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Thread: invalid credentials

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  1. #1
    Join Date
    May 2009
    Rep Power

    Default invalid credentials

    Small problem occurred while trying to authenticate users via Zimbra’s ldap server. I have 15 thinclient workstations which are used by students. I would like to configure those machines to authenticate students through their zimbra accounts.

    On my ltsp-ubuntu 10.4 server I installed libpam-ldap and configured it like this:

    base dc=student,dc=my,dc=domain,dc=com
    uri ldap://
    ldap_version 3
    binddn cn=config
    bindpw cnPasswd
    rootbinddn uid=zimbra,cn=admins,cn=zimbra
    #ldap.secret file contains password
    bind_policy soft
    pam_password md5
    nss_initgroups_ignoreusers avahi,avahi-autoipd,backup,bin,couchdb,daemon,dhcpd,games,gdm, gnats,haldaemon,hplip,irc,kernoops,libuuid,list,lp ,mail,man,messagebus,nbd,news,proxy,pulse,root,rtk it,saned,speech-dispatcher,sshd,sync,sys,syslog,tftp,usbmux,uucp,w ww-data

    account [success=2 new_authtok_reqd=done default=ignore]
    account [success=1 default=ignore]
    account requisite
    account required

    auth [success=2 default=ignore] nullok_secure
    auth [success=1 default=ignore] use_first_pass
    auth requisite
    auth required

    password [success=2 default=ignore] obscure sha512
    password [success=1 user_unknown=ignore default=die] use_authtok try_first_pass
    password requisite
    password required

    session [default=1]
    session requisite
    session sufficient
    session optional nox11

    passwd: files ldap
    group: files ldap
    shadow: compat
    hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
    networks: files
    protocols: db files
    services: db files
    ethers: db files
    rpc: db files
    netgroup: nis

    When I try to login with credentials which are stored in ldap server (student01 / studentspass) I got a response saying permission denied, wrong password.

    thinserver's auth.log:
    pam_ldap: error trying to bind as user “uid=student01, ou=people, dc=student,dc=my,dc=domain,dc=com” (invalid credentials)

    On zimbra side, I included nis.schema in slapd.conf file but didn't add posix Admin extension, nor posix account.

    Any suggestions? I can't figure out this one... Thanx

  2. #2
    Join Date
    Aug 2010
    Rep Power


    I have the same problem, did you ever solve this issue? I constantly get invalidCredentials no matter what. Even if i set the userPassword field blank and login in with a blank password.

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