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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Restrict access to Linux via PAM with configured SSO

i have SLES 12 in Active Directory Domain. Single Sign On for SSH is configured. I want to allow access to server only to some AD groups via PAM (not only for SSH Service, ftp, etc.). I tried to add ...
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9 views

OpenVPN authentication using pam_winbind

I'm running an OpenVPN Server on a Debian machine joined to my Active Directory Domain. I'd like to use pam_winbind for VPN authentication. This is where the troubles arise. Authentication is working ...
3
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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 /media/storage/...
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0answers
11 views

Easier method of setting up Winbind auth in LMDE?

Some GNU/Linux distros (CentOS comes to mind) have a neat Authentication Config tool, in which you may specify which auth methods (files, NIS, Winbind etc) to use. You specify the needed parameters (e....
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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 I'...
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0answers
15 views

CentOS 7 group permissions not allowing access to folder

I have a CentOS7 box, "box1", domain joined using Winbind + RID method. I have a folder (NFS mount) @ /shares/share. The permissions are: root@box1:/shares# ls -n /shares/ total 8 drwxrws--- 2 0 ...
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0answers
13 views

Winbind locks up useradd and userdel

Running userdel or useradd locks up on one of our AD-connected Debian 8 machines. ┌[root][machine]:/ └$ useradd -p "superdupersecret" peter While this command is blocking one can observe how ...
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5answers
16k views

Samba Winbind User Resolution

We have successfully deployed AD authentication using Samba and Winbind (idmap_ad) across six Centos 6 servers and have been running happily for a few months now. One of the servers has stopped ...
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1answer
77 views

Inconsistent winbind info on Samba 4 AD domain controller

I've setup a Samba 4 AD domain controller on Debian Jessie (samba 4.2.10). Everything's working fine, except that winbind gives wrong user/group information. I have a sample user "testuser" and a ...
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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 ...
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1answer
38 views

Resolve NetBIOS names without full qualification

I am connected to my office VPN and I can successfully RDP into my computer using the fully qualified name for it PC00001.myofficevpn.plc. When I try to connect using only the hostname PC00001, I do ...
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67 views

How to join a linux host to a Samba4 active directory

I have been attempting to coerce a pair of linux domain members to a Samba4 active directory. Although I have numerous niggles and unanswered questions raised during the setup, there are currently ...
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0answers
41 views

Mounting samba directory changes all file permissions to user who mounted it

I have a xubuntu 14.04 client, a debian 8 Samba File server and an external Active Directory service. I log in as user1 on the client authenticating against the ADS with winbind. My home directory /...
2
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1answer
213 views

wbinfo -u does not show AD users (is empty)

We have a problem on a Ubuntu Server 14.04 (fileserver) connected to AD on a Windows Server 2008 R2 using Samba (version 4.3.8)/WinBind and Kerberos. The problem is that users do not have writing ...
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0answers
55 views

AD authentication on Centos7

I set my configuration on centos 6 and it works but when I pushed it on centos 7 it doesn't work. Here is my configuration : # authconfig --test caching is disabled nss_files is always enabled ...
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2answers
46 views

Initialise Kerberos ticket on ssh login using PAM

Right, so I am struggling a bit with PAM in Centos7. I have no idea how to configure it manually and make the changes permanent so that I get a kerberos ticket after a successful ssh login. The ...
2
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1answer
563 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 ...
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1answer
104 views

Samba file server as domain member: error when joining domain

I would like to set up samba 4 to share a local directory, so that domain users are allowed to mount the directory. I don't want domain users to be able to log in the linux machine, they should only ...
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1answer
152 views

Groupmapping does not work for AD groups

We have an ActiveDirectory where we get our users from. So authentication on the linux machine works over pam. We managed this part to work so far, but we need all users to be part of the local group ...
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2answers
574 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 ...
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0answers
83 views

Random SSH connection timeout on first try to CentOS servers

Have got a curious issue with SSH on CentOS 6 and haven't found a solution yet. We have our CentOS 6 servers all joined to an Active Directory 2012 R2 domain using Winbind. It is not used for ...
6
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2answers
4k 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 ...
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3answers
9k 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 ...
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2answers
48 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
96 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 ...
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0answers
179 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 ...
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0answers
496 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
62 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 ...
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0answers
98 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
39 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
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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 logs:...
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0answers
7 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 ...
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1answer
89 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 ...
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1answer
7k 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
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2answers
7k 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 ...
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5answers
19k 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
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1answer
487 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
417 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 ...
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1answer
1k 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: ...
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0answers
325 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
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1answer
874 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 ...
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1answer
475 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 ...
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0answers
90 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
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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, ...
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0answers
138 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 ...
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0answers
459 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 ...
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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: ...
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1answer
1k 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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2answers
6k 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 ...
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1answer
9k 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. ...