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Old 02-23-2008, 10:47 AM   #1
zerocool22
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Registered: Feb 2008
Posts: 95

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linux and active direcotry authentication


Hey,

I have a problem authenticating linux and active directory. I followed the following tutorial http://adminspotting.net/articles/wi...directory.html
.
I can use ldapsearch to find the scout the user in active directory, and get the info, but only with the scout user, any other user is giving errors.
If i enter the getent passwd i only get local users and none of active directory. So also i cannot login as a active directory user. What can i do to fix this problem? These are my linux files, my server2003 has only installed dns server and unix attributes.

Ldap/ldap.conf
---------------
BASE dc=server, dc=jack, dc=be
URI ldap://192.168.100.132/
HOST 192.168.100.132

etc/libnss-ldap.conf
--------------------
###DEBCONF###
# the configuration of this file will be done by debconf as long as the
# first line of the file says '###DEBCONF###'
#
# you should use dpkg-reconfigure libnss-ldap to configure this file.
#
@(#)$Id: ldap.conf,v 2.47 2006/05/15 08:13:44 lukeh Exp $
#
# This is the configuration file for the LDAP nameservice
# switch library and the LDAP PAM module.
#
# PADL Software
# http://www.padl.com
#

# Your LDAP server. Must be resolvable without using LDAP.
# Multiple hosts may be specified, each separated by a
# space. How long nss_ldap takes to failover depends on
# whether your LDAP client library supports configurable
# network or connect timeouts (see bind_timelimit).
host 192.168.100.132

# The distinguished name of the search base.
base dc=server,dc=jack,dc=be

# Another way to specify your LDAP server is to provide an
uri ldap://192.168.100.132
# Unix Domain Sockets to connect to a local LDAP Server.
#uri ldap://127.0.0.1/
#uri ldaps://127.0.0.1/
#uri ldapi://%2fvar%2frun%2fldapi_sock/
# Note: %2f encodes the '/' used as directory separator

# The LDAP version to use (defaults to 3
# if supported by client library)
ldap_version 3

# The distinguished name to bind to the server with.
# Optional: default is to bind anonymously.
# Please do not put double quotes around it as they
# would be included literally.
binddn cn=scout,dc=server,dc=amco,dc=be

# The credentials to bind with.
# Optional: default is no credential.
bindpw password

# The distinguished name to bind to the server with
# if the effective user ID is root. Password is
# stored in /etc/libnss-ldap.secret (mode 600)
# Use 'echo -n "mypassword" > /etc/libnss-ldap.secret' instead
# of an editor to create the file.
rootbinddn cn=manager,dc=example,dc=net

# The port.
# Optional: default is 389.
#port 389

# The search scope.
scope sub
#scope one
#scope base

# Search timelimit
timelimit 30

# Bind/connect timelimit
#bind_timelimit 30

# Reconnect policy:
# hard_open: reconnect to DSA with exponential backoff if
# opening connection failed
# hard_init: reconnect to DSA with exponential backoff if
# initializing connection failed
# hard: alias for hard_open
# soft: return immediately on server failure
#bind_policy hard

# Connection policy:
# persist: DSA connections are kept open (default)
# oneshot: DSA connections destroyed after request
#nss_connect_policy persist

# Idle timelimit; client will close connections
# (nss_ldap only) if the server has not been contacted
# for the number of seconds specified below.
#idle_timelimit 3600

# Use paged rseults
#nss_paged_results yes

# Pagesize: when paged results enable, used to set the
# pagesize to a custom value
#pagesize 1000

# Filter to AND with uid=%s
#pam_filter objectclass=account

# The user ID attribute (defaults to uid)
#pam_login_attribute uid

# Search the root DSE for the password policy (works
# with Netscape Directory Server)
#pam_lookup_policy yes

# Check the 'host' attribute for access control
# Default is no; if set to yes, and user has no
# value for the host attribute, and pam_ldap is
# configured for account management (authorization)
# then the user will not be allowed to login.
#pam_check_host_attr yes

# Check the 'authorizedService' attribute for access
# control
# Default is no; if set to yes, and the user has no
# value for the authorizedService attribute, and
# pam_ldap is configured for account management
# (authorization) then the user will not be allowed
# to login.
#pam_check_service_attr yes

# Group to enforce membership of
#pam_groupdn cn=PAM,ou=Groups,dc=padl,dc=com

# Group member attribute
#pam_member_attribute uniquemember

# Specify a minium or maximum UID number allowed
#pam_min_uid 0
#pam_max_uid 0

# Template login attribute, default template user
# (can be overriden by value of former attribute
# in user's entry)
#pam_login_attribute userPrincipalName
#pam_template_login_attribute uid
#pam_template_login nobody

# HEADS UP: the pam_crypt, pam_nds_passwd,
# and pam_ad_passwd options are no
# longer supported.
#
# Do not hash the password at all; presume
# the directory server will do it, if
# necessary. This is the default.
#pam_password clear

# Hash password locally; required for University of
# Michigan LDAP server, and works with Netscape
# Directory Server if you're using the UNIX-Crypt
# hash mechanism and not using the NT Synchronization
# service.
#pam_password crypt

# Remove old password first, then update in
# cleartext. Necessary for use with Novell
# Directory Services (NDS)
#pam_password nds

# RACF is an alias for the above. For use with
# IBM RACF
#pam_password racf

# Update Active Directory password, by
# creating Unicode password and updating
# unicodePwd attribute.
#pam_password ad

# Use the OpenLDAP password change
# extended operation to update the password.
#pam_password exop

# Redirect users to a URL or somesuch on password
# changes.
#pam_password_prohibit_message Please visit http://internal to change your password.

# Use backlinks for answering initgroups()
#nss_initgroups backlink

# Enable support for RFC2307bis (distinguished names in group
# members)
#nss_schema rfc2307bis

# RFC2307bis naming contexts
# Syntax:
# nss_base_XXX base?scope?filter
# where scope is {base,one,sub}
# and filter is a filter to be &'d with the
# default filter.
# You can omit the suffix eg:
# nss_base_passwd ou=People,
# to append the default base DN but this
# may incur a small performance impact.
#nss_base_passwd ou=People,dc=padl,dc=com?one
#nss_base_shadow ou=People,dc=padl,dc=com?one
#nss_base_group ou=Group,dc=padl,dc=com?one
#nss_base_hosts ou=Hosts,dc=padl,dc=com?one
#nss_base_services ou=Services,dc=padl,dc=com?one
#nss_base_networks ou=Networks,dc=padl,dc=com?one
#nss_base_protocols ou=Protocols,dc=padl,dc=com?one
#nss_base_rpc ou=Rpc,dc=padl,dc=com?one
#nss_base_ethers ou=Ethers,dc=padl,dc=com?one
#nss_base_netmasks ou=Networks,dc=padl,dc=com?ne
#nss_base_bootparams ou=Ethers,dc=padl,dc=com?one
#nss_base_aliases ou=Aliases,dc=padl,dc=com?one
#nss_base_netgroup ou=Netgroup,dc=padl,dc=com?one

# attribute/objectclass mapping
# Syntax:
#nss_map_attribute rfc2307attribute mapped_attribute
#nss_map_objectclass rfc2307objectclass mapped_objectclass

# configure --enable-nds is no longer supported.
# NDS mappings
#nss_map_attribute uniqueMember member

# Services for UNIX 3.5 mappings
nss_map_objectclass posixAccount User
nss_map_objectclass shadowAccount User
#nss_map_attribute uid msSFU30Name
#nss_map_attribute uniqueMember msSFU30PosixMember
#nss_map_attribute userPassword msSFU30Password
nss_map_attribute homeDirectory msSFU30HomeDirectory
nss_map_attribute homeDirectory msSFUHomeDirectory
nss_map_attribute homeDirectory unixHomeDirectory
#nss_map_objectclass posixGroup Group
#pam_login_attribute msSFU30Name
#pam_filter objectclass=User
#pam_password ad

# configure --enable-mssfu-schema is no longer supported.
# Services for UNIX 2.0 mappings
#nss_map_objectclass posixAccount User
#nss_map_objectclass shadowAccount user
#nss_map_attribute uid msSFUName
#nss_map_attribute uniqueMember posixMember
#nss_map_attribute userPassword msSFUPassword
#nss_map_attribute homeDirectory msSFUHomeDirectory
#nss_map_attribute shadowLastChange pwdLastSet
#nss_map_objectclass posixGroup Group
#nss_map_attribute cn msSFUName
#pam_login_attribute msSFUName
#pam_filter objectclass=User
#pam_password ad

# RFC 2307 (AD) mappings
#nss_map_objectclass posixAccount user
#nss_map_objectclass shadowAccount user
#nss_map_attribute uid sAMAccountName
#nss_map_attribute homeDirectory unixHomeDirectory
#nss_map_attribute shadowLastChange pwdLastSet
#nss_map_objectclass posixGroup group
#nss_map_attribute uniqueMember member
#pam_login_attribute sAMAccountName
#pam_filter objectclass=User
#pam_password ad

# configure --enable-authpassword is no longer supported
# AuthPassword mappings
#nss_map_attribute userPassword authPassword

# AIX SecureWay mappings
#nss_map_objectclass posixAccount aixAccount
#nss_base_passwd ou=aixaccount,?one
#nss_map_attribute uid userName
#nss_map_attribute gidNumber gid
#nss_map_attribute uidNumber uid
#nss_map_attribute userPassword passwordChar
#nss_map_objectclass posixGroup aixAccessGroup
#nss_base_group ou=aixgroup,?one
#nss_map_attribute cn groupName
#nss_map_attribute uniqueMember member
#pam_login_attribute userName
#pam_filter objectclass=aixAccount
#pam_password clear

# For pre-RFC2307bis automount schema
#nss_map_objectclass automountMap nisMap
#nss_map_attribute automountMapName nisMapName
#nss_map_objectclass automount nisObject
#nss_map_attribute automountKey cn
#nss_map_attribute automountInformation nisMapEntry

# Netscape SDK LDAPS
#ssl on

# Netscape SDK SSL options
#sslpath /etc/ssl/certs

# OpenLDAP SSL mechanism
# start_tls mechanism uses the normal LDAP port, LDAPS typically 636
#ssl start_tls
#ssl on

# OpenLDAP SSL options
# Require and verify server certificate (yes/no)
# Default is to use libldap's default behavior, which can be configured in
# /etc/openldap/ldap.conf using the TLS_REQCERT setting. The default for
# OpenLDAP 2.0 and earlier is "no", for 2.1 and later is "yes".
#tls_checkpeer yes

# CA certificates for server certificate verification
# At least one of these are required if tls_checkpeer is "yes"
#tls_cacertfile /etc/ssl/ca.cert
#tls_cacertdir /etc/ssl/certs

# Seed the PRNG if /dev/urandom is not provided
#tls_randfile /var/run/egd-pool

# SSL cipher suite
# See man ciphers for syntax
#tls_ciphers TLSv1

# Client certificate and key
# Use these, if your server requires client authentication.
#tls_cert
#tls_key

# Disable SASL security layers. This is needed for AD.
#sasl_secprops maxssf=0

# Override the default Kerberos ticket cache location.
#krb5_ccname FILE:/etc/.ldapcache


/etc/nsswitch.conf
----------------------
#
# Example configuration of GNU Name Service Switch functionality.
# If you have the `glibc-doc-reference' and `info' packages installed, try:
# `info libc "Name Service Switch"' for information about this file.

passwd: ldap files
group: ldap files
shadow: ldap files

hosts: files dns
networks: files

protocols: db files
services: db files
ethers: db files
rpc: db files

netgroup: nis
 
Old 02-24-2008, 03:45 PM   #2
acid_kewpie
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Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
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well that config is set to use attributes from MSFU. Do you have MSFU extensions installed on your AD?

in general you will only get any output on your getent if you have a full valid entry obtained for each one. whilst it's possible for some fields to be missing, things like name, shell, uid etc.. must all be filled. i've generally found wireshark useful for finding what attributes actualy are coming over the wire for your use, and also if you find one attribute that does work, use that for all fields and then work on sorting the right ones out one at a time.
 
Old 02-24-2008, 03:46 PM   #3
acid_kewpie
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also, this is nothing to do with networking. move to linux - server.
 
Old 02-25-2008, 01:52 AM   #4
zerocool22
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Registered: Feb 2008
Posts: 95

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yeah i have installed MSFU extensions and set off firewalls but no still no go.
 
Old 02-25-2008, 03:25 AM   #5
acid_kewpie
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well as above, have a look at the actual ldap traffic on the wire, make sure you're authenticating, getting good data back etc.
 
  


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