Kerberos Authentication - the easiest way to integrate with Active Directory

In this session we focused on Kerberos authentication. We started with some basic background on Kerberos and demonstrated the use of Kerberos in an Oracle Database environment. Then we discussed the implementation of Kerberos with the Oracle Database including the different files and components involved in the configuration of the service. We moved from implementation to troubleshooting, discussing techniques for locating issues in a Kerberos setup. We finished with a demonstration of troubleshooting a typical Kerberos configuration issue.

Here is a guide to the recording;
01:40 Product Announcements
05:50 Support corner
07:00 Kerberos terms, definitions, concept, and history
12:45 Demonstration of database authentication with Kerberos
16:30 Kerberos Implementation
40:00 Kerberos Troubleshooting
49:30 Demonstration of Kerberos troubleshooting

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[avfa]

Thank you!! Been looking everywhere for a tutorial for kerberos auth!!!

[AlexLucard]

Skip the intro and go to 16:42 for the Kerberos Authentication - the easiest way to integrate with Active Directory

[Steventtg]

very good one, and the format it's orgaznied !

[berndeckenfels]

Do you not need to firewall allow 88/udp?
Great Kerberos Summary.

[femsyakins]

Do you have any video talk describes the steps on how to enable the CMU with Kerberos auth. I was able to get the Kerberos working but the CMU requirement is not clear to what I need to do to get that working. Do I need a service principal? Do I need to get the CA root certificate into DB certificate store with the service principal? Truly, oracle is very poor in documentation and clarity on the steps to implementing this fully. Like I said, the Kerberos is working but creating a shared user or role with globally is not working. Getting invalid username and password. Please I would appreciate if you can provide me the steps on what i need to do. Thanks

[guruprasad]

I could successfully implement Kerberos on a RAC environment with help of this video. Thank you very much for this amazing video.

[sainathreddy]

HI Russ, when we okdstry we are getting No credentials cache file found

okdstry -old

Kerberos Utilities for Linux: Version 12.2.0.1.0 - Production on 13-NOV-2020 06:42:01

Copyright (c) 1996, 2016 Oracle. All rights reserved.

okdstry: Credential cache /tmp/krb5cc_10010 not found.
okdstry: No credentials cache file found

Could you please help me with this ?

[dzejmsbondzerozero]

can you please inform how we can make exception for kereberos where using apex rest service

[sainathreddy]

Hi Russ, can you help how you enable kerberos on Sql developer and can you provide the steps, do i need to do any settings. please advise.

[川内暁]

18:41 Kerberos Configuration File(krb5.conf)
22:02 sqlnet.ora
25:14 sqlnet.ora parameter considerations
33:27 Other Required Files
36:00 Other Required Configurations
36:29 Externally Authenticated Users
37:29 Firewall Considerations
38:13 SQL Developer
40:00 Troubleshooting Tips

[tamilarasu]

How to configure the same with oracle apex. Please upload video.

[johncantu]

In 19c, why would an organization choose Kerberos authentication over Centralized User Management?

[hyprvirus]

1. what is entity? maybe identity? so it is only users, groups and hosts/hostgroups. 2. Oracle is Java-oriented project so it is has little compatibility with MIT Kerberos because it is own closed JavaAPI. 3. Where did you loose dns_lookup_kdc? There is wrong solution to go to only one KDC in high-load 4. You show in windows console only TGT ticket. Do you know what is TGS? Where is it? 5. kvno is tool written on C, why you compary it with Kerberos test for Java app? Java works using own modules are incompatible with Linux and Windows. If you want compatibiity throw out all JavaAPI and use Java GSSAPI gateway for Linux so or SSPI native dll. Classic issue that Oracle hide from community Java cannot cache TGS, but C, python can..
If you want to maximum compatibility and app speed throw out Java and use C, C++ that work by OS native libs from the box