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System Administration Guide: Security Services     Oracle Solaris 11 Express 11/10
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Document Information


Part I Security Overview

1.  Security Services (Overview)

Part II System, File, and Device Security

2.  Managing Machine Security (Overview)

3.  Controlling Access to Systems (Tasks)

4.  Virus Scanning Service (Tasks)

5.  Controlling Access to Devices (Tasks)

6.  Using the Basic Audit Reporting Tool (Tasks)

7.  Controlling Access to Files (Tasks)

Part III Roles, Rights Profiles, and Privileges

8.  Using Roles and Privileges (Overview)

9.  Using Role-Based Access Control (Tasks)

10.  Role-Based Access Control (Reference)

11.  Privileges (Tasks)

12.  Privileges (Reference)

Part IV Oracle Solaris Cryptographic Services

13.  Oracle Solaris Cryptographic Framework (Overview)

14.  Oracle Solaris Cryptographic Framework (Tasks)

15.  Oracle Solaris Key Management Framework

Part V Authentication Services and Secure Communication

16.  Using Authentication Services (Tasks)

17.  Using PAM

18.  Using SASL

19.  Using Solaris Secure Shell (Tasks)

20.  Solaris Secure Shell (Reference)

Part VI Kerberos Service

21.  Introduction to the Kerberos Service

22.  Planning for the Kerberos Service

23.  Configuring the Kerberos Service (Tasks)

24.  Kerberos Error Messages and Troubleshooting

Kerberos Error Messages

SEAM Tool Error Messages

Common Kerberos Error Messages (A-M)

Common Kerberos Error Messages (N-Z)

Kerberos Troubleshooting

Problems With the Format of the krb5.conf File

Problems Propagating the Kerberos Database

Problems Mounting a Kerberized NFS File System

Problems Authenticating as root

Observing Mapping from GSS Credentials to UNIX Credentials

25.  Administering Kerberos Principals and Policies (Tasks)

26.  Using Kerberos Applications (Tasks)

27.  The Kerberos Service (Reference)

Part VII Oracle Solaris Auditing

28.  Oracle Solaris Auditing (Overview)

29.  Planning for Oracle Solaris Auditing

30.  Managing Oracle Solaris Auditing (Tasks)

31.  Oracle Solaris Auditing (Reference)



Kerberos Troubleshooting

This section provides troubleshooting information for the Kerberos software.

Problems With the Format of the krb5.conf File

If the krb5.conf file is not formatted properly, then the following error message maybe displayed to the terminal or the log file:

Improper format of Kerberos /etc/krb5/krb5.conf configuration file while initializing krb5 library

If there is a problem with the format of the krb5.conf file, then the associated services are vulnerable to attach. You should fix the problem before you allow Kerberos features to be used.

Problems Propagating the Kerberos Database

If propagating the Kerberos database fails, try /usr/bin/rlogin -x between the slave KDC and master KDC, and from the master KDC to the slave KDC server.

If the KDCs have been set up to restrict access, rlogin is disabled and cannot be used to troubleshoot this problem. To enable rlogin on a KDC, you must enable the eklogin service.

# svcadm enable svc:/network/login:eklogin

After you finish troubleshooting the problem, you need to disable the eklogin service..

If rlogin does not work, problems are likely because of the keytab files on the KDCs. If rlogin does work, the problem is not in the keytab file or the name service, because rlogin and the propagation software use the same host/host-name principal. In this case, make sure that the kpropd.acl file is correct.

Problems Mounting a Kerberized NFS File System

In this example, the setup allows one reference to the different interfaces and a single service principal instead of three service principals in the server's keytab file.

Problems Authenticating as root

If authentication fails when you try to become superuser on your system and you have already added the root principal to your host's keytab file, there are two potential problems to check. First, make sure that the root principal in the keytab file has a fully qualified host name as its instance. If it does, check the /etc/resolv.conf file to make sure that the system is correctly set up as a DNS client.

Observing Mapping from GSS Credentials to UNIX Credentials

To be able to monitor the credential mappings, first uncomment this line from the /etc/gss/gsscred.conf file.


Next instruct the gssd service to get information from the /etc/gss/gsscred.conf file.

# pkill -HUP gssd

Now you should be able to monitor the credential mappings as gssd requests them. The mappings are recorded by syslogd, if the syslog.conf file is configured for the auth system facility with the debug severity level.