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Status Not under consideration
Created by Guest
Created on Dec 15, 2015

Better errors notification or commands to diagnose LDAP problem in HMC.

We are beginning to use LDAP to authenticate admins who are using the HMC, but are not having success.

We don't see any problems when using local authentication.
I have tested our LDAP settings from a Linux host with the "ldapsearch" tool available, and I can look up account details using the credentials
of the BindDN that has been provided to us.

When I update my user on the HMC to authenticate by LDAP, I am able to
login - but with the previous local password, not the LDAP password. I
do not see any errors in the Console Events log.
It turns out our issue was a typo in the LDAP connection strings, which
is something you can stare at for hours and not see. But I still need to
see if there's a better way we could have caught that.
Can you check to see if there is any way we can get additional
information out of the LDAP configuration on a HMC? I would love to see
a "cannot login using bind account" or "user xxx did not match search
criteria, denying login" message.

Idea priority Medium
  • Guest
    Feb 25, 2020

    Please see previous comments on ldapsearch option. If that doesn't address your requirement, please re-open with more info.

    Thanks.

  • Guest
    Sep 4, 2019

    Hi,

    ldapsearch can be used to validate the ldap settings and to get to know the errors. Please find below some examples of the same. Please let us know if this addresses the requirement.

    Valid Scenario :

    cmd -> ldapsearch -h 9.194.251.135 -D cn="",cn=Users,dc=corp,dc=ibm,dc=com -w -b cn=Users,dc=corp,dc=ibm,dc=com "cn=" -v
    ldap_initialize( ldap://9.194.251.135 )
    filter: cn=
    requesting: All userApplication attributes
    # extended LDIF
    #
    # LDAPv3
    # base with scope subtree
    # filter: cn=phani
    # requesting: ALL
    #
    .......
    ..

    Invalid Credentials :

    1. Space on bind dn string

    cmd -> ldapsearch -h ip -D cn="",cn=Users,dc=corp,dc =ibm,dc=com -w -b cn=Users,dc=corp,dc=ibm,dc=com "cn=" -v

    ldap_initialize( ldap://ip )
    ldap_bind: Invalid credentials (49)
    additional info: 80090308: LdapErr: DSID-0C0903A9, comment: AcceptSecurityContext error, data 52e, v1db1

    2. Invalid username/password of user who is going to bind the connection
    cmd -> ldapsearch -h ip -D cn="",cn=Users,dc=corp,dc=ibm,dc=com -w -b cn=Users,dc=corp,dc=ibm,dc=com "cn=" -v
    ldap_initialize( ldap://ip )
    ldap_bind: Invalid credentials (49)
    additional info: 80090308: LdapErr: DSID-0C0903A9, comment: AcceptSecurityContext error, data 52e, v1db1


    Invalid search filter :

    1. Space on search filter string

    cmd -> ldapsearch -h ip -D cn="",cn=Users,dc=corp,dc=ibm,dc=com -w -b cn=Users,dc= corp,dc=ibm,dc=com "cn=" -v

    ldap_initialize( ldap://ip )
    filter: =ibm,dc=com
    requesting: cn=phani
    # extended LDIF
    #
    # LDAPv3
    # base with scope subtree
    # filter: =ibm,dc=com
    # requesting: cn=phani
    #
    ldap_search_ext: Bad search filter (-7)


    2.
    cmd -> ldapsearch -h ip -D cn="",cn=Users,dc=corp,dc=ibm,dc=com -w -b cn= Users,dc=corp,dc=ibm,dc=com "cn=" -v

    ldap_initialize( ldap://ip )
    filter: Users,dc=corp,dc=ibm,dc=com
    requesting: cn=phani
    # extended LDIF
    #
    # LDAPv3
    # base with scope subtree
    # filter: Users,dc=corp,dc=ibm,dc=com
    # requesting: cn=phani
    #

  • Guest
    Jan 6, 2016

    Creating a new RFE based on Community RFE #81594 in product Power Hardware Management Console.