enterprise^ IBM WebSphere Application Server v7.0 Security "publishing Secure your WebSphere applications with Java EE and JAAS security standards

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1 IBM WebSphere Application Server v7.0 Security Secure your WebSphere applications with Java EE and JAAS security standards Omar Siliceo "publishing enterprise^ birmingham - mumbai

2 Preface 1 Chapter 1: A Threefold View of WebSphere Application Server Security 7 Enterprise Application-server infrastructure architecture view 8 Simple infrastructure architecture characteristics 9 Branded infrastructure elements 10 Generic infrastructure components 10 Using the infrastructure architecture view 11 WebSphere architecture view 11 WebSphere Application Server simplified architecture 12 WebSphere node component 13 WebSphere JVM component 13 Using the WebSphere architecture view 14 WebSphere technology stack view 14 OS platform security 14 Java technology security 16 WebSphere security 16 Using the technology stack view 17 Summary 17 Chapter 2: Securing the Administrative Interface 19 Information needed: Planning for security 20 The LDAP and security table 21 Enabling security 23 Setting the domain name 24 Starting at the console 24 Continuing with the global security page 24 Onto the SSO page 25 Setting the SSO domain name 26 Applying and saving your changes 26

3 Configuring the user registry 27 Locating the user registry configuration area 27 Registry type selection 28 LDAP the preferred choice 29 Reviewing the resulting standalone LDAP registry page 29 Defining the WebSphere administrative ID 30 Setting the type of LDAP server 30 Entering the LDAP server parameters 30 Providing the LDAP bind identity parameters 31 Confirming other miscellaneous LDAP server parameters 32 Applying and saving the standalone LDAP configuration 32 Confirming the configuration 33 Enabling the administrative security 33 Locating the administrative security section 34 Performing the administrative security configuration steps 35 Applying and saving your changes 36 Propagating new configuration 36 Logging off from the console 37 Restarting the deployment manager 37 Logging in to the deployment manager console 38 Administrative roles 38 Disabling security 39 Summary 42 Chapter 3: Configuring User Authentication and Access 43 Security domains What is a security domain Scope of security domains Benefits of multiple security domains Limitations of security domains Administrative security domain Configuring security domains based on global security Creating a global security domain clone Creating a security domain using scripting User registry concepts What is a user registry WebSphere use of user repositories Authentication Authorization Supported user registry types Local operating system Standalone LDAP Standalone custom registry Federated repositories Protecting application servers

4 WebSphere environment assumptions 62 Prerequisites 63 Creating an application server 63 Creating a virtual host 63 Creating application JDBC Provider and DataSource 63 Configuring the global security to use the federated user registry 64 Creating a security domain for the application server 64 Configuring user authentication 64 Creating groups 65 Creating users 67 Assigning users to groups 68 Configuring access to resources 69 Testing the secured application server environment 70 Deploying and securing an enterprise application 70 Accessing the secured enterprise application 72 Summary 73 Chapter 4: Front-End Communication Security 75 Front-end enterprise application infrastructure architectures 77 WebSphere horizontal cluster classic architecture 78 WebSphere horizontal cluster using dual-zone architecture 79 WebSphere horizontal cluster using multi-zone architecture 81 SSL configuration and management 82 What is SSL 83 How SSL works 83 Certificates and CAs 84 Securing front-end components communication 86 Securing the IBM HTTP Server 86 Environment assumptions 86 SSL configuration prerequisites 87 Creating the SSL system components 88 Configuring IHS for SSL 92 Summary 97 Chapter 5: Securing Web Applications 99 Securing web applications concepts 99 Developer view of web application security 100 Administrator view of web application security 100 Securing a web application 100 Project objectives 101 Assumptions 101 Prerequisites 102 Enterprise application architecture 102 Application groups 102 Application users 103

5 Application memberships 103 Dynamic web modules 106 Securing a J2EE web application 106 Creating the enterprise application project 106 Creating the dynamic web application projects 108 Configuring dynamic web applications 110 Configuring enterprise applications 116 Adding content to dynamic web applications 118 Packaging an enterprise application 125 Deploying the enterprise application 126 Testing the enterprise application 127 Summary 128 Chapter 6: Securing Enterprise Java Beans Applications 129 EJB application security concepts 130 Declarative security 130 Programmatic security 131 EJB project design 131 EJB application du jour 131 Objective-security 131 Objective-functional 131 Project design-ui aspect 132 Project design-programming component 134 Project design-implementation phase 137 EJB project prerequisites and assumptions 139 Project assumptions 139 Project prerequisites 140 Creating an Enterprise Application Project 141 Creating the project workspace 142 Enterprise application project requirements 142 EAR version 142 Target runtime 142 Creating the enterprise application project 142 Selecting the project EAR version 143 Creating a target runtime 143 Creating the deployment descriptor 143 Creating the portal Dynamic Web Project 144 Creating the portal DWP 144 Defining the DWP context root 144 Creating the DWP deployment descriptor 144 Configuring the portal DWP deployment descriptor 145 Defining the welcome pages suite 145 Adding login information 145 Securing protected URI patterns and HTTP methods 145 Defining application roles 146 Defining the client-server transport type 146

6 Mapping module to virtual host 146 Creating content for the portal DWP 146 Location of files within the project 147 Logical file organization 148 Creating the common HTML files 148 Creating the custom HTML files 150 Creating the JSP files 152 Pagelet selector JSP files 152 Portal home selector JSP files 156 Creating the Servlet PortalHomeSelectorServlet 157 Creating a Java package 157 Creating the Servlet 157 Creating the code for PortalHomeSelectorServlet 157 Package definition and import statements 158 Declaration of class constants and variables 158 HTTP methods 158 Getting parameters 159 Communicating with EJB 159 Forwarding control to another component 160 Creating an EJB project 161 Creating the initial project 161 Creating the Java packages 161 Creating the EJB interfaces 161 Creating IPortalSelectorSessionBean interface 161 Creating the local and remote EJB interfaces 162 Creating the EJB 163 Creating the code for PortalSelectorSessionBean 163 Package definition and import statements 163 Class definition 163 Instance variables 163 Linking to the user context 164 Programmatic security 164 Declarative security 165 The grand finale 166 Packaging the enterprise project as an EAR 166 Deploying the EAR 166 Testing the application 167 Summary 167 Chapter 7: Securing Back-end Communication 169 LDAP: Uses of encryption 171 Securing the LDAP channel 171 Protocol: LDAP and the Internet Protocol Suite 171 The importance of securing the LDAP channel 172 Choices in securing the LDAP channel 173

7 Enabling SSL for LDAP 173 Creating a key ring for storing key stores 174 Creating a trust db for storing trust stores 176 Creating a key store for use with LDAP 176 Creating a trust store to use with LDAP 177 Creating an SSL configuration for LDAP 178 Obtaining the LDAP server SSL certificate 178 Configuring LDAP for SSL 179 JDBC: WebSphere-managed authentication 180 Protocol(s) 180 The JDBC API 181 Connection/Driver Manager and Data Source/JDBC provider 181 The JDBC Application Layer 181 Choices to secure the database channel 182 Examples of securing the JDBC connection 182 Defining a new JDBC provider 184 Defining a new Data Source 185 Summary 186 Chapter 8: Secure Enterprise Infrastructure Architectures 187 The enterprise infrastructure 188 An Enterprise Application in relation to an Application Server 188 WAS infrastructure and EA's application server interactions 190 Securing the enterprise infrastructure using LTPA 192 Why use the LTPA mechanism 193 How the LTPA authentication mechanism works 194 The main use for LTPA in a WebSphere environment 195 Securely enhancing the user experience with SSO 196 Required conditions to implement SSO 197 Implementing SSO in WebSphere 198 Fine-tuning authorization at the HTTP server level 199 Why use an external access management solution 201 How it works 202 What tool to use 203 Configuring the HTTP server to use an external access management solution 207 Fine-tuning authorization at the WAS level 208 When to use TAI 208 Configuring SiteMinder ASA for WebSphere (TAI) 209 Summary 211 Chapter 9: WebSphere Default Installation Hardening 213 Engineering the how and where of an installation 216 Appreciating the importance of location, location, location! 217

8 Customizing the executable files location 217 Customizing the configuration files location 218 Camouflaging the entrance points 221 Understanding why it's important 222 Methodology choices 222 Identifying what needs to be configured 224 Getting started 226 Picking a good attorney 227 Ensuring good housekeeping of an installation 228 Keeping your secrets safe 228 Using key stores and trust stores 228 Storing passwords in configuration files 229 Adding passwords to properties files 230 Summary 232 Chapter 10: Platform Hardening 235 Identifying where to focus 235 Exploring the operating system 237 Appreciating OS interfaces 237 Understanding user accounts 238 Understanding service accounts 239 Using kernel modules 240 Creating the file system 240 Influencing permission and ownership using process execution 241 Running single execution mode 242 Using executables 242 Configuring 243 Setting ownerships and permissions on log files 244 Running multiple execution mode 244 Safeguarding the network system 246 Establishing network connections 247 Communicating from process to process 248 Summary 248 Chapter 11: Security Tuning and Troubleshooting 251 Tuning WebSphere security 251 Tuning general security 252 Tightening security using the administrative connector 252 Disabling security attribute propagation 253 Using unrestricted Java Cryptographic Extensions 254 Tuning CSIv2 connectivity 256 Using Active Authentication Protocol: Set it only to CSI 256 Enforcing client certificates using SSL 256 Enabling stateful sessions 259 Tuning user directories and user permissions 261 Configuring LDAP 261

9 Tuning user authentication 262 Troubleshooting WebSphere security-related issues 267 Troubleshooting general security configuration exceptions 267 Identifying problems with the Deployment Manager node agent communication blues 267 Troubleshooting runtime security exceptions 270 Troubleshooting HTTPS communication between WebSphere Plug-in and Application Server 270 Receiving the message WSVR0009E / ORBX0390E: JVM does not start due to org.omg.corba.internal error 275 Concluding WebSphere security-related tips 277 Using a TAI such as SiteMinder: remove existing interceptors 278 Summary 279 Index 281