207cb8f6dea4d264b2c0f8dc1? ? ? ?
> session_pid=10220? ? ? ? request_auth_token
> Sep 05 16:45:19 auth-worker(5498): Debug:
> shadow(mark at hprs,192.168.0.58): lookup
> Sep 05 16:45:19 auth-worker(5498): Info: shadow(mark at hprs,192.168.0.58):
> unknown user
> Sep 05 16:45:19 auth: Debug: master userdb out: NOTFOUND? ? ? ?
998899713> Sep 05 16:45:19 imap-login: Info: Internal login failure (pid=10219
> id=1) (internal failure, 1 successful auths): user=<mark at hprs>,
> method=NTLM, rip=192.168.0.58, lip=192.168.0.2, mpid=10220,
> session=<HXssGAYf0ADAqAA6>
> Sep 05 16:46:22 imap-login: Debug: SSL: elliptic curve secp384r1 will be
> used for ECDH and ECDHE key exchanges
> Sep 05 16:46:22 imap-login: Debug: SSL: elliptic curve secp384r1 will be
> used for ECDH and ECDHE key exchanges
> Sep 05 16:46:22 auth: Debug: Loading modules from directory:
> /usr/local/lib/dovecot/auth
> Sep 05 16:46:22 auth: Debug: Read auth token secret from
> /usr/local/var/run/dovecot/auth-token-secret.dat
> Sep 05 16:46:22 auth: Debug: auth client connected (pid=13487)
> Sep 05 16:46:22 auth: Debug: client in: AUTH? ? ? ? 1? ? ? ?
NTLM? ? ? ?> service=imap? ? ? ? session=IlvqGwYf0wDAqAA6? ? ? ?
lip=192.168.0.2? ? ?> ? rip=192.168.0.58? ? ? ? lport=143? ? ? ? rport=52947
> Sep 05 16:46:22 auth: Debug: client passdb out: OK? ? ? ? 1? ? ?
?> user=mark at hprs? ? ? ? original_user=mark at HPRS
> Sep 05 16:46:22 auth: Debug: master in: REQUEST? ? ? ? 3030384641?
? ? ?> 13487? ? ? ? 1? ? ? ? bac5f6531f9d4c3316f93bd4c4a63ddd? ? ? ?
> session_pid=13491? ? ? ? request_auth_token
> Sep 05 16:46:22 auth-worker(13492): Debug: Loading modules from
> directory: /usr/local/lib/dovecot/auth
> Sep 05 16:46:22 auth-worker(13492): Debug:
> shadow(mark at hprs,192.168.0.58): lookup
> Sep 05 16:46:22 auth-worker(13492): Info:
> shadow(mark at hprs,192.168.0.58): unknown user
> Sep 05 16:46:22 auth: Debug: master userdb out: NOTFOUND? ? ? ?
3030384641> Sep 05 16:46:22 imap-login: Info: Internal login failure (pid=13487
> id=1) (internal failure, 1 successful auths): user=<mark at hprs>,
> method=NTLM, rip=192.168.0.58, lip=192.168.0.2, mpid=13491,
> session=<IlvqGwYf0wDAqAA6>
>
> Thanks --Mark
>
> -----Original Message-----
>> Date: Thu, 03 Sep 2015 06:53:19 -0500
>> From: Rick Romero <rick at havokmon.com>
>> To: dovecot at dovecot.org
>> Subject: Re: How to "Windows Authenticate"
>>
>> ? Hi Mark,
>>
>> I haven't done it, but I've played with the scenario enough to
have an
>> idea.
>>
>> What you want to do is have Outlook auth via NTLM to Dovecot.?
>>
>> First that means having the machine be a domain member (usually via
>> Samba)
>> in order to properly process NTLM/Kerberos handshake - which it appears
>> you
>> have.
>> Second that means having Dovecot know how to accept NTLM authentication
>> (SPA) to pass to the Samba backend.
>>
>> A 'Dovecot NTLM' search led me here:
>> http://wiki2.dovecot.org/HowTo/ActiveDirectoryNtlm
>>
>> What's not on the page that I'd expect to see, are the
compile-time
>> requirements for inclucing samba/kerberos libs within Dovecot.? If it
>> doesn't 'just work' with the config changes in the wiki,
you may need to
>> recompile with the right features.
>>
>> Also - check the permissions of the ntlm_auth program. That's
caused
many>> issues with Radius installs, IIRC.
>>
>> Hope that helps!
>>
>> Rick
>>
>> Quoting Mark Foley <mfoley at ohprs.org>:
>>
>> This can't be that hard. I think I've enabled LDAP in Dovecot
just by
>> including
>> dovecot-ldap.conf.ext in 10-auth.conf and using the default settings. I
>> now have
>> the configuration shown below. Two questions:
>>
>> 1. How do I set Outlook to authenticate with LDAP? Currently the
Outlook
>> accounts still have the ID and password set in "Logon
Information".
>> Checking
>> "Require logon using Secure Password Authentication (SPA)"
doesn't work.
>> All I
>> can seem to find on the Internet is how to configure address books
using
>> LDAP.
>>
>> 2. Should I remove "passdb { drive = shadow } from the dovecot
>> configuration?
>>
>> Anybody?
>>
>> $ doveconf -n
>> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
>> # OS: Linux 3.10.17 x86_64 Slackware 14.1
>> auth_debug_passwords = yes
>> auth_mechanisms = plain login
>> auth_verbose = yes
>> auth_verbose_passwords = plain
>> disable_plaintext_auth = no
>> info_log_path = /var/log/dovecot_info
>> mail_location = maildir:~/Maildir
>> passdb {
>> driver = shadow
>> }
>> passdb {
>> args = /etc/dovecot/dovecot-ldap.conf.ext
>> driver = ldap
>> }
>> protocols = imap
>> ssl_cert = </etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
>> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
>> userdb {
>> driver = passwd
>> }
>> userdb {
>> args = /etc/dovecot/dovecot-ldap.conf.ext
>> driver = ldap
>> }
>> verbose_ssl = yes
>>
>> -----Original Message-----
>> From: Mark Foley <mfoley at ohprs.org>
>> Date: Wed, 02 Sep 2015 13:31:35 -0400
>> To: dovecot at dovecot.org
>> Subject: How to "Windows Authenticate"
>>
>> I've been using Dovecot 2.2.15 as the IMAP server for Outlook
>> (2010/2013) on
>> Windows workstations for over 6 months with no problems.? Dovecot is
>> hosted on
>> the office Samba4 AC/DC server.
>>
>> I have been using auth_mechanisms plain login, and passdb driver
>> shadow.
>>
>> What I'd like to do now is use the "Windows
Authenticated" login so I
>> don't have
>> to have separate passwords for users logging into the Windows AD
>> workstations
>> and their Outlook clients.
>>
>> If anyone has actually done this I'd appreciate some tips. My
various
>> attempts
>> have not been successful.
>>
>> Here is my current config:
>>
>> $ doveconf -n
>> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
>> # OS: Linux 3.10.17 x86_64 Slackware 14.1
>> auth_debug_passwords = yes
>> auth_mechanisms = plain login
>> auth_verbose = yes
>> auth_verbose_passwords = plain
>> disable_plaintext_auth = no
>> info_log_path = /var/log/dovecot_info
>> mail_location = maildir:~/Maildir
>> passdb {
>> ? driver = shadow
>> }
>> protocols = imap
>> ssl_cert = </etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
>> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
>> userdb {
>> ? driver = passwd
>> }
>> verbose_ssl = yes
>>
>> Thanks, Mark Foley
>>
>> From dovecot-bounces at dovecot.org? Wed Sep? 2 13:32:13 2015
>> Return-Path: <dovecot-bounces at dovecot.org>
>> X-Virus-Status: Clean
>> X-Virus-Scanned: clamav-milter 0.98.6 at mail
>> X-Spam-Checker-Version: SpamAssassin 3.3.2-_revision__1.14__
>> (2011-06-06) on
>> ? ? ? ? mail.hprs.local
>> X-Spam-Level:
>> X-Spam-Status: No, score=0.0 required=3.0 tests=none
>> autolearn=unavailable
>> ? ? ? ? version=3.3.2-_revision__1.14__
>> X-Original-To: dovecot at dovecot.org
>> Delivered-To: dovecot at dovecot.org
>> X-Virus-Status: Clean
>> X-Virus-Scanned: clamav-milter 0.98.6 at mail
>> From: Mark Foley <mfoley at ohprs.org>
>> Date: Wed, 02 Sep 2015 13:31:35 -0400
>> Organization: Ohio Highway Patrol Retirement System
>> To: dovecot at dovecot.org
>> Subject: How to "Windows Authenticate"
>> User-Agent: Heirloom mailx 12.5 7/5/10
>> Content-Type: text/plain; charset=us-ascii
>> X-BeenThere: dovecot at dovecot.org
>> X-Mailman-Version: 2.1.17
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>> List-Id: Dovecot Mailing List <dovecot.dovecot.org>
>> List-Unsubscribe:
<http://dovecot.org/cgi-bin/mailman/options/dovecot>,
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>> List-Archive: <http://dovecot.org/pipermail/dovecot/>
>> List-Post: <mailto:dovecot at dovecot.org>
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>> List-Subscribe:
<http://dovecot.org/cgi-bin/mailman/listinfo/dovecot>,
>> ? ? ? ? <mailto:dovecot-request at dovecot.org?subject=subscribe>
>> Errors-To: dovecot-bounces at dovecot.org
>> Sender: "dovecot" <dovecot-bounces at dovecot.org>
>> Status: R
>>
>> I've been using Dovecot 2.2.15 as the IMAP server for Outlook
>> (2010/2013) on
>> Windows workstations for over 6 months with no problems.? Dovecot is
>> hosted on
>> the office Samba4 AC/DC server.
>>
>> I have been using auth_mechanisms plain login, and passdb driver
>> shadow.
>>
>> What I'd like to do now is use the "Windows
Authenticated" login so I
>> don't have
>> to have separate passwords for users logging into the Windows AD
>> workstations
>> and their Outlook clients.
>>
>> If anyone has actually done this I'd appreciate some tips. My
various
>> attempts
>> have not been successful.
>>
>> Here is my current config:
>>
>> $ doveconf -n
>> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
>> # OS: Linux 3.10.17 x86_64 Slackware 14.1
>> auth_debug_passwords = yes
>> auth_mechanisms = plain login
>> auth_verbose = yes
>> auth_verbose_passwords = plain
>> disable_plaintext_auth = no
>> info_log_path = /var/log/dovecot_info
>> mail_location = maildir:~/Maildir
>> passdb {
>> driver = shadow
>> }
>> protocols = imap
>> ssl_cert = </etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
>> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
>> userdb {
>> driver = passwd
>> }
>> verbose_ssl = yes
>> Thanks, Mark Foley
>> From dovecot-bounces at dovecot.org? Thu Sep? 3 07:53:44 2015
>> Return-Path: <dovecot-bounces at dovecot.org>
>> X-Virus-Status: Clean
>> X-Virus-Scanned: clamav-milter 0.98.6 at mail
>> X-Spam-Checker-Version: SpamAssassin 3.3.2-_revision__1.14__
>> (2011-06-06) on
>> ? ? ? ? mail.hprs.local
>> X-Spam-Level:
>> X-Spam-Status: No, score=0.0 required=3.0 tests=none autolearn=ham
>> ? ? ? ? version=3.3.2-_revision__1.14__
>> X-Original-To: dovecot at dovecot.org
>> Delivered-To: dovecot at dovecot.org
>> Date: Thu, 03 Sep 2015 06:53:19 -0500
>> From: Rick Romero <rick at havokmon.com>
>> To: dovecot at dovecot.org
>> Subject: Re: How to "Windows Authenticate"
>> User-Agent: Internet Messaging Program (IMP) H5 (6.2.2)
>> X-VFEmail-Originating-IP: MTA3LjEzNi4xNDQuMjMw
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>> List-Archive: <http://dovecot.org/pipermail/dovecot/>
>> List-Post: <mailto:dovecot at dovecot.org>
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<http://dovecot.org/cgi-bin/mailman/listinfo/dovecot>,
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>> Errors-To: dovecot-bounces at dovecot.org
>> Sender: "dovecot" <dovecot-bounces at dovecot.org>
>> Status: R
>>
>> ? Hi Mark,
>>
>> I haven't done it, but I've played with the scenario enough to
have an
>> idea.
>>
>> What you want to do is have Outlook auth via NTLM to Dovecot.?
>>
>> First that means having the machine be a domain member (usually via
>> Samba)
>> in order to properly process NTLM/Kerberos handshake - which it appears
>> you
>> have.
>> Second that means having Dovecot know how to accept NTLM authentication
>> (SPA) to pass to the Samba backend.
>>
>> A 'Dovecot NTLM' search led me here:
>> http://wiki2.dovecot.org/HowTo/ActiveDirectoryNtlm
>>
>> What's not on the page that I'd expect to see, are the
compile-time
>> requirements for inclucing samba/kerberos libs within Dovecot.? If it
>> doesn't 'just work' with the config changes in the wiki,
you may need to
>> recompile with the right features.
>>
>> Also - check the permissions of the ntlm_auth program. That's
caused
many>> issues with Radius installs, IIRC.
>>
>> Hope that helps!
>>
>> Rick
>>
>> Quoting Mark Foley <mfoley at ohprs.org>:
>>
>> This can't be that hard. I think I've enabled LDAP in Dovecot
just by
>> including
>> dovecot-ldap.conf.ext in 10-auth.conf and using the default settings. I
>> now have
>> the configuration shown below. Two questions:
>>
>> 1. How do I set Outlook to authenticate with LDAP? Currently the
Outlook
>> accounts still have the ID and password set in "Logon
Information".
>> Checking
>> "Require logon using Secure Password Authentication (SPA)"
doesn't work.
>> All I
>> can seem to find on the Internet is how to configure address books
using
>> LDAP.
>>
>> 2. Should I remove "passdb { drive = shadow } from the dovecot
>> configuration?
>>
>> Anybody?
>>
>> $ doveconf -n
>> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
>> # OS: Linux 3.10.17 x86_64 Slackware 14.1
>> auth_debug_passwords = yes
>> auth_mechanisms = plain login
>> auth_verbose = yes
>> auth_verbose_passwords = plain
>> disable_plaintext_auth = no
>> info_log_path = /var/log/dovecot_info
>> mail_location = maildir:~/Maildir
>> passdb {
>> driver = shadow
>> }
>> passdb {
>> args = /etc/dovecot/dovecot-ldap.conf.ext
>> driver = ldap
>> }
>> protocols = imap
>> ssl_cert = </etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
>> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
>> userdb {
>> driver = passwd
>> }
>> userdb {
>> args = /etc/dovecot/dovecot-ldap.conf.ext
>> driver = ldap
>> }
>> verbose_ssl = yes
>>
>> -----Original Message-----
>> From: Mark Foley <mfoley at ohprs.org>
>> Date: Wed, 02 Sep 2015 13:31:35 -0400
>> To: dovecot at dovecot.org
>> Subject: How to "Windows Authenticate"
>>
>> I've been using Dovecot 2.2.15 as the IMAP server for Outlook
>> (2010/2013) on
>> Windows workstations for over 6 months with no problems.? Dovecot is
>> hosted on
>> the office Samba4 AC/DC server.
>>
>> I have been using auth_mechanisms plain login, and passdb driver
>> shadow.
>>
>> What I'd like to do now is use the "Windows
Authenticated" login so I
>> don't have
>> to have separate passwords for users logging into the Windows AD
>> workstations
>> and their Outlook clients.
>>
>> If anyone has actually done this I'd appreciate some tips. My
various
>> attempts
>> have not been successful.
>>
>> Here is my current config:
>>
>> $ doveconf -n
>> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
>> # OS: Linux 3.10.17 x86_64 Slackware 14.1
>> auth_debug_passwords = yes
>> auth_mechanisms = plain login
>> auth_verbose = yes
>> auth_verbose_passwords = plain
>> disable_plaintext_auth = no
>> info_log_path = /var/log/dovecot_info
>> mail_location = maildir:~/Maildir
>> passdb {
>> ? driver = shadow
>> }
>> protocols = imap
>> ssl_cert = </etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
>> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
>> userdb {
>> ? driver = passwd
>> }
>> verbose_ssl = yes
>>
>> Thanks, Mark Foley
>>
>> From dovecot-bounces at dovecot.org? Wed Sep? 2 13:32:13 2015
>> Return-Path: <dovecot-bounces at dovecot.org>
>> X-Virus-Status: Clean
>> X-Virus-Scanned: clamav-milter 0.98.6 at mail
>> X-Spam-Checker-Version: SpamAssassin 3.3.2-_revision__1.14__
>> (2011-06-06) on
>> ? ? ? ? mail.hprs.local
>> X-Spam-Level:
>> X-Spam-Status: No, score=0.0 required=3.0 tests=none
>> autolearn=unavailable
>> ? ? ? ? version=3.3.2-_revision__1.14__
>> X-Original-To: dovecot at dovecot.org
>> Delivered-To: dovecot at dovecot.org
>> X-Virus-Status: Clean
>> X-Virus-Scanned: clamav-milter 0.98.6 at mail
>> From: Mark Foley <mfoley at ohprs.org>
>> Date: Wed, 02 Sep 2015 13:31:35 -0400
>> Organization: Ohio Highway Patrol Retirement System
>> To: dovecot at dovecot.org
>> Subject: How to "Windows Authenticate"
>> User-Agent: Heirloom mailx 12.5 7/5/10
>> Content-Type: text/plain; charset=us-ascii
>> X-BeenThere: dovecot at dovecot.org
>> X-Mailman-Version: 2.1.17
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>> List-Id: Dovecot Mailing List <dovecot.dovecot.org>
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<http://dovecot.org/cgi-bin/mailman/options/dovecot>,
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>> Errors-To: dovecot-bounces at dovecot.org
>> Sender: "dovecot" <dovecot-bounces at dovecot.org>
>> Status: R
>>
>> I've been using Dovecot 2.2.15 as the IMAP server for Outlook
>> (2010/2013) on
>> Windows workstations for over 6 months with no problems.? Dovecot is
>> hosted on
>> the office Samba4 AC/DC server.
>>
>> I have been using auth_mechanisms plain login, and passdb driver
>> shadow.
>>
>> What I'd like to do now is use the "Windows
Authenticated" login so I
>> don't have
>> to have separate passwords for users logging into the Windows AD
>> workstations
>> and their Outlook clients.
>>
>> If anyone has actually done this I'd appreciate some tips. My
various
>> attempts
>> have not been successful.
>>
>> Here is my current config:
>>
>> $ doveconf -n
>> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
>> # OS: Linux 3.10.17 x86_64 Slackware 14.1
>> auth_debug_passwords = yes
>> auth_mechanisms = plain login
>> auth_verbose = yes
>> auth_verbose_passwords = plain
>> disable_plaintext_auth = no
>> info_log_path = /var/log/dovecot_info
>> mail_location = maildir:~/Maildir
>> passdb {
>> driver = shadow
>> }
>> protocols = imap
>> ssl_cert = </etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
>> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
>> userdb {
>> driver = passwd
>> }
>> verbose_ssl = yes
>> Thanks, Mark Foley
>
> ?

Mark Foley

2015-Sep-08 01:28 UTC

head link

How to "Windows Authenticate"

Comments interspersed with yours ...

--Mark

-----Original Message-----> Date: Sun, 06 Sep 2015 20:00:11 -0500
> From: Rick Romero <rick at havokmon.com>
> To: dovecot at dovecot.org
> Subject: Re: How to "Windows Authenticate"
>
>   Hmm.  I would expect to see 'mark at hprs.com'.  Whatever your
full domain
> name is.
Full user at domain would be mark at hprs.local
> It also won't look up /etc/shadow - Samba is doing the AD->Unix UID
> mapping.  Your AD users shouldn't be in there when all is said and
done.
I was thinking this too.  I don't know why NTLM would need a userdb at all. 
It
should just use something like ntlm_auth (which is configured in
auth_winbind_helper).

What if I simply removed the userdb?  What would you recommend for userdb,
passdb?
> Well, at when I did a Samba4 install as a DC it still behaved like a Samba3
> member, and there were no AD users in the local unix passwd files.
>
> What does wbinfo -u provide?  It should list all your users - especially
> because it's an DC.  Whatever wbinfo -u shows, you may need to adjust
> another config file to match waht Dovecot is receiving. 
$ wbinfo -u

Administrator
Guest
krbtgt
dns-mail
mark
sogo
**arr
**ress
**mith
**nee
**ris
**atterson
**armaine
**tkeson
**mmitoh

These are all the AD users (most obfuscated for a bit of security). I am testing
with user mark.
>
> I assume /etc/nsswitch.conf has been modified to use Samba?
>
Unless the Samba provision did something to nnswitch, I've done nothing; nor
have I seen anything in the Samba or dovecot wikis suggesting changes.  Remember
also that the Samba4 AD/DC works perfectly with redirected folders and users
logging on to any Windows workstations, and works perfectly with things wanting
"Windows Authentication" like SQLserver, so the "Windows
Authentication" does
work at some level.  My /etc/nsswitch.conf is:

passwd:         compat
group:          compat

hosts:          files dns
networks:       files

services:       files
protocols:      files
rpc:            files
ethers:         files
netmasks:       files
netgroup:       files
bootparams:     files

automount:      files
aliases:        files
> Sorry I haven't done this, but it doesn't seem like anyone else has
either
> - so I'm just shooting in the dark here trying to get you steered in
the
> right direction...
>
> Rick
Yeah, I can't seem to find a soul on the planet who has actually done this.
If I
get it figured out I'll post with a suggestion to Timo to wiki-ize it.

I'm a bit puzzled that no one appears to have done this. I would think that
a
Samba4 AD/DC in a office environment with lots of Windows workstations running
Outlook would be about the most common environment there is; especially now that
Small Business Server is no longer sold and Server Essentials does not support
Exchange. What are all the SBS/Exchange/Outlook small businesses doing? Limping
along with SBS2008/11, or putting their email in Outlook.com? Seems like the
Samba4/dovecot/Outlook combo would be an ideal migration.

I appreciate your help.
>
> Quoting Mark Foley <mfoley at ohprs.org>:
>
> > More info ...
> >
> > My dovecot error log shows:
> >
> > Sep 05 16:45:19 auth: Debug: client in: AUTH? ? 1? ? ? ?NTLM? ?
> > service=imap
> > Sep 05 16:45:19 auth: Debug: client passdb out: OK? ? ? 1? ? ?
> > ?user=mark at hprs? original_user=mark at HPRS
> > Sep 05 16:45:19 auth: Debug: master in: REQUEST 998899713? ? ?
> ?10219?
> > ?1? ? ? ?f56352c207cb8f6dea4d264b2c0f8dc1? ? ?
> ?session_pid=10220? ? ?
> > ?request_auth_token
> > Sep 05 16:45:19 auth-worker(5498): Debug:
> > shadow(mark at hprs,192.168.0.58): lookup
> > Sep 05 16:45:19 auth-worker(5498): Info: shadow(mark at
hprs,192.168.0.58):
> > unknown user
> > Sep 05 16:45:19 auth: Debug: master userdb out: NOTFOUND? ? ? ?
> 998899713
> >
> > whereas the successful 'plain login' config'ed mechanism
(before adding
> > NTLM
> > config) have:
> >
> > Sep 06 20:27:38 auth-worker(18616): Debug: shadow(mark,104.6.249.210):
> > lookup
> >
> > The failed ntlm look-up is looking up user mark at hprs in shadow,
which it
> > doesn't
> > find. Is there a way to strip the "@hprs" bit from the user
so it can
> > find the
> > correct entry in /etc/shadow? That might fix the problem.
> >
> > --Mark
> >
> > -----Original Message-----
> > From: Mark Foley <mfoley at ohprs.org>
> > Date: Sat, 05 Sep 2015 17:12:50 -0400
> > To: dovecot at dovecot.org
> > Subject: Re: How to "Windows Authenticate"
> >
> > Rick et al,
> >
> > The link you gave was a start, but is targeted for Samba3 and is
> > assuming a
> > probably Windows [SBS]Server AD/DC separate from the DC hosting
dovecot,
> > and
> > includes setting up kerberos.
> >
> > I'm using a Samba4 AD/DC with integrated kerberos (so I don't
think
> > there is any
> > setup I can do there).? Nevertheless I've followed the
instructions
> > otherwise;
> > specifically adding to 10-auto.conf the following recommended lines:
> >
> > auth_use_winbind = yes
> > auth_winbind_helper_path = /usr/bin/ntlm_auth
> > mechanisms = plain ntlm login
> >
> > (Before, my 'mechanisms' were only plain and login).
/usr/bin/ntlm_auth
> > has
> > global r/w privilege.
> >
> > I did not specify the static userdb since these users are configued in
> > /etc/passwd and I thought that would work; example given in link
(could
> > that be
> > an issue?):
> >
> > userdb static {
> > ? args= uid=501 gid=501 home=/home/vmail/%1Ln/%Ln
> > ? mail=maildir:/home/vmail/%d/%1Ln/%Ln:INBOX=/home/vmail/%d/%1Ln/%Ln
> > ? allow_all_users=yes
> > }
> >
> > This didn't work. Also, existing, working Outlook connections
using
> > 'logon'
> > (i.e. the userID and PW are configured in Outlook) stopped working.
> >
> > I changed a test Outlook client to check the 'Request login using
Secure
> > Password Authentication (SPA)' and also checked: More Settings
>
> > Outgoing Server
> >> My outgoing server (SMTP) requires authentication' and
'Use same
> >> settings as
> >
> > my incoming mail server'.? Note that on the "Change
Account" dialog
> > (where the
> > SPA checkbox is) the 'User Name' and 'Password'
retained their values
> > and were
> > not grayed out as I would have expected if using AD authentication.
> >
> > After doing the above and clicking 'Test Account Settings' I
was
> > re-promted to
> > enter a password - also not expected. At bottom are the Dovecot log
> > message I
> > received after doing the 'Test Account Settings'.
> >
> > Surely, connecting from an Outlook client to Dovecot on a Samba4 AD/DC
> > should be
> > a very common implementation. Has someone done this successfully?
> >
> > Immediately below is my doveconf -n and below that the dovecot log
> > messages.
> >
> >> doveconf -n
> >
> > # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> > # OS: Linux 3.10.17 x86_64 Slackware 14.1
> > auth_debug_passwords = yes
> > auth_mechanisms = plain ntlm login
> > auth_use_winbind = yes
> > auth_verbose = yes
> > auth_verbose_passwords = plain
> > disable_plaintext_auth = no
> > info_log_path = /var/log/dovecot_info
> > mail_location = maildir:~/Maildir
> > passdb {
> > driver = shadow
> > }
> > protocols = imap
> > ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> > ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> > userdb {
> > driver = passwd
> > }
> > verbose_ssl = yes
> >
> > dovecot log after doing 'Test Account Settings' in Outlook:
> >
> > Sep 05 16:45:19 imap-login: Debug: SSL: elliptic curve secp384r1 will
be
> > used for ECDH and ECDHE key exchanges
> > Sep 05 16:45:19 imap-login: Debug: SSL: elliptic curve secp384r1 will
be
> > used for ECDH and ECDHE key exchanges
> > Sep 05 16:45:19 auth: Debug: auth client connected (pid=10219)
> > Sep 05 16:45:19 auth: Debug: client in: AUTH? ? ? ? 1? ? ? ?
> NTLM? ? ? ?
> > service=imap? ? ? ? session=HXssGAYf0ADAqAA6? ? ? ?
> lip=192.168.0.2? ? ?
> > ? rip=192.168.0.58? ? ? ? lport=143? ? ? ? rport=52944
> > Sep 05 16:45:19 auth: Debug: client passdb out: CONT? ? ? ? 1
> > Sep 05 16:45:19 auth: Debug: client passdb out: OK? ? ? ? 1? ? ?
> ?
> > user=mark at hprs? ? ? ? original_user=mark at HPRS
> > Sep 05 16:45:19 auth: Debug: master in: REQUEST? ? ? ? 998899713? ?
> ? ?
> > 10219? ? ? ? 1? ? ? ? f56352c207cb8f6dea4d264b2c0f8dc1? ? ? ?
> > session_pid=10220? ? ? ? request_auth_token
> > Sep 05 16:45:19 auth-worker(5498): Debug:
> > shadow(mark at hprs,192.168.0.58): lookup
> > Sep 05 16:45:19 auth-worker(5498): Info: shadow(mark at
hprs,192.168.0.58):
> > unknown user
> > Sep 05 16:45:19 auth: Debug: master userdb out: NOTFOUND? ? ? ?
> 998899713
> > Sep 05 16:45:19 imap-login: Info: Internal login failure (pid=10219
> > id=1) (internal failure, 1 successful auths): user=<mark at
hprs>,
> > method=NTLM, rip=192.168.0.58, lip=192.168.0.2, mpid=10220,
> > session=<HXssGAYf0ADAqAA6>
> > Sep 05 16:46:22 imap-login: Debug: SSL: elliptic curve secp384r1 will
be
> > used for ECDH and ECDHE key exchanges
> > Sep 05 16:46:22 imap-login: Debug: SSL: elliptic curve secp384r1 will
be
> > used for ECDH and ECDHE key exchanges
> > Sep 05 16:46:22 auth: Debug: Loading modules from directory:
> > /usr/local/lib/dovecot/auth
> > Sep 05 16:46:22 auth: Debug: Read auth token secret from
> > /usr/local/var/run/dovecot/auth-token-secret.dat
> > Sep 05 16:46:22 auth: Debug: auth client connected (pid=13487)
> > Sep 05 16:46:22 auth: Debug: client in: AUTH? ? ? ? 1? ? ? ?
> NTLM? ? ? ?
> > service=imap? ? ? ? session=IlvqGwYf0wDAqAA6? ? ? ?
> lip=192.168.0.2? ? ?
> > ? rip=192.168.0.58? ? ? ? lport=143? ? ? ? rport=52947
> > Sep 05 16:46:22 auth: Debug: client passdb out: OK? ? ? ? 1? ? ?
> ?
> > user=mark at hprs? ? ? ? original_user=mark at HPRS
> > Sep 05 16:46:22 auth: Debug: master in: REQUEST? ? ? ? 3030384641?
> ? ? ?
> > 13487? ? ? ? 1? ? ? ? bac5f6531f9d4c3316f93bd4c4a63ddd? ? ? ?
> > session_pid=13491? ? ? ? request_auth_token
> > Sep 05 16:46:22 auth-worker(13492): Debug: Loading modules from
> > directory: /usr/local/lib/dovecot/auth
> > Sep 05 16:46:22 auth-worker(13492): Debug:
> > shadow(mark at hprs,192.168.0.58): lookup
> > Sep 05 16:46:22 auth-worker(13492): Info:
> > shadow(mark at hprs,192.168.0.58): unknown user
> > Sep 05 16:46:22 auth: Debug: master userdb out: NOTFOUND? ? ? ?
> 3030384641
> > Sep 05 16:46:22 imap-login: Info: Internal login failure (pid=13487
> > id=1) (internal failure, 1 successful auths): user=<mark at
hprs>,
> > method=NTLM, rip=192.168.0.58, lip=192.168.0.2, mpid=13491,
> > session=<IlvqGwYf0wDAqAA6>
> >
> > Thanks --Mark
> >
> > -----Original Message-----
> >> Date: Thu, 03 Sep 2015 06:53:19 -0500
> >> From: Rick Romero <rick at havokmon.com>
> >> To: dovecot at dovecot.org
> >> Subject: Re: How to "Windows Authenticate"
> >>
> >> ? Hi Mark,
> >>
> >> I haven't done it, but I've played with the scenario
enough to have an
> >> idea.
> >>
> >> What you want to do is have Outlook auth via NTLM to Dovecot.?
> >>
> >> First that means having the machine be a domain member (usually
via
> >> Samba)
> >> in order to properly process NTLM/Kerberos handshake - which it
appears
> >> you
> >> have.
> >> Second that means having Dovecot know how to accept NTLM
authentication
> >> (SPA) to pass to the Samba backend.
> >>
> >> A 'Dovecot NTLM' search led me here:
> >> http://wiki2.dovecot.org/HowTo/ActiveDirectoryNtlm
> >>
> >> What's not on the page that I'd expect to see, are the
compile-time
> >> requirements for inclucing samba/kerberos libs within Dovecot.? If
it
> >> doesn't 'just work' with the config changes in the
wiki, you may need to
> >> recompile with the right features.
> >>
> >> Also - check the permissions of the ntlm_auth program. That's
caused
> many
> >> issues with Radius installs, IIRC.
> >>
> >> Hope that helps!
> >>
> >> Rick
> >>
> >> Quoting Mark Foley <mfoley at ohprs.org>:
> >>
> >> This can't be that hard. I think I've enabled LDAP in
Dovecot just by
> >> including
> >> dovecot-ldap.conf.ext in 10-auth.conf and using the default
settings. I
> >> now have
> >> the configuration shown below. Two questions:
> >>
> >> 1. How do I set Outlook to authenticate with LDAP? Currently the
Outlook
> >> accounts still have the ID and password set in "Logon
Information".
> >> Checking
> >> "Require logon using Secure Password Authentication
(SPA)" doesn't work.
> >> All I
> >> can seem to find on the Internet is how to configure address books
using
> >> LDAP.
> >>
> >> 2. Should I remove "passdb { drive = shadow } from the
dovecot
> >> configuration?
> >>
> >> Anybody?
> >>
> >> $ doveconf -n
> >> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> >> # OS: Linux 3.10.17 x86_64 Slackware 14.1
> >> auth_debug_passwords = yes
> >> auth_mechanisms = plain login
> >> auth_verbose = yes
> >> auth_verbose_passwords = plain
> >> disable_plaintext_auth = no
> >> info_log_path = /var/log/dovecot_info
> >> mail_location = maildir:~/Maildir
> >> passdb {
> >> driver = shadow
> >> }
> >> passdb {
> >> args = /etc/dovecot/dovecot-ldap.conf.ext
> >> driver = ldap
> >> }
> >> protocols = imap
> >> ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> >> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> >> userdb {
> >> driver = passwd
> >> }
> >> userdb {
> >> args = /etc/dovecot/dovecot-ldap.conf.ext
> >> driver = ldap
> >> }
> >> verbose_ssl = yes
> >>
> >> -----Original Message-----
> >> From: Mark Foley <mfoley at ohprs.org>
> >> Date: Wed, 02 Sep 2015 13:31:35 -0400
> >> To: dovecot at dovecot.org
> >> Subject: How to "Windows Authenticate"
> >>
> >> I've been using Dovecot 2.2.15 as the IMAP server for Outlook
> >> (2010/2013) on
> >> Windows workstations for over 6 months with no problems.? Dovecot
is
> >> hosted on
> >> the office Samba4 AC/DC server.
> >>
> >> I have been using auth_mechanisms plain login, and passdb driver
> >> shadow.
> >>
> >> What I'd like to do now is use the "Windows
Authenticated" login so I
> >> don't have
> >> to have separate passwords for users logging into the Windows AD
> >> workstations
> >> and their Outlook clients.
> >>
> >> If anyone has actually done this I'd appreciate some tips. My
various
> >> attempts
> >> have not been successful.
> >>
> >> Here is my current config:
> >>
> >> $ doveconf -n
> >> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> >> # OS: Linux 3.10.17 x86_64 Slackware 14.1
> >> auth_debug_passwords = yes
> >> auth_mechanisms = plain login
> >> auth_verbose = yes
> >> auth_verbose_passwords = plain
> >> disable_plaintext_auth = no
> >> info_log_path = /var/log/dovecot_info
> >> mail_location = maildir:~/Maildir
> >> passdb {
> >> ? driver = shadow
> >> }
> >> protocols = imap
> >> ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> >> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> >> userdb {
> >> ? driver = passwd
> >> }
> >> verbose_ssl = yes
> >>
> >> Thanks, Mark Foley
> >>
> >> From dovecot-bounces at dovecot.org? Wed Sep? 2 13:32:13 2015
> >> Return-Path: <dovecot-bounces at dovecot.org>
> >> X-Virus-Status: Clean
> >> X-Virus-Scanned: clamav-milter 0.98.6 at mail
> >> X-Spam-Checker-Version: SpamAssassin 3.3.2-_revision__1.14__
> >> (2011-06-06) on
> >> ? ? ? ? mail.hprs.local
> >> X-Spam-Level:
> >> X-Spam-Status: No, score=0.0 required=3.0 tests=none
> >> autolearn=unavailable
> >> ? ? ? ? version=3.3.2-_revision__1.14__
> >> X-Original-To: dovecot at dovecot.org
> >> Delivered-To: dovecot at dovecot.org
> >> X-Virus-Status: Clean
> >> X-Virus-Scanned: clamav-milter 0.98.6 at mail
> >> From: Mark Foley <mfoley at ohprs.org>
> >> Date: Wed, 02 Sep 2015 13:31:35 -0400
> >> Organization: Ohio Highway Patrol Retirement System
> >> To: dovecot at dovecot.org
> >> Subject: How to "Windows Authenticate"
> >> User-Agent: Heirloom mailx 12.5 7/5/10
> >> Content-Type: text/plain; charset=us-ascii
> >> X-BeenThere: dovecot at dovecot.org
> >> X-Mailman-Version: 2.1.17
> >> Precedence: list
> >> List-Id: Dovecot Mailing List <dovecot.dovecot.org>
> >> List-Unsubscribe:
<http://dovecot.org/cgi-bin/mailman/options/dovecot>,
> >> ? ? ? ? <mailto:dovecot-request at
dovecot.org?subject=unsubscribe>
> >> List-Archive: <http://dovecot.org/pipermail/dovecot/>
> >> List-Post: <mailto:dovecot at dovecot.org>
> >> List-Help: <mailto:dovecot-request at
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> >> List-Subscribe:
<http://dovecot.org/cgi-bin/mailman/listinfo/dovecot>,
> >> ? ? ? ? <mailto:dovecot-request at
dovecot.org?subject=subscribe>
> >> Errors-To: dovecot-bounces at dovecot.org
> >> Sender: "dovecot" <dovecot-bounces at dovecot.org>
> >> Status: R
> >>
> >> I've been using Dovecot 2.2.15 as the IMAP server for Outlook
> >> (2010/2013) on
> >> Windows workstations for over 6 months with no problems.? Dovecot
is
> >> hosted on
> >> the office Samba4 AC/DC server.
> >>
> >> I have been using auth_mechanisms plain login, and passdb driver
> >> shadow.
> >>
> >> What I'd like to do now is use the "Windows
Authenticated" login so I
> >> don't have
> >> to have separate passwords for users logging into the Windows AD
> >> workstations
> >> and their Outlook clients.
> >>
> >> If anyone has actually done this I'd appreciate some tips. My
various
> >> attempts
> >> have not been successful.
> >>
> >> Here is my current config:
> >>
> >> $ doveconf -n
> >> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> >> # OS: Linux 3.10.17 x86_64 Slackware 14.1
> >> auth_debug_passwords = yes
> >> auth_mechanisms = plain login
> >> auth_verbose = yes
> >> auth_verbose_passwords = plain
> >> disable_plaintext_auth = no
> >> info_log_path = /var/log/dovecot_info
> >> mail_location = maildir:~/Maildir
> >> passdb {
> >> driver = shadow
> >> }
> >> protocols = imap
> >> ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> >> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> >> userdb {
> >> driver = passwd
> >> }
> >> verbose_ssl = yes
> >> Thanks, Mark Foley
> >> From dovecot-bounces at dovecot.org? Thu Sep? 3 07:53:44 2015
> >> Return-Path: <dovecot-bounces at dovecot.org>
> >> X-Virus-Status: Clean
> >> X-Virus-Scanned: clamav-milter 0.98.6 at mail
> >> X-Spam-Checker-Version: SpamAssassin 3.3.2-_revision__1.14__
> >> (2011-06-06) on
> >> ? ? ? ? mail.hprs.local
> >> X-Spam-Level:
> >> X-Spam-Status: No, score=0.0 required=3.0 tests=none autolearn=ham
> >> ? ? ? ? version=3.3.2-_revision__1.14__
> >> X-Original-To: dovecot at dovecot.org
> >> Delivered-To: dovecot at dovecot.org
> >> Date: Thu, 03 Sep 2015 06:53:19 -0500
> >> From: Rick Romero <rick at havokmon.com>
> >> To: dovecot at dovecot.org
> >> Subject: Re: How to "Windows Authenticate"
> >> User-Agent: Internet Messaging Program (IMP) H5 (6.2.2)
> >> X-VFEmail-Originating-IP: MTA3LjEzNi4xNDQuMjMw
> >> X-VFEmail-AntiSpam: Notify admin at vfemail.net of any spam, and
include
> >> ? ? ? ? VFEmail headers
> >> Content-Type: text/plain; charset=UTF-8; format=flowed; DelSp=Yes
> >> Content-Disposition: inline
> >> Content-Description: Plaintext Message
> >> X-Content-Filtered-By: Mailman/MimeDel 2.1.17
> >> X-BeenThere: dovecot at dovecot.org
> >> X-Mailman-Version: 2.1.17
> >> Precedence: list
> >> List-Id: Dovecot Mailing List <dovecot.dovecot.org>
> >> List-Unsubscribe:
<http://dovecot.org/cgi-bin/mailman/options/dovecot>,
> >> ? ? ? ? <mailto:dovecot-request at
dovecot.org?subject=unsubscribe>
> >> List-Archive: <http://dovecot.org/pipermail/dovecot/>
> >> List-Post: <mailto:dovecot at dovecot.org>
> >> List-Help: <mailto:dovecot-request at
dovecot.org?subject=help>
> >> List-Subscribe:
<http://dovecot.org/cgi-bin/mailman/listinfo/dovecot>,
> >> ? ? ? ? <mailto:dovecot-request at
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> >> Errors-To: dovecot-bounces at dovecot.org
> >> Sender: "dovecot" <dovecot-bounces at dovecot.org>
> >> Status: R
> >>
> >> ? Hi Mark,
> >>
> >> I haven't done it, but I've played with the scenario
enough to have an
> >> idea.
> >>
> >> What you want to do is have Outlook auth via NTLM to Dovecot.?
> >>
> >> First that means having the machine be a domain member (usually
via
> >> Samba)
> >> in order to properly process NTLM/Kerberos handshake - which it
appears
> >> you
> >> have.
> >> Second that means having Dovecot know how to accept NTLM
authentication
> >> (SPA) to pass to the Samba backend.
> >>
> >> A 'Dovecot NTLM' search led me here:
> >> http://wiki2.dovecot.org/HowTo/ActiveDirectoryNtlm
> >>
> >> What's not on the page that I'd expect to see, are the
compile-time
> >> requirements for inclucing samba/kerberos libs within Dovecot.? If
it
> >> doesn't 'just work' with the config changes in the
wiki, you may need to
> >> recompile with the right features.
> >>
> >> Also - check the permissions of the ntlm_auth program. That's
caused
> many
> >> issues with Radius installs, IIRC.
> >>
> >> Hope that helps!
> >>
> >> Rick
> >>
> >> Quoting Mark Foley <mfoley at ohprs.org>:
> >>
> >> This can't be that hard. I think I've enabled LDAP in
Dovecot just by
> >> including
> >> dovecot-ldap.conf.ext in 10-auth.conf and using the default
settings. I
> >> now have
> >> the configuration shown below. Two questions:
> >>
> >> 1. How do I set Outlook to authenticate with LDAP? Currently the
Outlook
> >> accounts still have the ID and password set in "Logon
Information".
> >> Checking
> >> "Require logon using Secure Password Authentication
(SPA)" doesn't work.
> >> All I
> >> can seem to find on the Internet is how to configure address books
using
> >> LDAP.
> >>
> >> 2. Should I remove "passdb { drive = shadow } from the
dovecot
> >> configuration?
> >>
> >> Anybody?
> >>
> >> $ doveconf -n
> >> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> >> # OS: Linux 3.10.17 x86_64 Slackware 14.1
> >> auth_debug_passwords = yes
> >> auth_mechanisms = plain login
> >> auth_verbose = yes
> >> auth_verbose_passwords = plain
> >> disable_plaintext_auth = no
> >> info_log_path = /var/log/dovecot_info
> >> mail_location = maildir:~/Maildir
> >> passdb {
> >> driver = shadow
> >> }
> >> passdb {
> >> args = /etc/dovecot/dovecot-ldap.conf.ext
> >> driver = ldap
> >> }
> >> protocols = imap
> >> ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> >> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> >> userdb {
> >> driver = passwd
> >> }
> >> userdb {
> >> args = /etc/dovecot/dovecot-ldap.conf.ext
> >> driver = ldap
> >> }
> >> verbose_ssl = yes
> >>
> >> -----Original Message-----
> >> From: Mark Foley <mfoley at ohprs.org>
> >> Date: Wed, 02 Sep 2015 13:31:35 -0400
> >> To: dovecot at dovecot.org
> >> Subject: How to "Windows Authenticate"
> >>
> >> I've been using Dovecot 2.2.15 as the IMAP server for Outlook
> >> (2010/2013) on
> >> Windows workstations for over 6 months with no problems.? Dovecot
is
> >> hosted on
> >> the office Samba4 AC/DC server.
> >>
> >> I have been using auth_mechanisms plain login, and passdb driver
> >> shadow.
> >>
> >> What I'd like to do now is use the "Windows
Authenticated" login so I
> >> don't have
> >> to have separate passwords for users logging into the Windows AD
> >> workstations
> >> and their Outlook clients.
> >>
> >> If anyone has actually done this I'd appreciate some tips. My
various
> >> attempts
> >> have not been successful.
> >>
> >> Here is my current config:
> >>
> >> $ doveconf -n
> >> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> >> # OS: Linux 3.10.17 x86_64 Slackware 14.1
> >> auth_debug_passwords = yes
> >> auth_mechanisms = plain login
> >> auth_verbose = yes
> >> auth_verbose_passwords = plain
> >> disable_plaintext_auth = no
> >> info_log_path = /var/log/dovecot_info
> >> mail_location = maildir:~/Maildir
> >> passdb {
> >> ? driver = shadow
> >> }
> >> protocols = imap
> >> ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> >> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> >> userdb {
> >> ? driver = passwd
> >> }
> >> verbose_ssl = yes
> >>
> >> Thanks, Mark Foley
> >>
> >> From dovecot-bounces at dovecot.org? Wed Sep? 2 13:32:13 2015
> >> Return-Path: <dovecot-bounces at dovecot.org>
> >> X-Virus-Status: Clean
> >> X-Virus-Scanned: clamav-milter 0.98.6 at mail
> >> X-Spam-Checker-Version: SpamAssassin 3.3.2-_revision__1.14__
> >> (2011-06-06) on
> >> ? ? ? ? mail.hprs.local
> >> X-Spam-Level:
> >> X-Spam-Status: No, score=0.0 required=3.0 tests=none
> >> autolearn=unavailable
> >> ? ? ? ? version=3.3.2-_revision__1.14__
> >> X-Original-To: dovecot at dovecot.org
> >> Delivered-To: dovecot at dovecot.org
> >> X-Virus-Status: Clean
> >> X-Virus-Scanned: clamav-milter 0.98.6 at mail
> >> From: Mark Foley <mfoley at ohprs.org>
> >> Date: Wed, 02 Sep 2015 13:31:35 -0400
> >> Organization: Ohio Highway Patrol Retirement System
> >> To: dovecot at dovecot.org
> >> Subject: How to "Windows Authenticate"
> >> User-Agent: Heirloom mailx 12.5 7/5/10
> >> Content-Type: text/plain; charset=us-ascii
> >> X-BeenThere: dovecot at dovecot.org
> >> X-Mailman-Version: 2.1.17
> >> Precedence: list
> >> List-Id: Dovecot Mailing List <dovecot.dovecot.org>
> >> List-Unsubscribe:
<http://dovecot.org/cgi-bin/mailman/options/dovecot>,
> >> ? ? ? ? <mailto:dovecot-request at
dovecot.org?subject=unsubscribe>
> >> List-Archive: <http://dovecot.org/pipermail/dovecot/>
> >> List-Post: <mailto:dovecot at dovecot.org>
> >> List-Help: <mailto:dovecot-request at
dovecot.org?subject=help>
> >> List-Subscribe:
<http://dovecot.org/cgi-bin/mailman/listinfo/dovecot>,
> >> ? ? ? ? <mailto:dovecot-request at
dovecot.org?subject=subscribe>
> >> Errors-To: dovecot-bounces at dovecot.org
> >> Sender: "dovecot" <dovecot-bounces at dovecot.org>
> >> Status: R
> >>
> >> I've been using Dovecot 2.2.15 as the IMAP server for Outlook
> >> (2010/2013) on
> >> Windows workstations for over 6 months with no problems.? Dovecot
is
> >> hosted on
> >> the office Samba4 AC/DC server.
> >>
> >> I have been using auth_mechanisms plain login, and passdb driver
> >> shadow.
> >>
> >> What I'd like to do now is use the "Windows
Authenticated" login so I
> >> don't have
> >> to have separate passwords for users logging into the Windows AD
> >> workstations
> >> and their Outlook clients.
> >>
> >> If anyone has actually done this I'd appreciate some tips. My
various
> >> attempts
> >> have not been successful.
> >>
> >> Here is my current config:
> >>
> >> $ doveconf -n
> >> # 2.2.15: /usr/local/etc/dovecot/dovecot.conf
> >> # OS: Linux 3.10.17 x86_64 Slackware 14.1
> >> auth_debug_passwords = yes
> >> auth_mechanisms = plain login
> >> auth_verbose = yes
> >> auth_verbose_passwords = plain
> >> disable_plaintext_auth = no
> >> info_log_path = /var/log/dovecot_info
> >> mail_location = maildir:~/Maildir
> >> passdb {
> >> driver = shadow
> >> }
> >> protocols = imap
> >> ssl_cert =
</etc/ssl/certs/OHPRS/GoDaddy/Apache/c5fe0cc8242d6030.crt
> >> ssl_key = </etc/ssl/certs/OHPRS/GoDaddy/mail.ohprs.org.key
> >> userdb {
> >> driver = passwd
> >> }
> >> verbose_ssl = yes
> >> Thanks, Mark Foley
> >
> > ?
>

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