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GBKevin

Windows 2003 Domain

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This is how I was able to configure Suse 10.0 to authenticate on a Windows 2003 Active Directory Server. I do not know if it will work on previous versions of Windows or with previous versions of Suse Linux.

 

Notes:

 

1.Any text that reads domain.internal (lower case) you will replace with your domain.

2.Any text that reads DOMAIN.INTERNAL (upper case) you will replace with your domain in upper case.

3.Any text that reads DOMAIN (upper case) you will replace with your domain (no .internal)

4.The NetBios name is the name of your client (workstation/computer)

 

 

This process will require the krb5-client (I installed all of it), Samba, and Samba-Winbind.

 

Steps

 

Step 1: Install the Required Packages – This can be done through Yast

 

Step 2: Edit the /etc/krb5.conf File

 

[logging]

default = FILE10000:/var/log/krb5lib.log

[libdefaults]

ticket_lifetime = 24000

default_realm = DOMAIN.INTERNAL

default_tkt_enctypes = des3-hmac-sha1 des-cbc-crc des-cbc-md5 aes256-cts arcfour-hmac-md5

default_tgs_enctypes = des3-hmac-sha1 des-cbc-crc des-cbc-md5 aes256-cts arcfour-hmac-md5

[realms]

DOMAIN.INTERNAL = {

kdc = domainserver.domain.internal

admin_server = domainserver.domain.internal

default_domain = DOMAIN.INTERNAL

}

[domain_realm]

.domain.internal = DOMAIN.INTERNAL

domain.internal = DOMAIN.INTERNAL

 

Step 3: Edit /etc/samba/smb.conf

 

[global]

security = ads

netbios name = NetBios Name

realm = DOMAIN.INTERNAL

password server = domainserver.domain.internal

workgroup = DOMAIN

idmap uid = 1000-29999

idmap gid = 1000-29999

winbind separator = +

winbind enum users = yes

winbind enum groups = yes

winbind use default domain = yes

template homedir = /home/%D/%U

template shell = /bin/bash

client use spnego = yes

domain master = no

server string =

 

Step 4: Test the configuration with the testparm command – You should be able to see what you entered in the samba.conf file.

 

Step 5: Edit /etc/nsswitch.conf to look like the example below

 

passwd: compat winbind

group: compat winbind

shadow: compat

hosts: files dns wins

networks: files

protocols: db files

services: db files

ethers: db files

rpc: db files

netgroup: nis

 

Step 6: Modify the PAM settings

 

These files are all located in the /etc/pam.d folder

 

File: common-account (It should contain only the following lines)

 

account sufficient pam_winbind.so

account required pam_unix.so

 

 

File: common-auth (It should contain only the following lines)

 

auth sufficient pam_winbind.so

auth required pam_unix.so nullok_secure use_first_pass

 

File: common-password file

 

password required pam_unix.so nullok obscure min=4 max=50 md5

 

File: common-session

 

session required pam_mkhomedir.so umask=0022 skel=/etc/skel

 

Step 7: Make a directory to hold domain user home directories

 

Note: Use Konsole for this

Note: Use the value you put in the WORKGROUP tag smb.conf file

 

mkdir /home/DOMAIN

 

Step 8: Initialize Kerberos

 

Note: Use Konsole for this

 

kinit domain_admin_account@DOMAIN.INTERNAL

 

Step 9: Check to be sure you got a ticket from the domain controller

 

Note: Use Konsole for this

 

klist

 

Step 10: Join the Domain

 

Note: Use Konsole for this

 

net ads join -U domainadminuser@DOMAIN.INTERNAL

 

Step 11: Restart Samba-related Services

 

Note: The order is important

Note: Use Konsole for this

 

/etc/init.d/smb stop

/etc/init.d/winbind stop

/etc/init.d/smb start

/etc/init.d/winbind start

 

Step 12: Attempt to switch user and logon as a domain member. If you can logon than you are successful.

 

Step 13: Configure SUDO

 

Add the “Domain Admins” group from windows to the /etc/sudoers file

 

%Domain Admins ALL=(ALL) ALL

 

Example:

# sudoers file

# Host alias specification

# User alias specification

# Cmnd alias specification

# Defaults specification

Defaults targetpw # ask for the password of the target user i.e. root

%users ALL=(ALL) ALL # WARNING! Only use this together with 'Defaults targetpw'!

# Runas alias specification

# User privilege specification

root ALL=(ALL) ALL

 

# Uncomment to allow people in group wheel to run all commands

%Domain Admins ALL=(ALL) ALL

 

# Same thing without a password

# %wheel ALL=(ALL) NOPASSWD: ALL

# Samples

# %users ALL=/sbin/mount /cdrom,/sbin/umount /cdrom

# %users localhost=/sbin/shutdown -h now

Step 14: See if Konsole will list user names and group names from Windows:

 

wbinfo -u

wbinfo -g

 

Step 15: Make sure the permission on the DOMAIN folder under Homes is set to the correct permissions so that the new users can create their folder on login.

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moved to samba and pinned

 

thanks for the post.

 

cheers

anyweb

Edited by anyweb

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