Winbind is part of the Samba suite and provides an NSS and PAM layer for Unix/Linux systems to integrate authentication with a Windows domain

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3
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2answers
1k views

Winbind/AD: Local users with identical AD usernames

We are getting ready to add Winbind/Samba to some CentOS servers. Identity Management for UNIX is running on our DC, and it's testing well so far. There is one scenario I'm having trouble with, and ...
1
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1answer
2k views

winbind separator and group name behavior in getent group, constantly changing

I have a problem that occasionally apprears-dissapears and it drives me nuts. My Debian servers are authenticated against AD and only "linuxadmins" group member can SSH to server and "sudo su". SSH ...
3
votes
1answer
1k views

vsftpd with pam_winbind.so

I'm trying to setup vsftpd to use logins from our domain. I want the ftp users to be able to login using their active directory username/password and have be able to have full access to ...
1
vote
3answers
8k views

Ubuntu + AD; Failed to join domain: failed to set machine spn: Constraint violation

I'm attempting to join a Ubuntu 12.04 server to Active Directory. I installed samba, and kb5-user, created a machine account in AD, and did: > net ads testjoin Join is OK So far so good. Then I ...
3
votes
2answers
24 views

linux - windows ad authentication - why join domain?

When using Windows AD to authenticate users on Linux servers is there an advantage to using Winbind and "Joining the Domain" over just authenticating via Kerberos and looking up UID,GID, home dir, etc ...
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0answers
83 views

Samba “force user” issue with AD Integration

I'm trying to connect from a windows client to a samba share on linux. The linux server could be successfully joined to AD. Authentication with "valid users = @DOMAIN\windowsgroup" also works ...
0
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0answers
13 views

Winbind forgets who I am

On one of our Ubuntu 14.04 servers, running Winbind 4.1.6+dfsg-1ubuntu2.14.04.9, Winbind periodically forgets who I am, resulting in strange errors like ssh aborting with an "unknown uid" error ...
0
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0answers
36 views

Output from “wbinfo --user-groups USER” and “wbinfo --group-info GROUP” do not match

I am using Red Hat Enterprise Linux Server release 6.7 with winbindd/smbd version 3.6.23-20.0.1.el6. I created some new AD groups and added existing users. I used this command: wbinfo --group-info ...
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0answers
32 views

Samba doesn't seem to stay joined to Active Directory domain [closed]

I can initially join a linux box to the domain with these commands: sudo kinit administrator@WINDOWS.CORP.SPRINGVENTUREGROUP.COM sudo net ads join -k After a few hours or the next day, this ...
0
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0answers
62 views

How can I use winbind to return a filter-id based on group membership?

I have a couple of FreeRadius 3.0.9 servers which were just put into production on our Meraki network. We want to use user group membership in Active Directory to determine policy to be carried out by ...
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0answers
20 views

Apache NTLM not authenicating domain username/password.

I have a centos box and I am trying to setup NTLM authenication for apache. I have the linux box on the AD domain already and able to get user and group info using the wbinfo command. I have the ...
0
votes
1answer
3k views

Authentication failure of OpenVPN client against Active Directory

I'm getting the following error (client side) when connecting to my OpenVPN server: AUTH: Received AUTH_FAILED control message and on the server I get thefollowing error message in teh openvpn ...
0
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0answers
4 views

Winbind increase idmap range

i have a computing cluster running and use likewise for connecting all machines to the AD. I want to add new machines using ldapsam. My issue is, that it seems to only offer idmap ranges from "idmap ...
1
vote
1answer
37 views

Removing a “semi joined” Ubuntu workstation from an Active Directory domain

I am joining an Ubuntu workstation to an MS AD. I had 1 or 2 config issues when I first tried to run net ads join which resulted in an error message and the workstation not being added correctly I ...
0
votes
1answer
6k views

How to use Active Directory's homeDirectory attribute for Samba?

I currently have a Samba share setup where I would like to share Unix folders with Windows users, with Active directory as the backend. I see that there is an attribute called homeDirectory in Active ...
2
votes
2answers
6k views

winbindd: kinit succeeded but ads_sasl_spnego_krb5_bind failed: Cannot contact any KDC for requested realm

While looking for reasons why logging in to a samba machines joined to Active Directory is slow I have the strong impression that the following error in my log file could be a hint. Apr 3 14:44:14 ...
0
votes
1answer
246 views

Cross domain - AD group membership changes not reflected in winbind

I have similar cases on this thread at AD group membership changes not reflected in winbind information. The only difference is that this only occurs on "cross domain" for my scenario. Here is my ...
9
votes
5answers
16k views

Linux + Active directory authentication + only letting certain groups login

I have some linux boxes that use Windows Active Directory authentication, that works just fine (Samba + Winbind). What I would like to do now though is only allow certain people or certain groups to ...
2
votes
1answer
329 views

Winbind not enumerating users and groups of trusted domain

I'm using Samba 4.1.6-Ubuntu in Ubuntu 14.04, for authenticating users from two domains with a one-way cross-forest trust between them. Samba machine is joined to DOMAINA, while DOMAINB is the trusted ...
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0answers
315 views

Create and Manage Windows NFS Shares for Linux Clients with AD Authentication

I have a Windows file server that I would like to create NFS shares on. These shares need to be accessible by both Windows 7 domain clients and Linux clients (Red Hat 5 & 6) using Samba/Winbind ...
0
votes
1answer
988 views

'realm join --client-software sssd' on centos-7 joins two realms (one with sssd and one with winbind)

On clean installed centos-7 host: realm join -U foo --client-software sssd AD.EXAMPLE.COM After running realm list output looks initially like this: AD.EXAMPLE.COM type: kerberos realm-name: ...
4
votes
0answers
271 views

Configure ntlm_auth for offline operations

We currently have a NAC server set up to authenticate against a Samba4 AD using the ntlm_auth utility and would like to make it more tolerant to network outages. Currently, when the NAC loses ...
1
vote
1answer
376 views

Ubuntu 14.04 Active Directory auth fails after static ip config

I'm having 6 Ubuntu 14.04 servers that are joined to active directory (2003 domain functional level 2008r2 schema) All of the servers work's fine when network interface is configured to use DHCP. But ...
1
vote
1answer
432 views

Fedora 21 as an AD member suddenly stopped working

I had my Fedora 21 workstation connected to my AD domain and working for about a month and all was well and then I came in one morning and couldn't login. My initial response was blaming Win2013 and ...
1
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0answers
77 views

winbind needs to be restarded after boot

Environment: Centos 6.6 Samba 3.6.23-12.el6 I have succesfully connected the server to an Active Directory Domain and I have configured it as a Samba File Server. It works fine as long as I reboot, ...
4
votes
1answer
2k views

Linux computer (Debian) in a Windows Active Directory Domain, Administrator of AD should have root permission after login

I managed to join my Debian machine (Squeeze) to an existing Active Directory (MS Windows 2008 R2 Server). Everything works fine, I can login using accounts from the Active Directory (NTP, Kerberos, ...
6
votes
2answers
3k views

Linux machine is in a windows domain, but domain logon isn't working

We have a small network in our department 2 Win Server 2008 Domain Controller 1 debian webserver a number of win7 Clients My predecssor tried to add the webserver to our domain in order to login ...
2
votes
0answers
127 views

Samba Shares Without Using Winbind

I am curious if it is possible to use samba shares without using winbind. In our current environment we are using SSSD, Kerberos, and Samba to complete the required tasks such as joining the windows ...
1
vote
0answers
365 views

AD Authentication with SAMBA, Winbind and SSS

I'm having trouble authentication with AD to a SAMBA share on a linux server. Authentication appears to be working, but only halfway... [root@myserver ~]# wbinfo -a my_ad_user%password123 ...
1
vote
1answer
3k views

Winbind Centos wrong UID/GID

Here's the scenario: I have two machine: Ubuntu, running ldap to authencticate users CentOs, uses winbind to authenticate users to mount homedirs I use fstab and nfs shares. The problem is this: ...
0
votes
1answer
957 views

Samba authenticates users, but does not reply

Sometimes the samba 4.1.11 stops serving the clients. Every day, I have to restart the smbd just to get this fixed. The windows clients say, that the shared device is unreachable or the authentication ...
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vote
2answers
5k views

Samba/Winbind: adding domain users to local groups based on domain group

I have a Redhat ES 6 server that's successfully joined to a domain via Winbind (i.e. I can login to the Redhat server using domain credentials with no issues). What I'm looking to do at this point is ...
1
vote
1answer
8k views

Samba4 net join member fails

I'm trying to join a RHEL6 server using samba4 to a domain. Net ads join works correctly, join member does not however. Effectively wbinfo --getdcname does not work where as wbinfo --dsgetdcname does. ...
1
vote
2answers
4k views

Linux nested groups with winbind

We have several RHEL6 servers connected to Active Directory using winbind. All servers are configured identically using a configuration management tool. Servers however produce different results when ...
2
votes
0answers
486 views

FreeRADIUS using Active Directory integration broken without any traces

I've a FreeBSD 10.0 server running FreeRADIUS 3 and things got broken without any apparent reason. I'm using Winbind from Samba4 to authenticate with ntlm_auth. I've done some debug to solve the ...
1
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0answers
396 views

after upgrade to winbind 3.6.24 the NT users cannot login into my RHEL4 box

I upgraded winbind/samba from 3.0.33 to 3.6.24 in a 32-bit RHEL4 box. The problem now is that any NT user cannot login. The error message found in /var/log/messages is Sep 3 09:05:20 node2 ...
2
votes
1answer
3k views

SSH instant logout after ssh login kerberos / winbind

I set up a ubuntu server which is authenticating against the active directory of our W2k8 Domain. Everything went well and I see all the users in getent passwd, and wbinfo. I want to be able to use ...
3
votes
1answer
2k views

Linux - How to control Winbind Authentication cache timeout

I have configured my linux machines (running CentOS 5.2) to authenticate against a Windows server running Active Directory. I have even enabled winbind offline logon. Everything works as expected, ...
4
votes
2answers
760 views

Samba/Winbind issues joing to Active directory domain

I'm currently in the process of setting up winbind/samba and getting a few issues. I can test connectivity with wbinfo fine: [root@buildmirror ~]# wbinfo -u hostname username administrator guest ...
1
vote
0answers
343 views

Apache + PAM + Winbind slow logins

Since upgrading our old Debian Lenny server to Ubuntu 12.04, we've noticed intermittent slow or failed access to Apache. Many or most web requests work fine, but occasionally, a Subversion client ...
1
vote
2answers
2k views

mounting windows shares on linux while keeping windows permissions

I have a windows share on a windows2003 server (WINJOE) which I want to back up to a Linux machine (LINUXJOE) that is properly joined to the domain. My goal is to backup shared folders of WINJOE to ...
-1
votes
1answer
168 views

forcing winbind/samba to use single server

In a network, there are 2 AD servers. We are integrating samba and squid with AD for user authentication. Interestingly one of the servers does not allow us for enough security level. So we have to ...
0
votes
0answers
380 views

Speeding up Winbind group lookups?

I have an RHEL 6 server bound to an AD domain. Everything works fine but group lookups are extremely slow. Some lookups can take over 60 seconds. This is very painful when running sudo and when users ...
1
vote
0answers
63 views

pam_mount on CentOS 5 NOT working with Winbind

I used the instructions located here: Installing pam_mount on CentOS 5 However, when I add the pam_mount.so entries, and reboot the machine, I cannot log in. Each time I enter the login and press ...
2
votes
0answers
492 views

Authentization agains Samba4 domain controler and not working kinit

I've a problem with Samba 4 and Kerberos. If I call kinit, it writes Client not found in Kerberos database while getting initial credentials. I find out, that the Kerberos works with user name only, ...
2
votes
1answer
685 views

PAM Winbind Expired Password

We've got Winbind/Kerberos setup on RHEL for AD authentication. Working fine however I noticed that when a password has expired, we get a warning but shell access is still granted. What's the ...
3
votes
1answer
6k views

Managing UID/GID of dual Samba / Winbind to AD

I have two Linux servers connected to an Active Directory Windows 2008 server using Samba/Winbind, and here is my samba config workgroup = COMPANY realm = COMPANY.COM server string = ...
1
vote
1answer
75 views

Samba need an ip of same network of Windows Active Directory to make the join?

Im working to setup samba in windows network. The goal is windows users from Active Direcotry uses their passwords to log in samba shares. I am not sure if, in this setup, AD server and Samba Server ...
1
vote
0answers
181 views

Best way to bind multiple RHEL 6 Systems to AD and use NFS?

I am currently migrating systems to an AD domain using winbind. This works fine but I have discovered that NFS mounts don't have proper permissions because users and groups end up with different ...
0
votes
1answer
4k views

AD accounts on centos 6.4 not showing up despite successfull wbinfo -u

I have a centos 6.4 box with samba 3.6.9 which I have connected to MS server 2008 R2. That part seems to work fine, since I can see my AD users and groups with wbinfo -u and wbinfo -g. What does not ...