HP UX Kerberos Data Security Software manual Password Policy File, Editing the Default File

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Administration

Password Policy File

Password Policy File

This ﬁle controls password rules such as password length, number of character types, and the lifetime of a password. The ﬁle, password.policy, is located on each of the primary and secondary security servers. This ﬁle can be located at:

/opt/krb5

Editing the Default File

To edit the password policy ﬁle and conﬁgure it to match your organization’s requirements, use a text editor on the primary security server. You must have the appropriate read-writepermissions to access the password policy ﬁle.

The default password policy ﬁle is designed around the four instances or policy groups namely,

	• principals who do not have an instance
	• principals with an admin instance
	• principals with a root instance
	• the base group named * that consists of all the other principals
	You can also add more policy groups to identify speciﬁc instances in your
	enterprise.
	Password policy settings and the defaults for the base group, the *
	instance group, in the password policy ﬁle are listed below:
Table 6-2	Default Password Policy Settings for the base group

	Password Policy setting	Default

	* .MaxRepeatChars	3

	* .MaxRepeatClasses	4

	*.MaximumMatch	4

	*.MinimumLength	6

	*.MinimumClasses	2

Chapter 6

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Image 101

Contents Manufacturing Part Number T1417-90003 E0602 EditionLegal Notices Page Page Contents Administration Contents Contents Inter-realm Troubleshooting Glossary Index Contents Tables Tables Figures Figures Preface Audience Accessing the World Wide WebRelated Software Products Related DocumentationRelated Request for Comments RFCs Width ConventionsUsing This Manual Glossary Index Overview Chapter Overview How The Kerberos Server Works Conﬁguring and Administering the Kerberos Server on HP-UX Authentication Process Step Authentication ProcessTGT Authentication Process Authentication Process Must be assigned a key type or default keys issued by DES vs 3DES Key Type SettingsKrbtgt/REALM Name is the ticket-granting principal. This is Is added to the database. The krbtgt/REALM NAMEprincipalInstallation Installation Before Installing The Kerberos Server Hardware Requirements Software Requirements Installing The Kerberos Server With SD-UX Installing The Kerberos Server Chapter Migration Migration Policy Migration on Step-wise Procedure For Migration on Policy Migration Step-wise Procedure For Migration For version 2.0 of the Kerberos Server, as described in Step On successful completion the following message is displayed Step-wise Procedure For Migration Chapter Interoperability With Windows Interoperability With Windows Chapter Overview Understanding the Terminology Understanding the Terminology Table of Analogous Terms HP’s Kerberos Server Windows Table of Analogous TermsCase HP’s Kerberos Server and Windows 2000 InteroperabilityEstablishing Trust Between HP’s Kerberos Servers and Windows Single Realm Domain Authentication Inter-Realm Inter-Domain Authentication Database Considerations Special Considerations for InteroperabilityEncryption Considerations Postdated TicketsSpecial Considerations for Interoperability Chapter Conﬁguration Conﬁguration File Conﬁguration Files For The Kerberos ServerSecurity Server Files That Require Conﬁguration Auto-Conﬁguration of the Security Server Auto-Conﬁguration of the Security Server Return to the main menu Editing the Conﬁguration Files Manual Conﬁguration Of The Kerberos ServerManual Conﬁguration Of The Kerberos Server Krb.conf Format Krb.confRealm Sample krb.conf File Reference Krb.realms Krb.realms Format Krb.realms Sample krb.realms Sample krb.realms Chapter Conﬁguring The Primary Server Creating The Principal Database After Installation Administrator Add An Administrative PrincipalTo add an administrative principal using Run Command-Line-Administrator,kadmin Create The host/fqdn principal And Extract Its Service Key Start the Kerberos daemons Deﬁne Secondary Server Network Locations Security Policies Password Policy FileAdminaclﬁle Starting the Security Server Summary Sbin/initd/krbsrv start Copy the Kerberos Conﬁguration File Conﬁguring The Secondary Security ServersCreate the Principal Database Create a host/fqdn Principal and Extract Its Key Administration Administration Administering the Kerberos Database Kadmind Adminaclﬁle Assigning Administrative Permissions List prinicpal. This is redundant with i or Adding Entries to the adminaclﬁle How the r/R Modiﬁers Work Creating Administrative AccountsUsing Restricted Adminsitrator 100 Editing the Default File Password Policy FileDefault Password Policy Settings for the base group Password Policy setting Default102 Principals 104 Adding User Principals Adding New Service PrincipalsReserved Service Principals Chapter 107 Do not remove or modify this principal entry Removing User Principals Remove Special Privilege SettingsProtecting Secret Keys Removing Service Principals Administration Tools Kadmin Vs kadminlAdministration Tools Tool Name Tool Description Administrator Apply Standard Functionality of the AdministratorUsage of kadminlui Local Administrator kadminluiChapter 117 Principals Tab Principals TabChapter 119 General Tab Principal Information Window General Tab Principal Information windowChapter 121 To add a principal Adding Principals to the DatabaseTo simultaneously add multiple principals with Same settingsTo create an administrative principal Creating an Administrative PrincipalChapter 125 Search Criteria Finding a PrincipalTo search for a principal Chapter 127 128 To delete a user principal Deleting a PrincipalTo reload the default values for a principal Loading Default Values for a PrincipalRestoring Previously Saved Values for a Principal To restore previously saved values for a principalTo change ticket information Changing Ticket InformationChapter 133 Example Rules for Setting Maximum Ticket LifetimeExamples Rules for Setting Maximum Renew TimeTo change the password information Changing Password InformationPassword at their next logon A principal’s password. You must inform the principalWindow Password Tab Principal InformationPassword Tab Principal Information Window Chapter 139 Change Password Window Password Tab Change Password window Password tabChapter 141 To change a DES principal’s key type to 3DES Changing Key TypesChapter 143 To change principal attributes Changing Principal AttributesAttributes Tab Principal Information Window Attributes Tab Principal Information146 Chapter 147 148 Chapter 149 To delete a service principal Deleting a Service PrincipalTo securely extract principal keys to the service key Extracting Service Keys152 Extract Service Key Table Window Extract Service Key Table window154 To edit the default group Using Groups to Control SettingsGroup Information window Principal Group Information Window Principal Attributes Setting the Default Group Principal AttributesDefault Principal Attributes To set administrative permissions Setting Administrative PermissionsAdministrative Permissions Administrative PermissionsChapter 161 162 Realms Tab Realms Tab10 Realm Information Window Realms Tab Realm Information window Realms tabTo add a realm Adding a RealmTo delete a realm Deleting a RealmRemote Administrator kadminui 168 Administration Manual Administration Using kadmin Chapter 171 Add Random Key Add a New PrincipalDelete a Principal Specify New PasswordChange Password to a New Randomly Generated Password Extract a Principal Modifying a Principal List the Attributes of a PrincipalNumber of Authentication failures fcnt To modify the principal admin, you need to do the followingAttributes Key Version Number AttributeAllow Renewable Attribute Allow Postdated AttributeAllow Forwardable Attribute Allow Proxy Attribute Allow Duplicate Session Key Attribute Require Preauthentication AttributeRequire Password Change Attribute Lock Principal Attribute Allow as Service AttributeFollowing Require Initial Authentication AttributeTgtbased Authentication Set As Password Change Service AttributePassword Expiration Attribute Maximum Ticket Lifetime Attribute Principal Expiration AttributeSalt Type Attribute Maximum Renew Time AttributeKey Type Attribute Chapter 189 Principal Database Utilities If you want to Use This Tool Principal Database UtilitiesCreating the Kerberos Database 192 Database Encryption Database Master Password Destroying the Kerberos Database Dumping the Kerberos Database Loading the Kerberos Database Stashing the Master Key Chapter 199 Situations that require Starting and Stopping Daemons Services Situation Daemons and ServicesStarting and Stopping Daemons Master Password Maintenance TasksProtecting Security Server Secrets Host/fqdn@REALMSpecial Note on Backing up the Principal Database Backing Up Primary Server DataChapter 203 Removing Unused Space From the Database Chapter 205 206 Propagation 208 Propagation Relationships Propagation HierarchyMaintaining Secret Keys In The Key Table File Service Key Table v5srvtabExtracting a Key to the Service Key Table File Deleting Older Keys From the Service Key Table File Creating a New Service Key Table FilePropagation Tools If You Want To Use This Tool Propagation ToolsChapter 213 Kpropd Mkpropcf 216 Kpropd.ini Sections Defaultvalues sectionChapter 219 Secsrvname Section All servers contain the following entries Examples222 Prpadmin Setting Up Propagation Chapter 225 226 Chapter 227 228 Monitoring the Log File Critical Error MessagesMonitoring Propagation Monitoring for Old File Date and Large File Size Monitoring Propagation Queue FilesComparing the Database to its Copies Principal.ok Time Stamp Does Not UpdateAdministration Appears Normal Authentication Problems OccurAuthentication Tests Succeed Log Files Indicate ProblemsNumber of Principals Does Not Match KdbdumpRestarting Propagation Using the Simple Process Propagation Failure Restarting Propagation Using the Full Dump MethodConverting a Secondary Server to a Primary Server Cleaning the Temp Directory Restarting Services238 Primary Servers That Support Multiple Realms Conﬁguring for Multi-realm EnterprisesNumber of Realms per Database Database Propagation for Multi-realm Databases Multiple Primary Servers That Support a Single RealmAdding More Realms to a Multi-realm Database To Conﬁgure a propagation in a multi-realm environment 242 Inter-realm 244 Two-way Trust Considering Trust RelationshipsOne-way Trust Other Types Of Trust Hierarchical TrustChapter 247 248 Chapter 249 Conﬁguring Direct Trust Relationships Direct Trust Relationship Example Hierarchical Inter-realm Example Hierarchical Inter-realm TrustHierarchical Chain of Trust Hierarchical Inter-realm Conﬁguration 254 Chapter 255 256 Chapter 257 258 Troubleshooting 260 Chapter 261 Characterizing the Problem Chapter 263 Diagnostic Tools Diagnostic Tools SummaryLogging Capabilities Troubleshooting KerberosError Messages Unix Syslog File Services ChecklistTroubleshooting Techniques Table of Errors Messages Chapter 269 270 Locking and Unlocking Accounts General ErrorsForgotten Passwords Clock Synchronization Decrypt integrity check failed Typical User Error MessagesPassword has expired while getting initial ticket Administrative Error MessagesService key not available while getting initial ticket ActionChapter 275 Reporting Problems to Your Hewlett-Packard Support Contact Chapter 277 278 Glossary Glossary Glossary 281 Ticket-granting-ticket Index Symbols284 285

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