Kerberos is a network authentication system based on shared key cryptography. It is the underlying authentication system used by current versions of Active Directory and is widely used by large organizations.

learn more… | top users | synonyms

0
votes
1answer
33 views

Apache mod_auth_kerb: “Key table entry not found”

I want to use the Apache Module "mod_auth_kerb" to implement SSO for a Webapplication. With the following config: <VirtualHost 10.5.3.200:443> #Proxy <Proxy *> Order deny,allow Allow ...
0
votes
0answers
17 views

Is it possible to attach `kinit` to the first attempt to `ssh` without a Kerberos ticket?

My university uses Kerberos-based authentication for login to our unix servers. One way to get passwordless login is to run kinit, type my password, and then run ssh@host. For this setup, I do the ...
1
vote
0answers
45 views

How is a username determined and can I hide the domain component in a winbind username?

Someone asked a question on Server Fault about a problem which I'm also having but no one has answered it so I'm posing a slightly different question to try and figure it out myself. I've configured ...
1
vote
1answer
41 views

How could I eliminate Kerberos for passwd?

When I issue a command to change my password like this: sudo passwd huahsin The system prompt me: Current Kerberos password: I don't know what I have done to the system configuration, how could I ...
1
vote
1answer
19 views

kdb5_ldap_util fails with cryptic error

Supposedly, in order to set up Kerberos, I need to run kdb5_ldap_util, though I'm not sure why. However, it fails with: # kdb5_ldap_util -D cn=admin,dc=example,dc=com create -subtrees ...
1
vote
1answer
64 views

How does Linux winbindd determine available domain controller?

We are actually in preparation of taking down one of our three domain controller (Win2k3). They are all serving the same domain. Actually we still see connections incoming from Debian (5/6/7) Servers ...
1
vote
0answers
49 views

How to obtain current user environment in pam_script?

I'm running pam_script after pam_krb5 with a session open script. In my script, I need to use the ticket cache generated by krb5 to do something. Well, the script was actually run as root, and ...
1
vote
0answers
77 views

How do I setup kerberos authetication in Fedora 19

I cannnot seem to find documentation on setting up Kerberos authentication on my Fedora 19 workstation. Which files and programs are involved? My Kerberos server is a corporate AD.
0
votes
2answers
3k views

SSH authentication using gssapi-keyex or gssapi-with-mic (publickey not permitted)

My company has disabled SSH public key authentication, therefore I have to manually enter each time my password (I am not suppose to change /etc/ssh/sshd_config). However gssapi-keyex and ...
1
vote
0answers
82 views

tmp/krb5cc_[uid] is not getting purged regularly (kerberos credentials cache)

An ftp id wasn't able to authenticate itself using kerberos because it wasn't able to create /tmp/krb5cc_[uid]. This was caused because /tmp ran out of inode space, as there were innumerbale (don't ...
1
vote
1answer
62 views

kinit returns error salt type 3 unsupported on FreeBSD 9.1-RELEASE install

When attempting to run kinit to log into a Kerberos V5 realm I get the following error on a default install FreeBSD 9.1-RELEASE kinit: krb5_get_init_creds: salt type 3 not supported Any ideas?
2
votes
4answers
396 views

What is the kerberos keytab file used for in UNIX/AD kerberos authentication?

I have proved that UNIX/AD Kerberos authentication works without the presence of a keytab file so I'd like to know whether I should worry about it (given I'll need an individual keytab for each server ...
3
votes
1answer
351 views

Multiple PCs network centralized system authentication

(I couldn't really choose an accurate title as I don't know exactly what the feature I'm looking for is called. Sorry about that. I hope that the following lines may clear this aspect.) I own a dozen ...
3
votes
1answer
505 views

Keep kerberos ticket across sudo invocation

On a regular linux machine, when I use sudo -s as a normal user, I become root but HOME still points to ~user, so every admin has his own environment etc. (this is without env_reset or always_set_home ...
1
vote
2answers
221 views

Command-line web browser with Kerberos authentication?

QUESTION: Is there a Kerberos-friendly web browser usable via an SSH console? I have tried links but it does not seem to work with Kerberos (the webapp asks me for login/password even though I have a ...
5
votes
1answer
220 views

Public Key Auth + Kerberos

I've setup public key authentication for ssh'ing into my university machine. However, it only logs me in on the local machine and doesn't give me Kerberos credentials which I need for accessing my ...
1
vote
1answer
292 views

PostgreSQL on FreeBSD - 'Kerberos 5 authentication not supported'

I've been trying to get a FreeBSD machine to talk to a networked postgreSQL database. I assumed that the machine had kerberos installed, as it's what I use to log in, and I was told that FreeBSD has ...
2
votes
1answer
3k views

Java could not get the TGT from cache in Linux client

I have set up a Kerberos server and OpenLDAP in RHEL5.5. I also have a RHEL6 machine as a client. I have run my Java program using jaas to query the OpenLDAP server from the linux client. I can query ...
4
votes
2answers
2k views

Automatic kerberos ticket initialization on login

I'm using ksshaskpass to add my password protected keys into ssh-agent upon logging into KDE, is there something similar for kerberos?