IBM WebSphere V5.0 Security - CGISecurity

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7.1 Web Services security Web Services has become a hot area in relation to Web applications; it is a fairly new technology with remarkable promise. There are areas in Web Services yet to be explored or refined; like security, it is an essential part of Web Services, but the recommendations have been just worked out recently and it will take time for them to mature. This book will not introduce the concept of Web Services, and it will not discuss the Web Services architecture; for a good introduction and more details on this topic read the IBM Redbook: Web Services Wizardry with WebSphere Studio Application Developer, SG24-6292. In this section you will find information on how to create a secured Web Service using digital certificates in WebSphere Studio. You will find an introduction to the WS-Security recommendation, providing the security fundamentals for Web Services. We will also discuss how the Web Services Gateway is involved in Web Services security. 7.1.1 Digital Certificates Digital signatures provide integrity, signature assurance and non-repudiation over Web data. Such features are especially important for documents that represent commitments such as contracts, price lists, and manifests. In view of recent Web technology developments, the proposed work will address the digital signing of documents (any Web resource addressable by a URI) using XML syntax. This capability is critical for a variety of electronic commerce applications, including payment tools. Developing secure Web Services with WebSphere Studio Now we are going to write a secured Web Service to provide customer account balance details. There is one pattern of evolving Web Services from an existing Web Server application known as “Browser to Server Pattern”. This pattern wraps an existing application as a service using a SOAP message as the service invocation. The Web server provides a runtime execution container that defines its own security model with policy information derived from a deployment descriptor configured by the deployer of the Web server application. This pattern typically includes a mechanism for associating the identity of the invoking entity (the browser client) with the executing application instance and allows the application to continue to function as it did before. 126 IBM WebSphere V5.0 Security Handbook
We already have a ConsultationHelper class that provides this information and we are going to convert this as the Web Service. Generating the secure Web Service In this section, a new secure Web Service will be added to the ITSOBank sample application; for development, WebSphere Studio Application Developer V5.0 is used. 1. Select the J2EE perspective, switch to the J2EE Navigator and select the ConsultationHelper.java as indicated in Figure 7-1. Figure 7-1 ConsultationHelper.java 2. Developers can look for this class in the package com.ibm.itsobank.helpers. You might want to have a look at the code for this ConsultaionHelper class before we generate a secured Web Service for this component. 3. Select File -> New -> Other from the menu to create a new Web Service in WebSphere Studio. Chapter 7. Securing Enterprise Integration components 127
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Front cover IBM WebSphere V5.0 Secu
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Take Note! Before using this inform
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4.2.1 Configuring Web module securi
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10.6 LTPA . . . . . . . . . . . . .
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Lotus Domino . . . . . . . . . . .
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Trademarks The following terms are
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The team that wrote this redbook Th
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Stephen Pipes is a WebSphere consul
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xvi IBM WebSphere V5.0 Security Han
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1.1 How to read this book There are
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4 IBM WebSphere V5.0 Security Handb
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2.1 Security As new business practi
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2.2 Security fundamentals 2.2.1 Aut
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For example, in a distributed objec
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► ► ► Users are mapped direct
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If Bob wants to answer, he should u
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identifies the client before issuin
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2.3 Security in use Since security
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20 IBM WebSphere V5.0 Security Hand
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3.1 J2EE application The Java 2 Ent
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Principals and Groups Security Role
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3.4 Application deployment descript
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3.5 J2EE application security
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Figure 3-4 Application-level Securi
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Security role mapping in the Admini
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Figure 3-7 Searching for the manage
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36 IBM WebSphere V5.0 Security Hand
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4.1 Static components WebSphere App
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1. ldap.prop is an LDAP configurati
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Figure 4-2 Defining authentication
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A .htaccess file placed in one dire
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4.2 Web module security In a J2EE a
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Figure 4-4 Login Method Configurati
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higher level of protection. User Da
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8. Next to HTTP Methods click Add.
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8. Add the GET and POST HTTP method
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4.4 Security role reference During
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7. Save and close the web.xml file.
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Form login configuration The follow
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4.5.2 Custom login There are situat
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employeeType will be stored as a se
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3. From the Filter Type Selection w
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As a next step, you have to make su
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If the user in role 'A' accesses /h
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As a universal solution for the pro
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5.1 Securing EJBs EJBs, or Enterpri
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Page 100 and 101: Figure 5-6 New Security Role Refere
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Page 110 and 111: Figure 5-13 Selecting methods for t
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Page 116 and 117: 6.1 Java clients A client is a gene
Page 118 and 119: Available functions ActiveX client
Page 120 and 121: Upon receiving the message, the ser
Page 122 and 123: The sas.client.props file The CORBA
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Page 126 and 127: server. For example, if the client
Page 128 and 129: Client01 Java client J Server01 EJB
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Page 136 and 137: Configuring Client01 Client01 requi
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Page 146 and 147: Figure 7-2 Creating a new Web Servi
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Page 156 and 157: Using the ITSOBank Web Service clie
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Page 162 and 163: 3. In that window, under Security -
Page 164 and 165: Example 7-4 Secured and non-secured
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Page 174 and 175: Security can be applied at two leve
Page 176 and 177: ii. Browse to select the file /scri
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J2EE 1.3 Application EJB Container
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2. Configure each resource adapter
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8.1 Programmatic security J2EE secu
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8.2.2 Servlet security methods The
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There is one point worth noting in
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Figure 8-3 Custom Registry properti
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Method signature String getUserSecu
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also ask for a X.509 certificate fi
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Required libraries from WebSphere f
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Testing the custom Trust Associatio
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local or remote code (signed or not
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To call a piece of trusted code to
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► ► ► ► ► java.net.NetPer
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► It is also possible to specify
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Java 2 security can be enabled on t
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► The following callbacks are pro
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application LoginContext LoginModul
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lc=new LoginContext("ClientContaine
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Note: Without initializing the ORB,
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8.8 Where to find more information
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9.1 WebSphere security model The IB
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Deployment Manager Cell-wide config
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From a security point of view, each
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► Application Security determines
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9.2.2 WebSphere Application Server
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LTPA requires that the configured U
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HTTP / HTTPS HTTP Server WebSphere
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9.3 Performance considerations From
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232 IBM WebSphere V5.0 Security Han
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10.1 Administration tools WebSphere
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A Web browser, for instance, must b
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the two types of registry provided
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Role configurator operator administ
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Figure 10-4 Mapping a group to an A
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Mapping a group to a CosNaming role
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1. In the Admin Console, select Sec
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6. In the Configuration tab provide
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8. The changes will need to be save
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In a scenario presented in this cha
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2. Save the configuration for WebSp
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Figure 10-16 Application Login Conf
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Figure 10-18 J2C Authentication ent
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Figure 10-19 An SSL configuration w
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WebSphere supports the concept of t
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The file used by a Java client to r
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Figure 10-22 Saving the new key sto
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Figure 10-25 Provide details for th
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24.From the menu bar, select Key Da
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10.Enter a Key Label which will ide
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Figure 10-30 A personal certificate
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10.9.3 Using the Java keytool Anoth
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SSL connection #1 SSL connection #2
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Figure 10-33 The IBM HTTP Server ik
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The IBM HTTP Server Administration
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15.Select Basic Settings -> Module
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In the case of a self-signed certif
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Note: If the Cipher Specification l
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Make sure that the certificate is i
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Figure 10-41 Certificate details Th
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Configuring WebSphere to use certif
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3. If you decide the use the IBM HT
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Example 10-5 trace.log ... [10/14/0
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Configuring WebSphere to use exact
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[10/14/02 19:39:38:358 EDT] 7a37602
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publicly circulating root certifica
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Exchanging public certificates The
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Modifying the Web Container to supp
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The new certificate should appear u
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3. Client Certificate Authenticatio
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Figure 10-47 CSIv2 transport config
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Table 10-5 sas.client.props configu
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10.13.1 IBM SecureWay Directory Ser
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2. Click the Add Server button. The
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8. Click OK; a new window appears f
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Figure 10-56 LDAP directory with us
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Figure 10-57 WebSphere LDAP Configu
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Configuring the secure LDAP (LDAPS)
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Figure 10-59 Configuring SSL for Se
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Figure 10-60 SSL encryption setting
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choose not to differentiate between
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- Port: specify 636 which correspon
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A sample scenario is depicted next.
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Item Cell Node Server Appl. CosNami
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JAAS configuration The JAAS configu
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Individual CSI and SAS settings The
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The server security settings availa
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11.1 Patterns for e-business Patter
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► ► ► Buy-Side Hub Sell-Side
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Client Tier Synchronous Application
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► Application tier: may represent
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► certificates, access groups, et
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Figure 11-6 presents the Runtime pa
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11.4 Product mappings This section
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- Authorization Server The Authoriz
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The following secure communications
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This chapter covers four different
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andwidth to and from the server unt
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All of these benefits contribute to
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The Policy Server replicates this d
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Server Tivoli Access Manager WebSEA
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Server Name appsrv01, appsrv02 Appl
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1. First, log in with your favorite
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1. In the Administrative Console, n
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12.4.1 Single Sign-On with WebSEAL
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correct. Then it trusts that the id
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8. In the Single Sign-On (SSO) pane
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User Registry Client 1. Request 2.
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Property key com.ibm.Websphere.secu
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Figure 12-8 Trust Association Panel
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2. We will first configure LTPA aut
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e prompted for the keyfile password
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Example 12-2 WebSphere Security ini
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[8/22/02 7:42:44:163 CDT] 277a2e5c
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[8/22/02 7:42:47:449 CDT] 277a2e5c
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[8/22/02 7:42:51:655 CDT] 277a2e5c
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In this example, we have configured
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► ► ► WebSEAL can forward mod
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LDAP Server Policy/Authorization Se
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of inetOrg.Person as each junction
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Figure 12-13 Web Portal Manager Men
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Select the boxes Is Account Valid,
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Creating Access Manager Junctions A
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Figure 12-18 Protected Object Prope
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Figure 12-20 Create an ACL Entry 4.
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Testing the junctions The following
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Figure 12-22 Successful access to i
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WebSEAL Authenticated Users before
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At the same time, the tool creates
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- pdacld_port: the port number of t
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8. The next application migrated wa
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Do not make changes to the deployme
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Sample application The purpose of t
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5. The Transfer EJB uses two entity
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The process flows as described belo
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You can download the clients from h
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Configuring WebSphere Application S
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Use this DataSource in container ma
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e. On the Map RunAs roles to users
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SecureWay Directory Server The conf
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Ensure that Domino is using the LDA
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Figure B-3 Domino LDAP settings in
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Figure B-4 Domino CA application 2.
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Enable SSL on Domino Server Enable
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1. Open the ikeyman tool that comes
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3. WebSphere will validate your ent
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Figure B-9 iPlanet Directory Server
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Figure B-13 iPlanet Certificate Req
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Figure B-16 Certificate Install Wiz
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Figure B-19 iPlanet Encryption sett
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Tip from a battle scarred veteran p
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Figure B-21 Active Directory Users
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Figure B-24 New User password panel
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group membership, and other group a
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WebSphere-Domino SSO scenarios In t
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7. Once the user is authenticated a
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6. Click OK to create a database. 7
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- On the Rules tab, specify the fol
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3. A new Document will be displayed
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Figure C-7 TCP/IP port status setti
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1. To add new user names or groups
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Figure C-10 Default Domino server l
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Figure C-13 Successful submission o
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Using Domino LDAP for user registry
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Enabling Single Sign-On for WebSphe
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wsadmin scripting WebSphere Applica
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3. In the line com.ibm.SOAP.loginUs
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You can also set the user registry
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Using the Web material The addition
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SPI SSL SSO SWAM UDDI URI URL VPN W
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Referenced Web sites These Web site
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Application pattern Directly Integr
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EJB permissions Exclude 80 Role 80
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L launchclient 122 LDAP Advanced se
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ORB 102 System 366 Unprotected meth
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Gateway Security 155 Gateway-level
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Back cover IBM WebSphere V5.0 Secur
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