HP UX Kerberos Data Security Software manual 298

Page 298

Troubleshooting

Troubleshooting Kerberos

Table 11-2

Troubleshooting Scenarios (Continued)

 

 

 

 

 

 

Required parameters in

This problem occurs

Ensure that the

 

krb.realms missing

when the parameters are

krb.realms file has

 

while initializing the

missing or incorrect in

the appropriate

 

Kerberos context.

the krb.realms file.

information.

 

 

 

 

 

Stored master key is

This message appears if

Recreate the stash

 

corrupted while

the stash file is

file.

 

initializing kadminl

corrupted.

 

 

interface.

 

 

 

 

 

 

 

Cannot find or read

This problem occurs

Create the stash file

 

stored master key while

when the stash file is

 

 

getting the master key.

missing.

 

 

 

 

 

 

Cannot open or find the

This problem occurs

 

 

Kerberos configuration

when the krb.conf file

 

 

file while initializing the

does not exist.

 

 

krb5 library.

 

 

 

 

 

 

 

Client/server realm

This problem occurs

Use the kdestroy

 

mismatch in initial

when you have an old

utility to destroy your

 

ticket request while

credential cache file,

old credential cache

 

initializing the kadmin

which has credentials for

or use the kadmin -p

 

interface.

another realm.

<pname> name.

 

 

 

 

 

Cannot resolve network

Check your

 

 

address for KDC in the

resolv.conf file.

 

 

requested realm while

 

 

 

getting initial

 

 

 

credentials.

 

 

 

 

 

 

 

Decrypt integrity check

This problem occurs

 

 

failed while verifying

when the passwords do

 

 

the master key.

not match.

 

 

 

 

 

 

Decrypt integrity check

This problem occurs

 

 

failed while initializing

when the passwords do

 

 

the kadminl interface.

not match.

 

 

 

 

 

298

Chapter 11

Image 298
Contents Edition Manufacturing Part Number T1417-90009 E0905Legal Notices Copyright NoticesPage Page Contents Configuring the Kerberos Server with Ldap Administering the Kerberos Server Contents Contents Propagating the Kerberos Server Managing Multiple Realms Contents Tables Table A-2. Configuration Worksheet Explanation Figures Figures What Is in This Document Intended AudienceInteroperability with Windows 2000, on GlossaryBold fixed Typographic ConventionsIndex WidthPublishing History HP-UX Release Name and Release IdentifierRelated Software Products Related Documentation Accessing the World Wide WebRelated Request for Comments RFCs HP Encourages Your Comments Overview Overview Introduction How the Kerberos Server Works Authentication Process Authentication Process Illustrates the actions of the components and the KerberosStep Authentication Process DES Versus 3DES Key Type Settings Introduction to Ldap Ldap AdvantagesIntegrating Kerberos Server v3.1 with Ldap Integrating a Kerberos Principal in to the Ldap Directory Installing the Kerberos Server Installing the Kerberos Server Prerequisites Software Requirements System RequirementsHardware Requirements Version CompatibilityInstalling the Server Installing the Server Chapter Migrating to a Newer Version Migrating to a Newer Version of the Kerberos Server Migrating from Kerberos Server Version 1.0 to Copy the dump file to the new system where you are installing Upon success, the following message appears Migrating from Kerberos Server Version 1.0 to Migrating from Kerberos Server Version 2.0 to VersionCopy the dump file to the system on which you are installing Migrating from Kerberos Server Version 3.0 to Version Migrating to a Newer Version of the Kerberos Server Interoperability with Windows Interoperability with Windows Understanding the Terminology Table of Analogous Terms Kerberos Server Windows Kerberos Server and Windows 2000 Interoperability ScenarioEstablishing Trust Between Kerberos Server and Windows Fqdn qualifier specifies the fully qualified domain name Single Realm Domain Authentication Interrealm Interdomain Authentication Encryption Considerations Special Considerations for InteroperabilityDatabase Considerations Postdated TicketsSpecial Considerations for Interoperability Chapter Special Considerations for Interoperability Chapter Configuring the Kerberos Security Server Files That Require Configuration Configuration Files for the Kerberos ServerConfiguration File Function Krb.conf File Krb.conf File FormatKrb.realms File Krb.realms File Format Wildcard Characters Wildcard Character DescriptionAutoconfiguring the Kerberos Server To configure the server, select option Configuring the Kerberos Server with C-Tree Value, DES-MD5, is selected Server with Ldap Ldap Configuration Files Configuration Files for Ldap IntegrationKrb5ldap.conf File File FunctionKrb5ldap.conf File Format Parameter DescriptionThis line indicates a space Krb5schema.conf File Krb5schema.conf File Format Ticket’ Syntax Configuration Files for Ldap Integration Krb5map.conf File Krb5map.conf File FormatHpKrbAuthzData HpKrbKeyVersion HpKrbKeyData Planning Your Ldap Configuration Before You BeginSetting up Your Ldap Configuration For example, ou=people, o=bambi.com For example, ou=accounts, ou=people, o=bambi.com For example, uid. cn, homedirectory, gidnumber, uidnumber Configuring the Kerberos Server with Ldap Autoconfiguring the Kerberos Server With Ldap IntegrationStep Select one of the following options Qualified host name or the IP address HpKrbKey Autoconfiguring the Kerberos Server With Ldap Integration Manually Configuring the Kerberos Server with Ldap Editing the Configuration FilesManually Configuring the Kerberos Server with Ldap Manually Configuring the Kerberos Server with Ldap Chapter Configuring the Primary Create the Principal Database After Installation Configuring the Primary Security ServerTo add an Administrative Principal Using the HP Kerberos Add an Administrative PrincipalAdministrator To Add an Administrative Principal Through the Command Line Start the Kerberos Daemons Define Secondary Security Server Network Locations Adminaclfile Password Policy FileSecurity Policies Starting the Security Server Creating the Principal Database Configuring the Secondary Security Servers with C-TreeCopying the Kerberos Configuration File Creating a host/fqdn Principal and Extracting the Key Creating a stash file using the kdbstash utility Configuring the Secondary Security Servers with Ldap106 Using Indexes to Improve Database Performance 108 Administering the Kerberos 110 Administering the Kerberos Database Configuration Files Required for kadmind Kadmind CommandFile Name Description Adminaclfile File Assigning Administrative Permissions Chapter 115 Adding Entries to adminaclfile Using Restricted Administrator Creating Administrative AccountsHow the r/R Modifiers Work 118 Default Password Policy Settings for the Base Group Password Policy FileEditing the Default File Password Policy Setting Default Value120 Principals 122 Adding New Service Principals Adding User PrincipalsReserved Service Principals Chapter 125 126 Removing Special Privilege Settings Removing User PrincipalsRemoving Service Principals Protecting a Secret KeyChapter 129 Kadmin and kadminl Utilities Administration Utilities Administration Utilities Name DescriptionHP Kerberos Administrator Cancel Standard Functionality of the AdministratorFunction of OK, Apply, and Cancel Buttons Button Name ActionLocal Administrator kadminlui Using kadminluiChapter 135 Principals Tab Principals Tab Principals Tab ComponentsSearch Component Name Description List AllSearch String List of PrincipalsPrincipal Information Window General Tab Principal Information WindowPrincipal Information Window Components General Tab Password TabField Name Description Attributes TabMaximum Ticket Lifetime General Tab ComponentsField Name Description Principal Expiration Maximum Renew TimeLast Modified Field Name Description Password PolicyModified By Adding Principals to the Database Change Password Window Adding Multiple Principals with Similar Settings Creating an Administrative Principal Administering the Kerberos Server 148 Search Criteria Searching for a PrincipalCharacter Description 150 Deleting a Principal Loading Default Values for a Principal Restoring Previously Saved Values for a Principal Changing Ticket Information Rules for Setting Maximum Ticket Lifetime Rules for Setting Maximum Renew Time Chapter 157 Changing Password Information Chapter 159 Window Password Tab Principal InformationPassword Tab Components Displays the Ldap DN that you are editingChange Password Component Name Description PasswordPassword Last Expiration/DateChange Password Window Password Tab Entering a password Change Password Window ComponentsComponents Description New Password VerificationChanging a DES-CRC or DES-MD5 Principal Key Type Changing a Key TypeTo 3DES 166 Changing Principal Attributes 12 describes the components of the Attributes tab Attributes Tab Principal InformationAttributes Tab Components Allow Renewable Components DescriptionAllow Postdated Tickets170 Allow Duplicate Components Description Allow ForwardableAllow Proxy Session KeysComponents Description Require PreauthenticationRequire Password ChangeAllow As Service Components Description Lock PrincipalChange Service AuthenticationSet As Password Components Description Require InitialLdap Attributes Tab Prinicpal Information Window 176 Deleting a Service Principal Extracting Service Keys Chapter 179 Extracting a Service Key Table Component Description Principal Extract Service Key Table ComponentsService Key Table TypeUsing Groups to Control Settings Editing the Default GroupChapter 183 Group Information Window Principal Group Information Window Components InformationEditEdit Default Group to display the GroupComponent Description Group Principal Attributes Setting the Default Group Principal AttributesDefault Principal Attributes Component DescriptionChapter 187 Setting Administrative Permissions Administrative Permissions 11 Administrative Permissions WindowModify Add PrincipalsPrincipals Principals Inquire aboutInformationEditEdit Default GroupGroup Information Override the Principal InformationEditEdit Group DefaultDefaults Component Description Restricted192 Realms Tab Realms Tab Realms Tab ComponentsRealm Information Window Realm Information Window ComponentsAdding a Realm Deleting a Realm Remote Administrator kadminui Logon screen displays as shown in Figure Logon Screen200 Chapter 201 Manual Administration Using kadmin Chapter 203 Adding a New Principal Specifying a New Password Adding a Random KeyChanging Password to a New Randomly Generated Deleting a PrincipalExtracting a Principal 3DESListing the Attributes of a Principal Modifying a PrincipalNumber of Authentication Failures fcnt Key Version Number Attribute Attributes Policy NameAllow Postdated Attribute Allow Renewable Attribute Allow Forwardable Attribute Allow Proxy Attribute Allow Duplicate Session Key Attribute Require Preauthentication Attribute Require Password Change AttributeLock Principal Attribute Allow As Service Attribute Require Initial Authentication Attribute Principal InformationEditEdit Administrative PermissionsAuthentication Set As Password Change Service Attribute Authentication Select Require InitialNo text shows Password Expiration Attribute Principal Expiration Attribute Maximum Ticket Lifetime AttributeKey Type Attribute Maximum Renew Time AttributeSalt Type Attribute Principal Database Utilities Principal Database UtilitiesUtility Task Kerberos Database Utilities 226 Database Encryption Database Master Password Destroying the Kerberos Database 230 Dumping the Kerberos Database Loading the Kerberos Database Stashing the Master Key 234 Starting and Stopping Daemons and Services Situation Starting and Stopping DaemonsProtecting Security Server Secrets Maintenance TasksMaster Password Host/fqdn@REALMBacking Up primary security server Data Backing Up the Principal Database238 Removing Unused Space from the Database 240 Propagating the Kerberos 242 Propagation Hierarchy Propagation RelationshipsExtracting a Key to the Service Key Table File Service Key TableMaintaining Secret Keys in the Key Table File Creating a New Service Key Table File Deleting Older Keys from the Service Key Table FilePropagation Tools Propagation Tools If You Want To Use This ToolOne or more servers once Propagation is configured Started Kpropd Daemon Mkpropcf Tool 250 Kpropd.ini File Defaultvalues Section SectionsChapter 253 Secsrvname Section Examples Configuration file256 Prpadmin Administrative Application Setting Up Propagation Primary security server Services and Daemons Daemon Name Function Generic Usage260 Chapter 261 262 Monitoring Propagation Critical Error MessagesMonitoring the Log File Monitoring Propagation Queue Files Monitoring Old File Date and Large File SizeUpdating the principal.ok Time Stamp Authentication problemsComparing the Database to Its Copies Log files indicate problems Administration appears normalMismatch between the number of principals Kdbdump Utility Restarting Propagation Using a Simple Process Restarting Propagation Using the Full Dump MethodPropagation Failure Converting a secondary security server to a primary Security serverRestarting Services Cleaning the Temp DirectoryNumber of Realms per Database Configuring Multirealm EnterprisesPrimary security servers Supporting Multiple Realms Multiple primary security servers Supporting a Single Realm Adding More Realms to a Multirealm DatabaseDatabase Propagation for Multirealm Databases Managing Multiple Realms 276 One-Way Trust Considering a Trust RelationshipTwo-Way Trust Hierarchical Trust Other Types of TrustConfiguring Direct Trust Relationships 280 Hierarchical Interrealm Trust Hierarchical Chain of TrustHierarchical Interrealm Configuration Chapter 283 Configuring the Local Realm Configuring the Intermediate Realm Configuring the Target Realm Hierarchical Interrealm Trust Chapter 287 288 Troubleshooting 290 Characterizing a Problem 292 Diagnostic Tools Diagnostic Tools SummaryTool Description Name Error Messages Troubleshooting KerberosLogging Capabilities Unix Syslog File Troubleshooting Techniques Services ChecklistTroubleshooting Scenarios Cause Tips Troubleshooting Scenarios 298 Troubleshooting Scenarios for your LDAP-based Kerberos Server Scenario Cause Troubleshooting Tips300 Chapter 301 302 General Errors Forgotten PasswordsLocking and Unlocking Accounts Clock SynchronizationUser Error Messages Decrypt Integrity Check FailedPassword Has Expired While Getting Initial Ticket Administrative Error MessagesService Key Not Available While Getting Initial Ticket Chapter 307 Reporting Problems to Your HP Support Contact Chapter 309 310 Configuration Worksheet Appendix a Appendix a 313 314 Sample krb.conf File Appendix B Services File 318 Sample krb.realms File Appendix C Glossary Key Distribution Center See KDCGlossary V5srvtab Ticket-granting ticket See TGTTicket-granting ticket Symbols Index326 327
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