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
53 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 ...
3
votes
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'...
0
votes
2answers
990 views

pam auth via winbind, howto map primary group for users?

I have unix users authenticating to an PDC (via winbind) and want to have the primary group of those users a local unix group (e.g. www-data). users have the group "domain users" with gid 10006 (as ...
0
votes
2answers
630 views

Win Server 2008 force kerberos setting

I am currently facing the problem that a linux machine running Ubuntu 10.04 LTS with samba and winbindd installed is unable to join a Domain, that is managed by a Windows 2008 DC. The linux config, ...
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 /media/storage/...
2
votes
1answer
515 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 ...
2
votes
1answer
808 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 ...
1
vote
1answer
131 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 ...
1
vote
1answer
97 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 ...
1
vote
1answer
481 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
vote
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 ...
0
votes
1answer
40 views

winbindd gss_init_sec_context failed with [Unspecified GSS failure]

Running CentOS7. Every hour I get the same error message. I have no problems authentication. I believe there is a Redhat solution but I don't have subscription. https://access.redhat.com/solutions/...
0
votes
1answer
184 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 ...
0
votes
1answer
438 views

On Solaris, how to log IP when using winbind auth and invalid user?

This is on Solaris 10 sparc platform. I'm trying to make our denyhosts script block the dictionary ssh attacks. Unfortunately, the logging does not show an IP when the user name is invalid. We are ...
4
votes
0answers
333 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 ...
2
votes
0answers
139 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 ...
2
votes
0answers
522 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
0answers
822 views

Group membership erratically lost after user logs in - Ubuntu, winbind, AD

I have a really strange issue where the wbinfo -g command properly indicates the AD domain group I am interested in and shows a particular user in that group - this is always true, so on the linux ...
1
vote
0answers
15 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....
1
vote
0answers
88 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 ...
1
vote
0answers
180 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 ...
1
vote
0answers
42 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 ...
1
vote
0answers
431 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 ...
1
vote
0answers
92 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, ...
1
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0answers
473 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
0answers
488 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 sshd[...
1
vote
0answers
415 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
0answers
65 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 ...
1
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0answers
194 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 uid/...
1
vote
0answers
301 views

Winbind info shows local users that do not exist

I am setting up Samba on a Linux machine running CentOS 6 (called localhost, and the AD computer I am connecting to is dc.companyname.com), and I have done everything successfully, except when I type ...
1
vote
0answers
889 views

Fedora join to AD DS (svr 2008): NT_STATUS_INVALID_COMPUTER_NAME

I have been attempting to join my Fedora machine to my 2008 AD DS domain (testdomain.lcl) for some time now. I have followed this article: http://weblog.bignerdranch.com/?p=6 But with no luck. I ...
1
vote
0answers
106 views

Domain logon with Linux

I've set up Samba and winbind, and everything is working fine. I can see all AD users and groups, and corresponding relationships. I've also set up PAM authentication successfully. I have a local user ...
0
votes
0answers
17 views

Set up Samba with Active Directory and local user authentication

My main goal is to set up a Samba-Server, to where users can connect to by using their Active-Directory credentials. Additionally, local linux users on the Samba-Server should be able to authenticate. ...
0
votes
0answers
13 views

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 ...
0
votes
0answers
16 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 ...
0
votes
0answers
22 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 ...
0
votes
0answers
22 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 ...
0
votes
0answers
84 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 ...
0
votes
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 /...
0
votes
0answers
68 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 ...
0
votes
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 ...
0
votes
0answers
534 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 &...
0
votes
0answers
106 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 ...
0
votes
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 ...
0
votes
0answers
478 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 ...