Kerberos is a network authentication protocol.

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Cannot contact my realm for credentials

I have created a KERBEROS.TEST realm and after addprinc root/admin also I added mu client machine as principal, I checked kinit and with sudo klist command I received the ticket on my kerberos server, ...
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7 views

Kerberos/NIS users require shadow hack

If I have a Ubuntu system to use Kerberos for authentication and NIS for information, users cannot log in unless I copy the content of my NIS shadow map to /etc/shadow. They get insta-rejected. If I ...
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60 views

Edubuntu 14.04: Cannot log in with realmd or issue tickets with Kerberos

I used the following instructions to join an Edubuntu laptop to an active directory domain: http://funwithlinux.net/2014/04/join-ubuntu-14-04-to-active-directory-domain-using-realmd/ The process ...
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61 views

I have a problem with domain trust between samba and AD

I configured Samba PDC and AD Domain. Here is my Topology. enter link description here And I saw that Samba PDC loading AD users. With "getent passwd" command and "wbinfo -ug" command. Here is my ...
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25 views

After installing krb5 and removing krb5 login not possible

Today i needed to install the krb5 packages which went successfully. After a few hours i dont needed them anymore and removed them completely to keep the system as clean as possible. Installation ...
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18 views

Kerberized NFSv4 no write permission

I have some trouble with installing NFSv4 with Kerberos. I can't write on my NFSv4-Share. Thats my /etc/exports : /srv/export/ gss/krb5p(rw,fsid=0,no_subtree_check,async,no_root_squash) Thats ...
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45 views

Problem with Samba4 at restart

I have successfully installed samba and kerberos, I can authenticate windows on ubuntu server but I am unsure I did correctly because i' m not sure if samba authenticate toward kerberos DB. Always ...
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90 views

ecryptfs on a nfs4 home

I am have been banging my head against a wall for days now trying to make this work. Now I finally decided to get help. This actually concerns a Debian server but ecryptfs is maintained by Ubuntu ...
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1answer
471 views

SSSD password change not working with LDAP backend

Environment info: AD on win 2k8r2 Ubuntu 12.04.5 LTS SSSD v1.8.6 everything is in the same vlan I have an LDAP / SSSD solution in use on our Ubuntu servers. The auth process works correctly ...
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457 views

authentication method for likewise to join a domain

I installed likewise and joined my an active directory domain. I'm finding it's a bit unclear on how the default authentication works. Do I have to do any extra configuration to enable kerberos? If I ...
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556 views

Samba Share not accessible with AD user

I try to install a samba server for active directory authentication and shares. I managed to configure kerberos (kinit klist works) I configured smb.conf. wbinfo -u wbinfo -g getent group *showing ...
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39 views

Share directories with Active Directory users

I need to configure an Ubuntu, to share directories. The allowed users are in an Active Directory in Windows 2003 server. Can I use ntlm for that or only kerberos?
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204 views

Having trouble setting up LDAP and Kerberos

I'm following the 14.4 Server Guide for Kerberos and LDAP. When I get to step 3.5 of Configuring LDAP, it says my password is wrong: ldap_bind: Invalid credentials (49) I guess the password on ...
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181 views

Where is krb5_util on Ubuntu 14.04?

The crucial krb5_util command (http://web.mit.edu/kerberos/krb5-latest/doc/admin/admin_commands/kdb5_util.html#kdb5-util-8) doesn't seem to be available on Ubuntu 14.04 although it ships with 1.12.x ...
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1answer
565 views

How do I configure a default principal for kinit (acquiring Kerberos ticket)?

When using kinit to acquire a Kerberos ticket I have configured it to use a default realm, e.g. GERT.LAN by editing /etc/krb5.conf: [libdefaults] default_realm = GERT.LAN That's great since ...
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1answer
4k views

Kerberos SSO with Apache - Partly works

Ok... I've got my Apache server running, and I have Kerberos configured to integrate with our primary domain controller (Windows 2003). When I try to access my page, however, I get a login ...
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33 views

NFSv4 with Kerberos

I am trying to configure NFSv4 with Kerberos according here. How I create credentials for server and clients?
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33 views

What are the difference between maxlife and maxrenewlife in kerberos?

I want to know if I set maxlife to three day, but my ticket issued only a day. So I want t o know the difference between maxlife and maxrenewlife.
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1answer
4k views

Samba share not accessible from Windows 7 (on domain) via hostname

I have spent several days attempting to solve this- none of the answers on this forum or any other were able to help. I tried everything. I read the entire Samba manual. Nothing worked. Happily, I ...
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1answer
358 views

Kerberos and google-authenticator (2-factor auth)

Does anyone know how can I use google-authenticator in combination with kerberos and thus provide to my users 2-factor authentication?
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1answer
82 views

kerberos ticket watcher

I just switched from openSuSe to Ubuntu 12.04. At work we use kerberos to auth to different systems. In openSuSe I had a nice little tray app "kerberos ticket watcher" that could renew and initialise ...
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10k views

rails & libpq-dev nasty dependencies

I don't know if this question belongs here, but I'll take a shot. Hi. I'm running ubuntu 11.10 dual-boot with windows vista on my machine. On Ubuntu, I've installed RVM, rails gem, & PostgreSQL ...
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191 views

How to make sshd create non-existing user when using kerberos?

I am setting my sshd to use kerberos auth. Everything was fine until I actually login via ssh. I got invalid user. If I added the account to the server running sshd, then I could login using password ...
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726 views

Ubuntu : Kerberos With LDAP

I am using ubuntu 12.04. I am installing LDAP with Kerberos authentication. I followed the steps in the ubuntu documentation. https://help.ubuntu.com/12.04/serverguide/kerberos-ldap.html After ...
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198 views

Password not accepted at login

I had tried to setup kerberos authentication to log into some ADS thing at my new university, however that didn't work and resulted in me having to enter my password twice for everything. So I did: ...
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280 views

krb5-multidev, libk5crypto3, libk5crypto3:i386 package dependency

Using Ubuntu 12.04 Asus U43F I can no longer update, install or remove packages via software center because of package dependency errors. sudo apt-get install -f reads the following: Reading ...
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unmet dependencies+I cannot update anymore [duplicate]

Possible Duplicate: When trying to upgrade Kerberos development libraries, why do I get an “unmet dependencies” error? The following packages have unmet dependencies: ...
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1answer
353 views

Kerberos with Active Directory

So I've setup kerberos on Ubuntu in various ways (likewise-open, winbind, etc) and keep coming up with the same problem. kinit works fine and I get the initial ticket, but when I try to access a proxy ...
17
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1k views

Setup for mounting kerberized nfs home directory - gssd not finding valid kerberos ticket

Our home directories are exported via kerberized nfs, so the user needs a valid kerberos ticket to be able to mount its home. This setup works fine with our existing clients & server. Now we want ...
2
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1answer
171 views

“AND Operator” in PAM

I need to prevent users from authenticating through Kerberos when the encrypted /home/users has not yet been mounted. (This is to avoid corrupting the ecryptfs mountpoint) Currently I have these ...