Question About Kerberos

2002-03-20 Thread Danny Lai

Hi

I am new to Kerberos. Recently, I have installed a Kerberos5 version
1.2.4 on a RedHat 7.2 server with a realm name UNIVERSAL.COM. In the
same server, I also installed a SSH2 version 3.1.0 from SSH
Communication. I compiled the SSH2 source code with
--with-kerberos5. In addition, I also include the parameters

AllowedAuthentication [EMAIL PROTECTED], [EMAIL PROTECTED] in
the /etc/ssh2/sshd2_config.

I have no problem to logon to the same machine using Kerberos
authentication.

To test a remote kerberize host, I have installed anonther machine
with RedHat 6.2 and installed with a kerberized SSH2 version 3.1.0
with the same configuration for the /etc/ssh2/sshd2_config. However,
the authentication does not work this round.

(a) Can you indicate which portion is not configured correctly?

(b) I was trying to installed OpenSSH but I can't find any article
mention about configuring OpenSSH with Kerberos V. Where can I locate
any document?

(c) If I am not wrong, for each kerberize host, and allow a kerberos
user to logon to this host, I need to add a same user account name in
the kerberize host /etc/passwd but without password. Is it suppose to
be?

Thank you very much for answering my question.

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[ANNOUNCE] Authen::Krb5::KDB 0.05 released

2002-03-20 Thread Dave Steiner

Version 0.05 of the module Authen::Krb5::KDB has been released to
CPAN. This is an alpha release so all suggestions are welcome. The
README document is attached below.

Please note that the name has changed from previous versions from
Krb5::KDB to Authen::Krb5::KDB.  This was done to (1) not create a new
top-level within the CPAN archive, and (2) to be consistant with
already existing Authen::Krb5:: modules.

You can install this either by using the the CPAN shell:

  perl -MCPAN -e 'install(Authen::Krb5::KDB)'

or by using your web browser and pointing it to the CPAN search
engine:

   http://search.cpan.org/search?module=Authen::Krb5::KDB

--- README ---
Authen::Krb5::KDB is a set of perl modules to read and parse Kerberos
V5 dump files.  Currently it supports Version 3, 4 and 5 dump files.

This is an alpha release of this module so the interface could change.
If you have any suggestions, problems, or comments please email me at
the address below.


You install the library by running these commands:

   perl Makefile.PL
   make
   make test
   make install

 
The module KDB_H.pm is generated via the script gen_kdb_h.plx but
since it requires the Kerberos sources to be available it's not run
automatically from the Makefile.  The module in this distribution is
build from Kerberos Version 1.2.4 and should work on any older
versions.  If you want to rebuild the KDB_H.pm module, run the
following command with the appropriate path to your Kerberos sources:

   perl gen_kdb_h.plx /my/sources/krb5-1.2.4/src


The following modules are required:

   Carp
   POSIX


Please report any bugs/suggestions to [EMAIL PROTECTED]

Copyright (c) 2002 David K. Steiner.  All rights reserved.  

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.

--
Dave Steiner  [EMAIL PROTECTED]
Network Systems and Services, Telecommunications Division
Rutgers University Computing Services, Rutgers University

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Re: -x not working with rlogin.

2002-03-20 Thread John Rudd

Sandeep Gopal Nijsure wrote:
 
 Hi all,
 
 I am running a klogind with the options -e5c. I am trying to run Kerberos
 version of rlogin to connect to it. If I use -x option with rlogin, then
 it does not work.  Shows me the message Connection refused. I am running
 Debian Linux 3.0 with 2.4.6 kernel, and Kerberos 1.2.3.
 
 What could be the reason?
 

In inetd.conf, which service/port are you using?  Are you using the
klogin service/port (543/tcp), or the eklogin service/port
(2105/tcp)?

I think rlogin -x expects to connect to the eklogin port, not the
klogin port.  So, even if you have the klogind set to use encryption, if
it's running on the klogin port instead of the eklogin port, it might
not work.  But I could be wrong :-}

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Re: krb5.conf supporting Kerberos for Macintosh 4.0

2002-03-20 Thread Rich Johnson

Rich Johnson wrote:

 I'm trying to use Kerberos for Macintosh (4.0) client with a server
 from the debian distribution (krb*_1.2.4).  Everything is used just out
 of the box except the .conf files.

 I can't get past a Auth expired message when I try to get tickets from
 Kerberos for Macinosh.   I _think_ the problem lies with my krb5.conf,

After prowling throught the code, I found that adding:
v4_mode = full
to krb5.conf's [libdefaults] section relieved the problem.

I'm not sure if this is the right way to resolve the problem, but it does
get me moving forward.

--rich


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Re: Want to Kerberize an app

2002-03-20 Thread Systems Administrator

Paul K Watje/AssetSltns/Systems/HSAS/MAXIMUS wrote:

 
 Hello,
 
 A client has asked us to Kerberize our product.  I have looked through 
 the FAQ's and Web sites and I understand what is going on.  
 
 But I have been unable to find a guide, manual, or example on how to 
 Kerberize the code for an application.
 
 If any one has any docs or is willing to share some code samples for 
 Powerbuilder or Visual Basic, even C or C++, it would be greatly 
 appreciated.
 
 Paul K. Watje
 Principled Analyst
 Asset Solutions, a division of MAXIMUS

The krb5 disto from MIT includes two sample programs (sserver and 
sclient) which demonstrate how kerberos initiates, accepts and
establishes a connection.  Looking at this code should give you
some ideas.

--cory


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