IBM Tivoli Access Manager for e-business: WebSEAL Administration ...

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Compression policy in POPs You can specify a compression policy of do not compress in a protected object policy (POP). You can attach the POP to an object, and WebSEAL disables compression of that object. To specify this policy, add the following attribute to the POP: document-compression = no A POP without this attribute set, or with this attribute set to any value other than no, allows documents to be compressed. For example, to disable compression for the junction /appOne: pdadmin> pop create appOnePop pdadmin> pop modify appOnePop set attribute document-compression no pdadmin> pop attach /WebSEAL/host/appOne appOnePop To allow compression for a subdirectory beneath /appOne with an overriding POP, attach a different POP that does not have the document-compression attribute. For example: pdadmin> pop create dataPop pdadmin> pop attach /WebSEAL/host/appOne/data dataPop This method of applying compression policy can be used with URLs. For example, to disable compression based on wild card patterns applied to URLs, you can use dynurl. To disable compression for all requests to a junction that have a particular argument in the query string, you can create a dynurl.conf file with entries like the following: /disableCompression /appOne/*\?want-response=text/xml You can then attach a pop to /WebSEAL/host/disableCompression with the document-compression attribute set to no. Data compression limitation v The transfer of compressed data between WebSEAL and backend servers is not supported. WebSEAL performs filtering on URLs for various purposes. WebSEAL does not perform filtering on compressed data. Data compression configuration To specify data compression policy for communication between WebSEAL and client browsers, complete the following steps: 1. In the WebSEAL configuration file, specify each MIME-type for which a data compression policy applies. Assign a value that enforces the policy. [compress-mime-types] mime_type = minimum_doc_size Note that the default setting leaves all data uncompressed: [compress-mime-types] */* = -1 For more information on creating entries in this stanza, see “Compression based on MIME-type” on page 80. 2. In the WebSEAL configuration file, specify each type of user agent (browser) for which a data compression policy applies. Enable data compression by assigning the value yes. Disable data compression by assigning the value no. 82 IBM Tivoli Access Manager for e-business: WebSEAL Administration Guide
[compress-user-agent] user_agent = {yes|no} No entries are set by default. When no entry matches the user-agent’s accept-encoding header, the value in the accept-encoding header is honored. For more information on creating entries in this stanza, see “Compression based on user agent type” on page 81. 3. Optionally, specify compression policies in POPs, and apply the POPs to the appropriate objects in the protected object space. For more information, see “Compression policy in POPs” on page 82. Chapter 3. WebSEAL server administration 83
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IBM Tivoli Access Manager for e-bus
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Note Before using this information
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Silent configuration overview . . .
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Event capturing and logging . . . .
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Token authentication concepts . . .
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Configuring WebSEAL key database pa
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Preserving cookie names . . . . . .
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Logging . . . . . . . . . . . . . .
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xvi IBM Tivoli Access Manager for e
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This chapter introduces you to impo
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Web security information v IBM Tivo
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v Secure Sockets Layer Introduction
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The following documents associated
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Monospace Code examples, command li
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IBM Tivoli Access Manager WebSEAL:
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The access control list (ACL) An ac
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Note: Traditional applications bund
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v Authenticated clients access usin
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v A user makes a request for a reso
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A unified Web space simplifies the
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14 IBM Tivoli Access Manager for e-
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Server instance configuration This
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Table 1. WebSEAL instances sharing
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- When the Web document root is not
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-ssl_yn ssl_enable_yes_no -key_file
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Server instance configuration tasks
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Removing a server instance To remov
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Communication protocol configuratio
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Restricting connections from specif
Page 60 and 61: Cryptographic hardware for encrypti
Page 62 and 63: You can specify whether to enable F
Page 64 and 65: 3. In the Open dialog window, selec
Page 66 and 67: Quality of protection levels You ca
Page 68 and 69: Configuring authorization database
Page 70 and 71: 3. Change the settings for the data
Page 72 and 73: Multi-locale support with UTF-8 Thi
Page 74 and 75: WebSEAL generates logging and audit
Page 76 and 77: Configuring multi-locale support Co
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Page 82 and 83: Language System Directory English (
Page 84 and 85: Preventing vulnerability caused by
Page 86 and 87: Replicated front-end WebSEAL server
Page 88 and 89: The session cookie links to session
Page 90 and 91: Table 4. P3P default header values
Page 92 and 93: Table 6. Supported values for the c
Page 94 and 95: For each value specified for purpos
Page 96 and 97: example, when your compact policy s
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Page 100 and 101: Server tasks Start a WebSEAL server
Page 102 and 103: Managing the Web space The followin
Page 104 and 105: You can configure the specific grap
Page 106 and 107: Parameter Description cache-type Sp
Page 108 and 109: HTTP data compression WebSEAL serve
Page 112 and 113: HTTP error message pages When WebSE
Page 114 and 115: Filename Title Description HTTP Err
Page 116 and 117: Managing custom account management
Page 118 and 119: Macro Description %CERTAUTHN% Subst
Page 120 and 121: Backup and restore Tivoli Access Ma
Page 122 and 123: Problem determination tools for Web
Page 124 and 125: Logging WebSEAL serviceability mess
Page 126 and 127: Event capturing and logging You can
Page 128 and 129: In this example, none of the option
Page 130 and 131: Authentication event log output Aut
Page 132 and 133: Table 18. Authentication errors (co
Page 134 and 135: Log Files Location Parameter Enable
Page 136 and 137: Displaying referer.log The referer.
Page 138 and 139: WebSEAL-specific ACL policies The f
Page 140 and 141: Configuring three strikes login pol
Page 142 and 143: Configuring password strength polic
Page 144 and 145: Specific user and global settings T
Page 146 and 147: v token authentication v certificat
Page 148 and 149: The entry level = unauthenticated m
Page 150 and 151: Table 20. Example integer values fo
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Page 154 and 155: Quality of protection POP policy Th
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Page 158 and 159: Overview of the authentication proc
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Managing session state A secure con
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This value corresponds to the numbe
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eauthenticating the user. WebSEAL u
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v Because the cookies are available
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Authentication configuration overvi
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Configuring multiple authentication
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3. When the client makes an additio
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You can configure the username and
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Configuration conditions If forms a
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If the security policy does require
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Setting Description accept-client-c
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Thus, the default value for cert-ca
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HTTP header authentication Tivoli A
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See also: v “Authentication metho
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Token authentication Tivoli Access
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2. WebSEAL returns an authenticatio
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4. Restart the WebSEAL server. See
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Failover authentication This sectio
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authenticates using forms authentic
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Administrators can configure WebSEA
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cookie. By using the cookie, the We
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Specify the protocol for failover c
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Backwards compatibility WebSEAL ser
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[failover-add-attributes] attribute
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v When this value is no, and the se
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SPNEGO protocol and Kerberos authen
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v The client cannot use an SSL sess
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186 IBM Tivoli Access Manager for e
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Switch user authentication The WebS
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9. The administrator ends the switc
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supported mechanism, an additional
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The authentication method parameter
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The default file name is switchuser
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xauthn_username xauthn_qop xauthn_i
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Server-side request caching This se
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v “Modifying request-body-max-rea
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Configuring reauthentication based
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Extending the session cache entry l
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Configuring reauthentication based
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Extending the session cache entry l
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Automatic redirection during user l
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Configuring post password change pr
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WebSEAL provides an external authen
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credattrs_email joeuser@bigco.com c
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Credential refresh This section con
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The default lifetime of data in the
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Credential refresh configuration To
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efresh can succeed. Likewise, when
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Managing client-side and server-sid
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At installation, WebSEAL uses the s
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Setting the maximum number of cache
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Windows desktop single sign-on This
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v Failover authentication The failo
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Each WebSEAL instance must have a s
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highly secure password, such as a r
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Note: The location of the kinit uti
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v When a problem occurs, consider e
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The link contains a special CDSSO m
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2. Edit /etc/nsswitch.conf so the h
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[authentication-mechanisms] sso-cre
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http://websealB/resource.html?PD-ID
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Each entry in the WebSEAL is assign
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e-community single sign-on E-commun
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A user who fails authentication wit
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4. After successful login, the MAS
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v The domain-specific cookie contai
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owser is Microsoft Internet Explore
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1. Enabling and disabling e-communi
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[e-community-domain-keys] dA.com =
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For example: [e-community-sso] vf-u
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[server] pre-510-compatible-tokens
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[ecsso-incoming-attributes] my_spec
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WebSEAL junctions overview You can
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Managing junctions with Web Portal
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Configuring a basic WebSEAL junctio
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Mutually authenticated SSL junction
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v It is highly recommended that you
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WebSEAL-to-WebSEAL junctions over S
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v “Processing URLs in requests”
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Modifying absolute URLs with script
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To solve this problem: 1. Always wr
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You must create the jmt.conf mappin
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Part 2: -j junctions modify Set-Coo
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Supplying client identity in HTTP h
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[junction] max-webseal-header-size
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ack-end server UUID to each front-e
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v Back-end server 2 is called APP2
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lcp_uri URI encoded local code page
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v Do not mark any certificate in th
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1. Copy query_contents.sh into a fu
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Typical output looks like: 100 inde
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Configuring BA headers for single s
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Forwarding original client BA heade
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Using global sign-on (GSO) Tivoli A
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Configuring a GSO-enabled WebSEAL j
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Configuring single sign-on to IBM W
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Configuring single sign-on forms au
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WebSEAL parses the HTML page to ide
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[loginpage1] login-page = /cgi-bin/
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It is not necessary to specify hidd
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Supporting CGI programming To suppo
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Supporting back-end server-side app
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v Short name of the server v IP add
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pdadmin> objectspace create /Resour
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A single user that logs in multiple
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346 IBM automatically with no user
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Note: If you use Web Portal Manager
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Object Space Entry URL Template /ow
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The following sample dynurl.conf fi
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The security policy To provide suit
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Overview of ADI retrieval The Tivol
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The resource-manager-provided-adi p
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Retrieving ADI from the user creden
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Dynamic ADI retrieval Rules can be
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Basic configuration Basic configura
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trace_verbose_get_entitlement If se
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Erandt_Securtities_Entitlements e
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http://ese.erant.com/attributes 1 U
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376 IBM v v /opt/pdwebars/protocol_
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Windows C:\Program Files\Tivoli\PDW
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including tracking CGI types, compi
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Stanza organization The remainder o
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Server configuration v [server] v [
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HTTP/1.1 connection timeout, in sec
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Location of the file that contains
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Enable or disable support for UTF-8
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Specifies how WebSEAL responds to r
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Host name of the LDAP server. The W
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cache-group-expire-time = number_of
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String that specifies the key label
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Active Directory [uraf-ad] stanza a
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ind-pwd = admin_password Encoded ad
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LDAP port number for the Lotus Domi
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Secure Socket Layer [ssl] stanza we
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Disables support for SSL Version 2.
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Port number for communication with
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Indicates whether automatic refresh
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Authentication methods [ba] stanza
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Specifies how to handle certificate
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Step-up authentication levels. WebS
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Fully qualified path for a library
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failover-certificate = fully_qualif
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Authentication failover v [failover
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List of attributes from the origina
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Cross-domain single sign-on v [cdss
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attribute_pattern = {preserve|refre
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Integer value specifying the port n
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File names for keys for any domains
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List of string values to specify th
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Integer value for lifetime, in seco
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Content This section contains the f
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Specifies how standard WebSEAL HTML
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Page containing a change password f
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Automatic redirect v [acnt-mgt] v [
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List containing system environment
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Relative path name to a graphics fi
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Content compression v [compress-mim
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Content encodings [content-encoding
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Junction management [junction] stan
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Positive integer value indicating t
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Document filtering [filter-url] sta
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Scheme filtering [filter-schemes] s
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Script filtering v [script-filterin
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Credential refresh [credential-refr
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Integer value that specifies the ti
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Integer value that specifies the ti
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Enables or disables the requests lo
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Auditing [aznapi-configuration] sta
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Specifies event logging for the spe
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The maximum size of the in-memory p
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Policy server v [policy-director] v
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Specifies the type of access the us
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v state Mechanisms for maintaining
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Specifies the purpose of the inform
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Specifies the recipients of the inf
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For example, if the configured name
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-p port TCP port of the back-end th
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IBM may use or distribute any of th
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asic authentication configuring 145
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F failover authentication configura
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key management (continued) managing
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eauthentication (continued) based o
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User Registry Adapter Framework (UR
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